{"id":2183,"date":"2025-08-27T17:04:54","date_gmt":"2025-08-27T09:04:54","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&#038;p=2183"},"modified":"2025-08-27T17:04:54","modified_gmt":"2025-08-27T09:04:54","slug":"whole-house-surge-protection-device-pros-and-cons","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/el\/blog\/whole-house-surge-protection-device-pros-and-cons\/","title":{"rendered":"\u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1"},"content":{"rendered":"<h2 data-start=\"225\" data-end=\"284\">\u0395\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae: \u0393\u03b9\u03b1\u03c4\u03af \u03ad\u03c7\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd<\/h2>\r\n<p data-start=\"285\" data-end=\"712\">\u039c\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b9\u03bf \u03ba\u03bf\u03b9\u03bd\u03ad\u03c2 \u03b1\u03bd\u03b7\u03c3\u03c5\u03c7\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b9\u03b4\u03b9\u03bf\u03ba\u03c4\u03ae\u03c4\u03b5\u03c2 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03ad\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03c3\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c4\u03b1\u03c1\u03b1\u03c7\u03ad\u03c2 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2. \u0395\u03bd\u03ce \u03bf\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03ac\u03bd\u03c4\u03b1\u03c1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03cc\u03bb\u03b7\u03c8\u03b7 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03c9\u03bd \u03c5\u03c0\u03b5\u03c1\u03c6\u03cc\u03c1\u03c4\u03c9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c5\u03c1\u03ba\u03b1\u03b3\u03b9\u03ac\u03c2, \u03b4\u03b5\u03bd \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03b5\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2. \u0391\u03c5\u03c4\u03ad\u03c2 \u03bf\u03b9 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u2014\u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03bf\u03cd\u03c2, \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03b3\u03ae \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03ae \u03b1\u03ba\u03cc\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03bf\u03b4\u03b7\u03bb\u03b1\u03c3\u03af\u03b1 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03bf\u03cd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd\u2014\u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03bb\u03ac\u03c8\u03bf\u03c5\u03bd \u03b1\u03b8\u03cc\u03c1\u03c5\u03b2\u03b1 \u03c4\u03b1 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd.<\/p>\r\n<p data-start=\"714\" data-end=\"1020\">\u039c\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd (SPD) \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03ac\u03bc\u03c5\u03bd\u03b1\u03c2 \u03c3\u03c4\u03bf\u03bd \u03ba\u03cd\u03c1\u03b9\u03bf \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2, \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03bf \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03c3\u03c4\u03bf \u03ba\u03c4\u03af\u03c1\u03b9\u03bf. \u0391\u03be\u03af\u03b6\u03b5\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03b7 \u03b5\u03c0\u03ad\u03bd\u03b4\u03c5\u03c3\u03b7; \u0391\u03c2 \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03c4\u03b9\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03b1\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03c0\u03ac\u03c1\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b1\u03c0\u03cc\u03c6\u03b1\u03c3\u03b7.<\/p>\r\n\r\n<h2 data-start=\"714\" data-end=\"1020\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd;<\/h2>\r\n<p data-start=\"363\" data-end=\"813\">\u0397 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd (SPD) \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03bc\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ce\u03bd \u03c3\u03ad\u03c1\u03b2\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03ae \u03ba\u03c4\u03b9\u03c1\u03af\u03bf\u03c5 \u03b1\u03c0\u03cc \u03c0\u03b1\u03c1\u03bf\u03b4\u03b9\u03ba\u03ad\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2. \u03a3\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03bb\u03ad\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b5\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03c5\u03bd \u03bc\u03cc\u03bd\u03bf \u03bb\u03af\u03b3\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2, \u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03b8\u03c9\u03c1\u03b1\u03ba\u03af\u03b6\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03b1\u2014\u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd HVAC, \u03c8\u03c5\u03b3\u03b5\u03af\u03c9\u03bd, \u03c0\u03bb\u03c5\u03bd\u03c4\u03b7\u03c1\u03af\u03c9\u03bd \u03c1\u03bf\u03cd\u03c7\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03bf\u03cd\u03bd \u03c3\u03b5 \u03c0\u03bf\u03bb\u03cd\u03c0\u03c1\u03b9\u03b6\u03b1.<\/p>\r\n<p data-start=\"815\" data-end=\"1198\">\u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/65314\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"828\" data-end=\"844\">IEC 61643-11<\/strong><\/a> \u03ba\u03b1\u03b9 <a href=\"https:\/\/www.nemasurge.org\/ul-1449-transient-voltage-surge-suppressors\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"849\" data-end=\"860\">UL 1449<\/strong><\/a>, \u03c4\u03b1 SPD \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03bc\u03b5 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03c4\u03bf \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03bd \u03c1\u03b5\u03cd\u03bc\u03b1 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c3\u03c4\u03b7 \u03b3\u03b7, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03bf\u03c5\u03bd \u03b5\u03bd\u03c4\u03cc\u03c2 \u03b1\u03c3\u03c6\u03b1\u03bb\u03ce\u03bd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03c9\u03bd \u03c4\u03ac\u03c3\u03b7\u03c2. \u0397 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03b4\u03c1\u03b1 \u03c3\u03b5 \u03bd\u03b1\u03bd\u03bf\u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03b1, \u03c0\u03bf\u03bb\u03cd \u03c0\u03b9\u03bf \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2, \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03cc\u03c3\u03bf \u03c4\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ad\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c6\u03b1\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u201c\u03c3\u03b9\u03c9\u03c0\u03b7\u03bb\u03bf\u03cd \u03b4\u03bf\u03bb\u03bf\u03c6\u03cc\u03bd\u03bf\u03c5\u201d \u03c4\u03c9\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03c9\u03bd \u03bc\u03b9\u03ba\u03c1\u03bf\u03ba\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\r\n\r\n<h3 data-start=\"1200\" data-end=\"1243\">\u03a4\u03cd\u03c0\u03bf\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9<\/h3>\r\n<p data-start=\"1244\" data-end=\"1375\">\u03a4\u03b1 SPD \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03c9\u03bd \u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03b9\u03ce\u03bd \u03c4\u03b1\u03be\u03b9\u03bd\u03bf\u03bc\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03a4\u03cd\u03c0\u03bf\u03c5 1, \u03a4\u03cd\u03c0\u03bf\u03c5 2 \u03ba\u03b1\u03b9 \u03a4\u03cd\u03c0\u03bf\u03c5 3, \u03c4\u03bf \u03ba\u03b1\u03b8\u03ad\u03bd\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2:<\/p>\r\n\r\n<ul data-start=\"1376\" data-end=\"1766\">\r\n \t<li data-start=\"1376\" data-end=\"1490\">\r\n<p data-start=\"1378\" data-end=\"1490\"><strong data-start=\"1378\" data-end=\"1388\">\u03a4\u03cd\u03c0\u03bf\u03c2 1<\/strong>: \u0395\u03b3\u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf \u03c3\u03c4\u03b7\u03bd \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03c3\u03ad\u03c1\u03b2\u03b9\u03c2, \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03bd\u03b1 \u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ac \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03bf\u03cd (\u03ad\u03c9\u03c2 25\u201350 kA).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1491\" data-end=\"1645\">\r\n<p data-start=\"1493\" data-end=\"1645\"><strong data-start=\"1493\" data-end=\"1503\">\u03a4\u03cd\u03c0\u03bf\u03c2 2<\/strong>: \u03a4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03af\u03bd\u03b1\u03ba\u03b5\u03c2 \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2, \u03b7 \u03c0\u03b9\u03bf \u03ba\u03bf\u03b9\u03bd\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03bf\u03b9\u03ba\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2. \u03a7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03ae \u03c4\u03b7\u03bd \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ae \u03bc\u03b5\u03c4\u03b1\u03b3\u03c9\u03b3\u03ae.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1646\" data-end=\"1766\">\r\n<p data-start=\"1648\" data-end=\"1766\"><strong data-start=\"1648\" data-end=\"1658\">\u03a4\u03cd\u03c0\u03bf\u03c2 3<\/strong>: \u0395\u03b3\u03ba\u03b1\u03c4\u03b5\u03c3\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03bf \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03b7\u03bb\u03b5\u03bf\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ad\u03c2 \u03ae \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ad\u03c2, \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03c3\u03c4\u03bf \u03c4\u03b5\u03bb\u03b9\u03ba\u03cc \u03c3\u03c4\u03ac\u03b4\u03b9\u03bf.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"1768\" data-end=\"1957\">\u0393\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c0\u03b9\u03bf \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03b9\u03ce\u03bd SPD, \u03b1\u03bd\u03b1\u03c4\u03c1\u03ad\u03be\u03c4\u03b5 \u03c3\u03c4\u03b7\u03bd \u03b5\u03b9\u03b4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03b9\u03c3\u03c4\u03bf\u03bb\u03bf\u03b3\u03af\u03bf\u03c5 \u03bc\u03b1\u03c2: <strong><em><a class=\"decorated-link\" href=\"https:\/\/www.britecelectric.com\/el\/blog\/types-of-surge-protection-devices\/\" target=\"_blank\" rel=\"noopener\" data-start=\"1848\" data-end=\"1955\">\u03a4\u03cd\u03c0\u03bf\u03b9 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<\/a><\/em><\/strong><\/p>\r\n\r\n<h2 data-start=\"1768\" data-end=\"1957\">\u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ad\u03bd\u03b1 SPD \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd; (\u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b2\u03b1\u03b8\u03b9\u03ac \u03ba\u03b1\u03c4\u03ac\u03b4\u03c5\u03c3\u03b7)<\/h2>\r\n<p data-start=\"2167\" data-end=\"2339\">\u039c\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03c5\u03c1\u03af\u03c9\u03c2 \u03c3\u03b5 \u03b2\u03b1\u03c1\u03af\u03c3\u03c4\u03bf\u03c1 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03bf\u03cd \u03bf\u03be\u03b5\u03b9\u03b4\u03af\u03bf\u03c5 (MOV) \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2 \u03c3\u03b5 \u03c3\u03c9\u03bb\u03ae\u03bd\u03b5\u03c2 \u03b5\u03ba\u03ba\u03ad\u03bd\u03c9\u03c3\u03b7\u03c2 \u03b1\u03b5\u03c1\u03af\u03bf\u03c5 (GDT) \u03ae \u03c3\u03b5 \u03ba\u03b5\u03bd\u03ac \u03c3\u03c0\u03b9\u03bd\u03b8\u03ae\u03c1\u03b1.<\/p>\r\n\r\n<ul data-start=\"2341\" data-end=\"3080\">\r\n \t<li data-start=\"2341\" data-end=\"2668\">\r\n<p data-start=\"2343\" data-end=\"2668\"><strong data-start=\"2343\" data-end=\"2360\">\u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 MOV:<\/strong> \u03a3\u03b5 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03c4\u03ac\u03c3\u03b7 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 (\u03c0.\u03c7. 230 V AC), \u03c4\u03bf MOV \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b1\u03bd \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03cc \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1. \u038c\u03c4\u03b1\u03bd \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03bf\u03b4\u03b9\u03ba\u03cc \u03ba\u03cd\u03bc\u03b1 (\u03c0.\u03c7. 6 kV \u03b1\u03c0\u03cc \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03cc \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03cc), \u03c4\u03bf MOV \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2, \u03c3\u03c5\u03c3\u03c6\u03af\u03b3\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03c3\u03b5 \u03b1\u03c3\u03c6\u03b1\u03bb\u03ad\u03c2 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf (\u03c0.\u03c7. 1,2 kV \u03c5\u03c0\u03bf\u03bb\u03b5\u03b9\u03c0\u03cc\u03bc\u03b5\u03bd\u03bf) \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c3\u03c3\u03b5\u03b9\u03b1 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c3\u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2669\" data-end=\"2904\">\r\n<p data-start=\"2671\" data-end=\"2904\"><strong data-start=\"2671\" data-end=\"2688\">\u039b\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 GDT:<\/strong> \u03a4\u03b1 GDT \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c9\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2. \u03a5\u03c0\u03cc \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b7 \u03b1\u03b3\u03ce\u03b3\u03b9\u03bc\u03b1. \u038c\u03c4\u03b1\u03bd \u03b7 \u03c4\u03ac\u03c3\u03b7 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf \u03ba\u03b1\u03c4\u03ce\u03c6\u03bb\u03b9 \u03c4\u03bf\u03c5\u03c2, \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c4\u03cc\u03be\u03bf \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03c3\u03c9\u03bb\u03ae\u03bd\u03b1, \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03b5\u03ba\u03c6\u03cc\u03c1\u03c4\u03b9\u03c3\u03b7\u03c2 \u03c0\u03bf\u03bb\u03cd \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03b3\u03b7.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2905\" data-end=\"3080\">\r\n<p data-start=\"2907\" data-end=\"3080\"><strong data-start=\"2907\" data-end=\"2930\">\u0394\u03b9\u03b1\u03c1\u03c1\u03bf\u03ae \u0395\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2:<\/strong> \u039f\u03b9 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ce\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03bf\u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 SPD \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf IEC 61643-11 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae 5\u201340 kA \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03c4\u03bf\u03c5\u03c2.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"3082\" data-end=\"3113\">\u03a3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u0395\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2<\/h3>\r\n<p data-start=\"3114\" data-end=\"3168\">\u0393\u03b9\u03b1 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7, \u03c4\u03b1 SPD \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5:<\/p>\r\n\r\n<ul data-start=\"3169\" data-end=\"3509\">\r\n \t<li data-start=\"3169\" data-end=\"3233\">\r\n<p data-start=\"3171\" data-end=\"3233\">\u039c\u03b9\u03ba\u03c1\u03cc \u03bc\u03ae\u03ba\u03bf\u03c2 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03bf\u03c5 (&lt;0,5 m) \u03b3\u03b9\u03b1 \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c5\u03c0\u03bf\u03bb\u03b5\u03b9\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3234\" data-end=\"3299\">\r\n<p data-start=\"3236\" data-end=\"3299\">\u0395\u03c0\u03b1\u03c1\u03ba\u03ad\u03c2 \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03b1\u03b3\u03c9\u03b3\u03bf\u03cd (\u22656 mm\u00b2) \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c0\u03cc\u03bd\u03b7\u03c3\u03b7\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3300\" data-end=\"3429\">\r\n<p data-start=\"3302\" data-end=\"3429\">\u0388\u03bd\u03b1\u03c2 \u03b1\u03c0\u03bf\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03ae \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03b9\u03bf\u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 (SCB) \u03b1\u03bd\u03ac\u03bd\u03c4\u03b7, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03c4\u03bf SPD \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03b5\u03af \u03bc\u03b5 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c0\u03cc\u03bd\u03b7\u03c3\u03b7\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3430\" data-end=\"3509\">\r\n<p data-start=\"3432\" data-end=\"3509\">\u0391\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2 \u226410 \u03a9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ae\u03c2 \u03b5\u03ba\u03c4\u03c1\u03bf\u03c0\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"3511\" data-end=\"3652\">\u0391\u03c5\u03c4\u03ae \u03b7 \u03c0\u03bf\u03bb\u03c5\u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b7 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf SPD \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ce\u03c2 \u03ad\u03bd\u03b1 \u201c\u03ba\u03bf\u03c5\u03c4\u03af \u03c3\u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1\u201d \u03b1\u03bb\u03bb\u03ac \u03ad\u03bd\u03b1 \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03bf\u03b9\u03ba\u03bf\u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2.<\/p>\r\n\r\n<h3 data-start=\"3511\" data-end=\"3652\"><strong data-start=\"2564\" data-end=\"2607\">\u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 &amp; \u03a3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u03bc\u03b5 \u03b1\u03c0\u03bb\u03bf\u03cd\u03c2 \u03cc\u03c1\u03bf\u03c5\u03c2<\/strong><\/h3>\r\n<p data-start=\"3511\" data-end=\"3652\">\u03a4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03c5\u03bc\u03b1\u03c4\u03bf\u03bc\u03bf\u03c1\u03c6\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b5\u03b9\u03bb\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03ba\u03cc\u03c3\u03bc\u03bf\u03c5. \u039f\u03b9 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5 1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf Iimp (10\/350 \u03bcs) \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03be\u03bf\u03bc\u03bf\u03af\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03bf\u03cd \u03c3\u03c4\u03b7\u03bd \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03c4\u03b7\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1\u03c2. \u039f\u03b9 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5 2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd In \/ Imax (8\/20 \u03bcs) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03cd\u03bf\u03c5\u03bd \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2. \u039f\u03b9 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5 3 \u03b5\u03c0\u03b9\u03ba\u03c5\u03c1\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03ba\u03cd\u03bc\u03b1 \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03bf\u03cd (1,2\/50 kV \u2013 8\/20 A) \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b1 \u03c6\u03bf\u03c1\u03c4\u03af\u03b1.<br data-start=\"3007\" data-end=\"3010\" \/>\u03a3\u03b5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 230\/400 V, \u03bf\u03b9 \u03c4\u03c5\u03c0\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 Uc \u03b5\u03af\u03bd\u03b1\u03b9 275 V (L-N\/L-PE). \u0393\u03b9\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ae\u03c2 \u03c6\u03ac\u03c3\u03b7\u03c2 120\/240 V, \u03c4\u03bf Uc \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 150 V (L-N) \/ 300 V (L-L). \u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 Up \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03c3\u03b1\u03c2. \u03b3\u03b9\u03b1 \u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b5\u03c2, \u03bc\u03ad\u03c7\u03c1\u03b9 \u2264 1,5 kV \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03cc\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2.<br data-start=\"3284\" data-end=\"3287\" \/>\u0393\u03b9\u03b1 \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 TN-S\/TT, \u03bc\u03b9\u03b1 \u03c4\u03bf\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 3+1 (MOVs \u03c3\u03c4\u03bf L-N, spark gap \u03c3\u03c4\u03bf N-PE) \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 N-PE \u03ba\u03b1\u03b9 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03c4\u03bf\u03bd \u03c4\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1 \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf. \u039d\u03b1 \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03af\u03b6\u03b5\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c4\u03bf ISCCR \u03c4\u03bf\u03c5 SPD \u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf \u03c1\u03b5\u03cd\u03bc\u03b1 \u03b2\u03c1\u03b1\u03c7\u03c5\u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b5\u03c6\u03b5\u03b4\u03c1\u03b9\u03ba\u03cc \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 MCB\/\u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c4\u03b1\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03b1\u03bd\u03ac\u03bd\u03c4\u03b7.<\/p>\r\n<a href=\"https:\/\/www.britecelectric.com\/el\/attachment\/br-20-4p-1type-2-surge-protection-device-jpg-4\/\" rel=\"attachment wp-att-2184\"><img class=\"alignnone wp-image-2184\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/BR-20-4P-1Type-2-Surge-Protection-Device.jpg-3-1024x1024.webp\" alt=\"\u03a3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd\" width=\"900\" height=\"900\" \/><\/a>\r\n<h2 data-start=\"3511\" data-end=\"3652\">\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd<\/h2>\r\n<h3 data-start=\"3768\" data-end=\"3796\">\u039f\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b7 \u039a\u03ac\u03bb\u03c5\u03c8\u03b7<\/h3>\r\n<p data-start=\"3797\" data-end=\"3943\">\u03a3\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03b2\u03cd\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2, \u03bc\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03b8\u03c9\u03c1\u03b1\u03ba\u03af\u03b6\u03b5\u03b9 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03b5\u03b3\u03ac\u03bb\u03c9\u03bd \u03b5\u03bd\u03c3\u03cd\u03c1\u03bc\u03b1\u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd.<\/p>\r\n\r\n<h3 data-start=\"3945\" data-end=\"3970\">\u03a5\u03c8\u03b7\u03bb\u03ae \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c7\u03b5\u03af\u03bb\u03b9\u03c3\u03b7\u03c2<\/h3>\r\n<p data-start=\"3971\" data-end=\"4082\">\u03a4\u03b1 SPD \u03c4\u03cd\u03c0\u03bf\u03c5 2 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 20\u201340 kA, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03b3\u03b9\u03b1 \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c3\u03c4\u03b1\u03b8\u03ae \u03c0\u03bb\u03ad\u03b3\u03bc\u03b1\u03c4\u03b1.<\/p>\r\n\r\n<h3 data-start=\"4084\" data-end=\"4115\">\u03a3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1<\/h3>\r\n<p data-start=\"4116\" data-end=\"4221\">\u03a3\u03c5\u03bc\u03bc\u03bf\u03c1\u03c6\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 <strong data-start=\"4128\" data-end=\"4144\">IEC 61643-11<\/strong> \u03ba\u03b1\u03b9 <strong data-start=\"4149\" data-end=\"4160\">UL 1449<\/strong>, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b4\u03b9\u03b5\u03b8\u03bd\u03ae \u03ba\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7\u03c2.<\/p>\r\n\r\n<h3 data-start=\"4223\" data-end=\"4244\">\u03a0\u03bf\u03bb\u03c5\u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b7 \u03ac\u03bc\u03c5\u03bd\u03b1<\/h3>\r\n<p data-start=\"4245\" data-end=\"4441\">\u038c\u03c4\u03b1\u03bd \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03a4\u03cd\u03c0\u03bf 1 \u03c3\u03c4\u03b7\u03bd \u03b5\u03af\u03c3\u03bf\u03b4\u03bf \u03c4\u03b7\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03a4\u03cd\u03c0\u03bf 3 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2, \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03b6\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03bf\u03bb\u03c5\u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b7 \u03ac\u03bc\u03c5\u03bd\u03b1 \u03c4\u03cc\u03c3\u03bf \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03ce\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03ce\u03bd \u03bc\u03b9\u03ba\u03c1\u03bf\u03ba\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\r\n\r\n<h3 data-start=\"4443\" data-end=\"4475\">\u03a0\u03b1\u03c1\u03b1\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2<\/h3>\r\n<p data-start=\"4476\" data-end=\"4630\">\u0397 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ae\u03c2 \u03ad\u03ba\u03b8\u03b5\u03c3\u03b7 \u03c3\u03b5 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u2014\u03b1\u03ba\u03cc\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2\u2014 \u03b2\u03bb\u03ac\u03c0\u03c4\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b4\u03b9\u03b1\u03ba\u03ac \u03c4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac. \u03a4\u03b1 SPD \u03c6\u03b9\u03bb\u03c4\u03c1\u03ac\u03c1\u03bf\u03c5\u03bd \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03bd \u03ba\u03af\u03bd\u03b4\u03c5\u03bd\u03bf \u03c0\u03c1\u03cc\u03c9\u03c1\u03b7\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd.<\/p>\r\n\r\n<h3 data-start=\"4632\" data-end=\"4662\">\u0388\u03be\u03c5\u03c0\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7\u03c2<\/h3>\r\n<p data-start=\"4663\" data-end=\"4878\">\u03a4\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf \u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b4\u03b5\u03af\u03ba\u03c4\u03b5\u03c2 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2, \u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03c1\u03b7\u03c4\u03ad\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd (\u03c0.\u03c7. BRSC-01), \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 \u03c3\u03b5 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7\u03c2 \u03ba\u03c4\u03b9\u03c1\u03af\u03bf\u03c5.<\/p>\r\n\r\n<h3 data-start=\"4880\" data-end=\"4903\">\u039c\u03b1\u03ba\u03c1\u03bf\u03c0\u03c1\u03cc\u03b8\u03b5\u03c3\u03bc\u03b7 \u0391\u03c0\u03bf\u03c4\u03b1\u03bc\u03af\u03b5\u03c5\u03c3\u03b7<\/h3>\r\n<p data-start=\"4904\" data-end=\"5035\">\u0397 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 SPD ($500) \u03b5\u03af\u03bd\u03b1\u03b9 \u03c6\u03b8\u03b7\u03bd\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03b7\u03bc\u03ad\u03bd\u03bf\u03c5 HVAC ($5.000)\u00a0\u03ae \u03c4\u03b7\u03bd \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03b7\u03bc\u03ad\u03c1\u03b1\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd (~$10.000\/\u03ce\u03c1\u03b1).<\/p>\r\n\r\n<h3 data-start=\"3632\" data-end=\"4030\"><strong data-start=\"3632\" data-end=\"3671\">\u03a3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7\u03c2<\/strong><\/h3>\r\n<p data-start=\"3632\" data-end=\"4030\">\u0395\u03bd\u03ce \u03bf\u03b9 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03bd\u03ac \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae, \u03c4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf IEC 61643-11 \/ UL 1449 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03be\u03bf\u03c5\u03bd \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bc\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7\u03c2. \u03a3\u03c4\u03b7\u03bd \u03c0\u03c1\u03ac\u03be\u03b7, \u03bf\u03b9 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 AHJ \u03b1\u03bd\u03b1\u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03bb\u03bf \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c4\u03b1 SPD \u03c9\u03c2 \u03bc\u03ad\u03c1\u03bf\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03b9\u03c3\u03c7\u03c5\u03c1\u03bf\u03cd \u03c3\u03c7\u03b5\u03b4\u03af\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2, \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03c3\u03c0\u03af\u03c4\u03b9\u03b1 \u03bc\u03b5 \u03c6\u03bf\u03c1\u03c4\u03b9\u03c3\u03c4\u03ad\u03c2 EV, \u03b1\u03bd\u03c4\u03bb\u03af\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03c6\u03c9\u03c4\u03bf\u03b2\u03bf\u03bb\u03c4\u03b1\u03ca\u03ba\u03bf\u03cd\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03bf\u03c0\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03cc\u03bc\u03b2\u03bf\u03c5\u03c2 \u03ad\u03be\u03c5\u03c0\u03bd\u03c9\u03bd \u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03b9\u03ce\u03bd.<\/p>\r\n<p data-start=\"4032\" data-end=\"4381\"><strong data-start=\"4032\" data-end=\"4071\">\u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1 \u03c3\u03c0\u03af\u03c4\u03b9\u03b1<\/strong><br data-start=\"4071\" data-end=\"4074\" \/>\u03a4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ac \u03c3\u03c0\u03af\u03c4\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03c0\u03bb\u03bf\u03cd\u03c3\u03b9\u03bf \u03c3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03bf\u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03c4\u03ad\u03c2\u2014\u03b5\u03c0\u03b1\u03b3\u03c9\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c3\u03c4\u03af\u03b5\u03c2, HVAC \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2, \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ad\u03c2\/NAS. \u0388\u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03bd\u03bf\u03c7\u03bb\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b2\u03bb\u03ac\u03b2\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03ac\u03c4\u03b9\u03c3\u03c4\u03b5\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03ad\u03c1\u03b2\u03b9\u03c2. \u039f \u03c3\u03c5\u03bd\u03b4\u03c5\u03b1\u03c3\u03bc\u03cc\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03c4\u03cd\u03c0\u03bf\u03c5 2 \u03bc\u03b5 \u03c4\u03bf\u03c0\u03b9\u03ba\u03ad\u03c2 \u03bb\u03c9\u03c1\u03af\u03b4\u03b5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5 3 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc AV\/IT \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2.<\/p>\r\n\r\n<h2 data-start=\"5042\" data-end=\"5094\">\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd<\/h2>\r\n<h3 data-start=\"5136\" data-end=\"5167\">\u0391\u03c1\u03c7\u03b9\u03ba\u03cc \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2<\/h3>\r\n<p data-start=\"5168\" data-end=\"5262\">\u03a3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bb\u03cc\u03b3\u03c9\u03bd, \u03c4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc $200\u2013$700.<\/p>\r\n\r\n<h3 data-start=\"5264\" data-end=\"5304\">\u0391\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7<\/h3>\r\n<p data-start=\"5305\" data-end=\"5417\">\u03a3\u03b5 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b5\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2, \u03c4\u03b1 SPD \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae\u03c2 \u03b1\u03c0\u03cc \u03b5\u03be\u03bf\u03c5\u03c3\u03b9\u03bf\u03b4\u03bf\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bb\u03cc\u03b3\u03bf.<\/p>\r\n\r\n<h3 data-start=\"5419\" data-end=\"5441\">\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03b6\u03c9\u03ae\u03c2<\/h3>\r\n<p data-start=\"5442\" data-end=\"5595\">\u03a4\u03b1 \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 MOV \u03c5\u03c0\u03bf\u03b2\u03b1\u03b8\u03bc\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03ac\u03c1\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5, \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ac \u03c3\u03c5\u03bc\u03b2\u03ac\u03bd\u03c4\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd. \u03a7\u03c9\u03c1\u03af\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7, \u03c4\u03bf SPD \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03cc \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1.<\/p>\r\n\r\n<h3 data-start=\"5597\" data-end=\"5633\">\u0395\u03be\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2<\/h3>\r\n<p data-start=\"5634\" data-end=\"5759\">\u0397 \u03ba\u03b1\u03ba\u03ae \u03b3\u03b5\u03af\u03c9\u03c3\u03b7 (\u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2 &gt;10 \u03a9) \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03c4\u03bf SPD \u03b1\u03bd\u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc. \u03a0\u03bf\u03bb\u03bb\u03ac \u03c0\u03b1\u03bb\u03b9\u03ac \u03c3\u03c0\u03af\u03c4\u03b9\u03b1 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b1\u03bd\u03b1\u03b2\u03b1\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7.<\/p>\r\n\r\n<h3 data-start=\"5761\" data-end=\"5790\">\u0394\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b7 \u03bb\u03cd\u03c3\u03b7<\/h3>\r\n<p data-start=\"5791\" data-end=\"6032\">\u03a4\u03b1 SPD \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03bc\u03b5\u03c4\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c4\u03c1\u03ad\u03c8\u03bf\u03c5\u03bd \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03bf\u03cd\u03c2, \u03bc\u03b1\u03ba\u03c1\u03bf\u03c7\u03c1\u03cc\u03bd\u03b9\u03b5\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03c3\u03b7\u03c2. \u0393\u03b9\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2, \u03b1\u03bb\u03b5\u03be\u03b9\u03ba\u03ad\u03c1\u03b1\u03c5\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2.<\/p>\r\n\r\n<h3 data-start=\"4414\" data-end=\"4672\"><strong data-start=\"4414\" data-end=\"4445\">\u03a3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u03bc\u03b5 GFCI\/AFCI<\/strong><\/h3>\r\n<p data-start=\"4414\" data-end=\"4672\">\u03a4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b1\u03c4\u03b9\u03ba\u03ac \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03b7 \u03b4\u03b9\u03b1\u03c1\u03c1\u03bf\u03ae \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03b1\u03c3\u03b9\u03b1\u03ba\u03ac \u03bd\u03b1 \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03b9\u03b4\u03c1\u03ac\u03c3\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 GFCI\/AFCI. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae SPD, \u03b7 \u03c3\u03cd\u03bd\u03c4\u03bf\u03bc\u03b7 \u03b4\u03c1\u03bf\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03b1\u03c0\u03b1\u03b3\u03c9\u03b3\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ce\u03bc\u03b5\u03bd\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03b1\u03bd\u03ac\u03bd\u03c4\u03b7 \u03c3\u03c5\u03bc\u03b2\u03ac\u03bb\u03bb\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03ce\u03bd \u03cc\u03c7\u03bb\u03b7\u03c3\u03b7\u03c2.<\/p>\r\n\r\n<h3 data-start=\"4674\" data-end=\"4974\"><strong data-start=\"4674\" data-end=\"4710\">\u0393\u03ae\u03c1\u03b1\u03bd\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7<\/strong><\/h3>\r\n<p data-start=\"4674\" data-end=\"4974\">\u03a4\u03b1 MOV \u03b3\u03b5\u03c1\u03bd\u03bf\u03cd\u03bd \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ac. \u03a7\u03c9\u03c1\u03af\u03c2 \u03bc\u03b5\u03c4\u03c1\u03b7\u03c4\u03ad\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7, \u03ad\u03bd\u03b1 SPD \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u201c\u03b6\u03c9\u03bd\u03c4\u03b1\u03bd\u03cc\u201d \u03b1\u03bb\u03bb\u03ac \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ac \u03b5\u03be\u03b1\u03bd\u03c4\u03bb\u03b7\u03bc\u03ad\u03bd\u03bf. \u03a3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c0\u03c1\u03bf\u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bc\u03b2\u03ac\u03bd\u03c4\u03c9\u03bd, \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03bf\u03b4\u03b7\u03b3\u03af\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae\u2014\u03cc\u03c7\u03b9 \u03bc\u03cc\u03bd\u03bf \u03c3\u03b5 \u03bf\u03c1\u03b1\u03c4\u03ad\u03c2 \u03c3\u03b7\u03bc\u03b1\u03af\u03b5\u03c2.<\/p>\r\n\r\n<h2 data-start=\"5129\" data-end=\"5168\">\u03a3\u03c5\u03bd\u03ae\u03b8\u03b5\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bd\u03bf\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03ac\u03b8\u03b7<\/h2>\r\n<ul data-start=\"5170\" data-end=\"5765\">\r\n \t<li data-start=\"5170\" data-end=\"5299\">\r\n<p data-start=\"5172\" data-end=\"5299\"><strong data-start=\"5172\" data-end=\"5213\">\u201c\u039f \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b7\u03c2 \u03bc\u03bf\u03c5 \u03bc\u03b5 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2\u201d.\u201d<\/strong><br data-start=\"5213\" data-end=\"5216\" \/>False\u2014\u03bf\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03bf\u03c5\u03bd \u03c1\u03b5\u03cd\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c4\u03ac\u03c3\u03b7. \u039f\u03b9 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03b5\u03c1\u03ac\u03c3\u03bf\u03c5\u03bd \u03b1\u03c0\u03b1\u03c1\u03b1\u03c4\u03ae\u03c1\u03b7\u03c4\u03b5\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5301\" data-end=\"5405\">\r\n<p data-start=\"5303\" data-end=\"5405\"><strong data-start=\"5303\" data-end=\"5330\">\u201c\u0388\u03bd\u03b1 SPD \u03b4\u03b9\u03b1\u03c1\u03ba\u03b5\u03af \u03b3\u03b9\u03b1 \u03c0\u03ac\u03bd\u03c4\u03b1\u201d.\u201d<\/strong><br data-start=\"5330\" data-end=\"5333\" \/>\u039b\u03ac\u03b8\u03bf\u03c2\u2014\u03a4\u03b1 MOV \u03c6\u03b8\u03b5\u03af\u03c1\u03bf\u03bd\u03c4\u03b1\u03b9. \u03a7\u03c9\u03c1\u03af\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7, \u03c4\u03bf SPD \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9 \u03c3\u03b9\u03c9\u03c0\u03b7\u03bb\u03ac.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5407\" data-end=\"5526\">\r\n<p data-start=\"5409\" data-end=\"5526\"><strong data-start=\"5409\" data-end=\"5439\">\u201c\u0388\u03bd\u03b1 \u03c0\u03bf\u03bb\u03cd\u03c0\u03c1\u03b9\u03b6\u03bf \u03b1\u03c1\u03ba\u03b5\u03af\u201d.\u201d<\/strong><br data-start=\"5439\" data-end=\"5442\" \/>\u03a0\u03b1\u03c1\u03b1\u03c0\u03bb\u03b1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u2014\u03c4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03b2\u03cd\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b4\u03b5\u03bd \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03c6\u03bf\u03c1\u03c4\u03af\u03b1 \u03bc\u03b5 \u03c3\u03c5\u03c1\u03bc\u03b1\u03c4\u03cc\u03c3\u03c7\u03bf\u03b9\u03bd\u03bf \u03ae \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03bf\u03b9\u03ba\u03af\u03b1\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5528\" data-end=\"5647\">\r\n<p data-start=\"5530\" data-end=\"5647\"><strong data-start=\"5530\" data-end=\"5565\">\u201c\u03a4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03c3\u03b7\u03c2 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1.\u201d<\/strong><br data-start=\"5565\" data-end=\"5568\" \/>\u039b\u03ac\u03b8\u03bf\u03c2\u2014\u03bf\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03b1\u03b3\u03c9\u03b3\u03ad\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c5\u03c0\u03bf\u03bb\u03b5\u03b9\u03c0\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c4\u03ac\u03c3\u03b7 (Up), \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5649\" data-end=\"5765\">\r\n<p data-start=\"5651\" data-end=\"5765\"><strong data-start=\"5651\" data-end=\"5680\">\u201c\u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03ad\u03bd\u03b1 SPD\u201d.\u201d<\/strong><br data-start=\"5680\" data-end=\"5683\" \/>\u0397\u03bc\u03b9\u03c4\u03b5\u03bb\u03ae\u03c2\u2014\u03b7 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03bf\u03bb\u03c5\u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 (\u03a4\u03cd\u03c0\u03bf\u03c2 1 + \u03a4\u03cd\u03c0\u03bf\u03c2 2 + \u03a4\u03cd\u03c0\u03bf\u03c2 3).<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"5772\" data-end=\"5813\">\u03a3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u0394\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u039a\u03cd\u03ba\u03bb\u03bf\u03c5 \u0396\u03c9\u03ae\u03c2<\/h2>\r\n<h3 data-start=\"5815\" data-end=\"5847\">\u0393\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7\u03c2 (SPD)<\/h3>\r\n<ul data-start=\"5848\" data-end=\"6292\">\r\n \t<li data-start=\"5848\" data-end=\"5934\">\r\n<p data-start=\"5850\" data-end=\"5934\">\u039f\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2: \u0395\u03bb\u03ad\u03b3\u03c7\u03b5\u03c4\u03b5 \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03b8\u03c5\u03c1\u03bf \u03ad\u03bd\u03b4\u03b5\u03b9\u03be\u03b7\u03c2 (\u03c0\u03c1\u03ac\u03c3\u03b9\u03bd\u03bf = \u039f\u039a, \u03ba\u03cc\u03ba\u03ba\u03b9\u03bd\u03bf = \u03b1\u03c0\u03bf\u03c4\u03c5\u03c7\u03af\u03b1).<\/p>\r\n<\/li>\r\n \t<li data-start=\"5935\" data-end=\"6039\">\r\n<p data-start=\"5937\" data-end=\"6039\">\u0391\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7: \u0393\u03b9\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 SPD \u03bc\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ad\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03b7 \u03c3\u03c4\u03bf BMS.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6040\" data-end=\"6130\">\r\n<p data-start=\"6042\" data-end=\"6130\">\u039c\u03b5\u03c4\u03c1\u03b7\u03c4\u03ad\u03c2 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd: \u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03c3\u03c5\u03bc\u03b2\u03ac\u03bd\u03c4\u03b1 \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd (\u03c0.\u03c7. \u03bc\u03b5 BRSC-01) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ad\u03c8\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03b6\u03c9\u03ae\u03c2 \u03c4\u03bf\u03c5\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6131\" data-end=\"6204\">\r\n<p data-start=\"6133\" data-end=\"6204\">\u0391\u03c1\u03b8\u03c1\u03c9\u03c4\u03ae \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7: \u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03bf\u03c7\u03b5\u03af\u03b1 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b5\u03c0\u03b1\u03bd\u03b1\u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03c3\u03b7.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6205\" data-end=\"6292\">\r\n<p data-start=\"6207\" data-end=\"6292\">\u0395\u03c4\u03ae\u03c3\u03b9\u03bf\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2: \u0395\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b3\u03b5\u03af\u03c9\u03c3\u03b7\u03c2 \u2264 10 \u03a9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b7 \u03b5\u03ba\u03c4\u03c1\u03bf\u03c0\u03ae \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"6294\" data-end=\"6342\">\u0393\u03b9\u03b1 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 (\u03c3\u03b5 \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc SPD)<\/h3>\r\n<ul data-start=\"6343\" data-end=\"6538\">\r\n \t<li data-start=\"6343\" data-end=\"6396\">\r\n<p data-start=\"6345\" data-end=\"6396\">\u03a0\u03b5\u03c1\u03b9\u03bf\u03b4\u03b9\u03ba\u03cc\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2: \u0394\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7\u03c2 \u03c4\u03b1\u03be\u03b9\u03b4\u03b9\u03bf\u03cd.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6397\" data-end=\"6465\">\r\n<p data-start=\"6399\" data-end=\"6465\">\u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7: \u0395\u03ac\u03bd \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03c6\u03b8\u03bf\u03c1\u03ac \u03ae \u03b5\u03bd\u03cc\u03c7\u03bb\u03b7\u03c3\u03b7.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6466\" data-end=\"6538\">\r\n<p data-start=\"6468\" data-end=\"6538\">\u0395\u03c4\u03ae\u03c3\u03b9\u03bf\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7\u03c2: \u0395\u03b9\u03b4\u03b9\u03ba\u03ac \u03c3\u03b5 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ac \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2>\u039a\u03cc\u03c3\u03c4\u03bf\u03c2 \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u0391\u03be\u03af\u03b1\u03c2: \u0391\u03be\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03cc\u03c0\u03bf;<\/h2>\r\n<p data-start=\"6111\" data-end=\"6278\">\u03a9\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bb\u03cc\u03b3\u03bf\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03cc\u03c2, \u03bc\u03b5 \u03c1\u03c9\u03c4\u03bf\u03cd\u03bd \u03c3\u03c5\u03c7\u03bd\u03ac: <em data-start=\"6157\" data-end=\"6222\">\u201c\u0391\u03be\u03af\u03b6\u03b5\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03ad\u03bd\u03b4\u03c5\u03c3\u03b7 \u03bc\u03b9\u03b1 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd;\u201d<\/em> \u0397 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03ae \u03bc\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9: \u03b1\u03c0\u03bf\u03bb\u03cd\u03c4\u03c9\u03c2\u2014\u03b1\u03bd \u03b5\u03ba\u03c4\u03b9\u03bc\u03ac\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03c3\u03b1\u03c2.<\/p>\r\n\r\n<ul data-start=\"6280\" data-end=\"6760\">\r\n \t<li data-start=\"6280\" data-end=\"6468\">\r\n<p data-start=\"6282\" data-end=\"6468\"><strong data-start=\"6282\" data-end=\"6303\">\u039a\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b5\u03c2<\/strong>: \u0397 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b9\u03bc\u03ae \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ce\u03bd \u03be\u03b5\u03c0\u03b5\u03c1\u03bd\u03ac \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03c4\u03bf $10.000. \u039c\u03b9\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd $500 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03bb\u03ac\u03c3\u03bc\u03b1 \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03ba\u03cc\u03c3\u03c4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6469\" data-end=\"6619\">\r\n<p data-start=\"6471\" data-end=\"6619\"><strong data-start=\"6471\" data-end=\"6496\">\u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u0395\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong>: \u0388\u03bd\u03b1 \u03bc\u03cc\u03bd\u03bf \u03ba\u03cd\u03bc\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bb\u03ac\u03c8\u03b5\u03b9 PLC, \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5 \u03ae \u03b5\u03bb\u03b5\u03b3\u03ba\u03c4\u03ad\u03c2 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd, \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2. \u0395\u03b4\u03ce, \u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03b5\u03c0\u03ad\u03bd\u03b4\u03c5\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b7.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6620\" data-end=\"6760\">\r\n<p data-start=\"6622\" data-end=\"6760\"><strong data-start=\"6622\" data-end=\"6648\">\u039a\u03ad\u03bd\u03c4\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03b1<\/strong>: \u03a4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b5\u03af \u03c4\u03bf $10.000 \u03b1\u03bd\u03ac \u03ce\u03c1\u03b1. \u0388\u03bd\u03b1 SPD \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03be\u03bf\u03b4\u03bf, \u03b1\u03bb\u03bb\u03ac \u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7\u03c2.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<table>\r\n<thead>\r\n<tr>\r\n<th><strong>\u03a3\u03b5\u03bd\u03ac\u03c1\u03b9\u03bf \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2<\/strong><\/th>\r\n<th><strong>\u03a4\u03c5\u03c0\u03b9\u03ba\u03cc\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c2 SPD<\/strong><\/th>\r\n<th><strong>\u0395\u03ba\u03c4\u03b9\u03bc\u03ce\u03bc\u03b5\u03bd\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 (\u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ae + \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7)<\/strong><\/th>\r\n<th><strong>\u0391\u03be\u03af\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03b4\u03cc\u03b8\u03b7\u03ba\u03b5<\/strong><\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td><strong>\u039a\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b5\u03c2<\/strong><\/td>\r\n<td>\u03a4\u03cd\u03c0\u03bf\u03c2 2 (\u03bc\u03b5 \u03c0\u03c1\u03bf\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b1\u03b9\u03bd\u03af\u03b5\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5 3)<\/td>\r\n<td>$200 \u2013 $700<\/td>\r\n<td>\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 \u03cc\u03bb\u03b5\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 (\u03c4\u03b7\u03bb\u03b5\u03bf\u03c1\u03ac\u03c3\u03b5\u03b9\u03c2, HVAC, \u03c8\u03c5\u03b3\u03b5\u03af\u03b1, \u03c6\u03bf\u03c1\u03c4\u03b9\u03c3\u03c4\u03ad\u03c2 EV, \u03b4\u03b9\u03b1\u03bd\u03bf\u03bc\u03b5\u03af\u03c2 smart-home). \u0391\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ad\u03c2 \u03b4\u03b1\u03c0\u03ac\u03bd\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 $10.000+.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>\u0391\u03bb\u03b5\u03be\u03b9\u03ba\u03ad\u03c1\u03b1\u03c5\u03bd\u03b5\u03c2 \u03a0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2<\/strong><\/td>\r\n<td>\u03a4\u03cd\u03c0\u03bf\u03c2 1 + \u03a4\u03cd\u03c0\u03bf\u03c2 2 \u03bc\u03b5 \u03c3\u03c4\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2<\/td>\r\n<td>$400 \u2013 $1.200<\/td>\r\n<td>\u03a7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c3\u03c4\u03c1\u03b1\u03c0\u03b9\u03b1\u03af\u03b1 \u03c1\u03b5\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2. \u039c\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b5\u03c2 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03c3\u03b7\u03c2, \u03c0\u03ac\u03bd\u03b5\u03bb \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03c9\u03bd \u03c6\u03bf\u03c1\u03c4\u03af\u03c9\u03bd.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>\u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u0395\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong><\/td>\r\n<td>\u03a4\u03cd\u03c0\u03bf\u03c2 1 + \u03a4\u03cd\u03c0\u03bf\u03c2 2 + \u03a4\u03cd\u03c0\u03bf\u03c2 3 \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c2<\/td>\r\n<td>$1.000 \u2013 $5.000+<\/td>\r\n<td>\u0391\u03c0\u03bf\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 \u03c3\u03b5 PLC, \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03b4\u03af\u03c3\u03ba\u03bf\u03c5. ROI \u03ac\u03bc\u03b5\u03c3\u03b7 \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c7\u03b9\u03bb\u03b9\u03ac\u03b4\u03b5\u03c2 \u03c7\u03b1\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03bd\u03ac \u03ce\u03c1\u03b1 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>\u039a\u03ad\u03bd\u03c4\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03b1<\/strong><\/td>\r\n<td>\u03a4\u03cd\u03c0\u03bf\u03c2 2 \u03b1\u03bd\u03ac\u03bd\u03c4\u03b7 UPS + \u03a4\u03cd\u03c0\u03bf\u03c2 3 \u03ba\u03bf\u03bd\u03c4\u03ac \u03c3\u03b5 \u03b4\u03b9\u03b1\u03ba\u03bf\u03bc\u03b9\u03c3\u03c4\u03ad\u03c2<\/td>\r\n<td>$1.500 \u2013 $5.000+<\/td>\r\n<td>\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2. \u0391\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03b5\u03b9 \u03c7\u03c1\u03cc\u03bd\u03bf \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 $10.000+\/\u03ce\u03c1\u03b1. \u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>\u03a3\u03c5\u03bc\u03c0\u03b1\u03b3\u03b5\u03af\u03c2\/\u039c\u03b5\u03c4\u03b1\u03b3\u03b5\u03bd\u03ad\u03c3\u03c4\u03b5\u03c1\u03b5\u03c2 \u0395\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong><\/td>\r\n<td>\u0395\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b1 \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03b9\u03ce\u03bd SPD + (\u03c0.\u03c7. BR-30FU)<\/td>\r\n<td>$200 \u2013 $500<\/td>\r\n<td>\u039f\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae \u03bb\u03cd\u03c3\u03b7 \u03cc\u03c0\u03bf\u03c5 \u03bf \u03c7\u03ce\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03ac\u03bd\u03b5\u03bb \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c2. \u03a0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c0\u03b5\u03c1\u03af\u03c0\u03bb\u03bf\u03ba\u03b7 \u03b5\u03c0\u03b1\u03bd\u03b1\u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03c3\u03b7.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<p data-start=\"6762\" data-end=\"6872\"><strong data-start=\"6762\" data-end=\"6777\">\u03a3\u03cd\u03bd\u03b1\u03c8\u03b7:<\/strong> \u03a4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5\u03c2 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b7 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03c5\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\r\n\r\n<h2 data-start=\"6958\" data-end=\"7012\">\u03a0\u03bf\u03b9\u03bf \u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5; (\u0395\u03be\u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1)<\/h2>\r\n<ul data-start=\"7014\" data-end=\"7370\">\r\n \t<li data-start=\"7014\" data-end=\"7106\">\r\n<p data-start=\"7016\" data-end=\"7106\"><strong data-start=\"7016\" data-end=\"7025\">\u03a3\u03c0\u03af\u03c4\u03b9\u03b1<\/strong>: \u03a4\u03cd\u03c0\u03bf\u03c2 2 SPD \u03c3\u03c4\u03bf\u03bd \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 + \u03a0\u03bf\u03bb\u03cd\u03c0\u03c1\u03b9\u03b6\u03b1 \u03c4\u03cd\u03c0\u03bf\u03c5 3 \u03b3\u03b9\u03b1 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b1 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac.<\/p>\r\n<\/li>\r\n \t<li data-start=\"7107\" data-end=\"7187\">\r\n<p data-start=\"7109\" data-end=\"7187\"><strong data-start=\"7109\" data-end=\"7148\">\u03a0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03c5\u03c8\u03b7\u03bb\u03bf\u03cd \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5 (\u03b5\u03c0\u03b9\u03c1\u03c1\u03b5\u03c0\u03b5\u03af\u03c2 \u03c3\u03b5 \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03bf\u03cd\u03c2)<\/strong>: \u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03c3\u03c4\u03c1\u03ce\u03c3\u03b5\u03c9\u03bd \u03a4\u03cd\u03c0\u03bf\u03c5 1 + \u03a4\u03cd\u03c0\u03bf\u03c5 2.<\/p>\r\n<\/li>\r\n \t<li data-start=\"7188\" data-end=\"7263\">\r\n<p data-start=\"7190\" data-end=\"7263\"><strong data-start=\"7190\" data-end=\"7230\">\u0392\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03ad\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong>: \u03a3\u03c5\u03bd\u03c4\u03bf\u03bd\u03b9\u03c3\u03bc\u03cc\u03c2 \u03a0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03a4\u03cd\u03c0\u03bf\u03c5 1+2+3.<\/p>\r\n<\/li>\r\n \t<li data-start=\"7264\" data-end=\"7370\">\r\n<p data-start=\"7266\" data-end=\"7370\"><strong data-start=\"7266\" data-end=\"7291\">\u03a3\u03c5\u03bc\u03c0\u03b1\u03b3\u03b5\u03af\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2<\/strong>: \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b1 \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03b9\u03ce\u03bd SPD + (\u03c0.\u03c7. BR-30FU) \u03b3\u03b9\u03b1 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03b9\u03c2.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"7372\" data-end=\"7517\"><strong data-start=\"7372\" data-end=\"7388\">\u039a\u03b1\u03c4\u03ce\u03c4\u03b1\u03c4\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae:<\/strong> \u039f\u03b9 \u03b4\u03b9\u03b1\u03ba\u03cc\u03c0\u03c4\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5\u03c2 \u03c0\u03c5\u03c1\u03ba\u03b1\u03b3\u03b9\u03ac\u03c2. \u03a4\u03b1 SPD \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03b6\u03b7\u03bc\u03b9\u03ad\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2. \u0393\u03b9\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1, \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf.<\/p>\r\n\r\n<h2 data-start=\"7524\" data-end=\"7543\">\u03a4\u03b5\u03bb\u03b9\u03ba\u03ad\u03c2 \u03a3\u03ba\u03ad\u03c8\u03b5\u03b9\u03c2<\/h2>\r\n<p data-start=\"7544\" data-end=\"7814\">\u039f\u03b9 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bf\u03bb\u03cc\u03ba\u03bb\u03b7\u03c1\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c0\u03b9\u03c4\u03b9\u03bf\u03cd \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bf\u03bb\u03c5\u03c4\u03ad\u03bb\u03b5\u03b9\u03b5\u03c2 - \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03b6\u03c9\u03c4\u03b9\u03ba\u03cc \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b7\u03c2 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 <a href=\"https:\/\/iec.ch\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"7671\" data-end=\"7688\">\u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 IEC<\/strong><\/a>, \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03bd \u03c3\u03c9\u03c3\u03c4\u03cc \u03c4\u03cd\u03c0\u03bf SPD \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03c3\u03b5\u03c4\u03b5 \u03c4\u03cc\u03c3\u03bf \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03bf\u03c5\u03c2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c5\u03c3\u03af\u03b5\u03c2.<\/p>\r\n<p data-start=\"7816\" data-end=\"8105\">\u03a4\u03b1 SPD \u03c4\u03b7\u03c2 \u03c3\u03b5\u03b9\u03c1\u03ac\u03c2 SLP \u03ba\u03b1\u03b9 BR \u03c4\u03b7\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b1\u03c2 \u03bc\u03b1\u03c2, \u03c3\u03c5\u03bc\u03b2\u03b1\u03c4\u03ac \u03bc\u03b5 \u03c4\u03bf IEC 61643-11, \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03bc\u03b5 \u03b1\u03c1\u03b8\u03c1\u03c9\u03c4\u03ac \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1, \u03b5\u03cd\u03ba\u03bf\u03bb\u03b7 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7\u03c2. \u0395\u03af\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03bf\u03b9\u03ba\u03b9\u03b1\u03ba\u03ae \u03b5\u03af\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03b2\u03b9\u03bf\u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03c7\u03c1\u03ae\u03c3\u03b7, \u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b1\u03ba\u03c1\u03bf\u03c0\u03c1\u03cc\u03b8\u03b5\u03c3\u03bc\u03b7 \u03b7\u03c1\u03b5\u03bc\u03af\u03b1.<\/p>","protected":false},"featured_media":2177,"parent":0,"menu_order":121,"template":"","meta":{"_acf_changed":false},"blog_category":[8],"class_list":["post-2183","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-company-news"],"acf":{"des":"A whole house surge protection device (SPD) safeguards your entire home or facility from damaging voltage surges. This guide explains how SPDs work, their advantages and limitations, installation requirements, and cost vs value analysis. Backed by IEC standards and real-world engineering practice, it shows why SPDs are essential for modern electrical safety.","txt":"<h2 data-start=\"225\" data-end=\"284\">Introduction: Why Whole House Surge Protection Matters<\/h2>\r\n<p data-start=\"285\" data-end=\"712\">One of the most common concerns for homeowners and facility managers is how to protect valuable electrical systems from power disturbances. While circuit breakers are standard for preventing overload and fire risks, they do not stop dangerous voltage surges. These surges\u2014caused by lightning, grid switching, or even internal equipment cycling\u2014can silently damage sensitive electronics and shorten the lifespan of appliances.<\/p>\r\n<p data-start=\"714\" data-end=\"1020\">A whole house surge protection device (SPD) offers a line of defense at the main distribution panel, protecting every connected load in the building. But is it worth the investment? Let\u2019s explore the pros and cons, technical details, and practical use cases to help you make an informed decision.<\/p>\r\n\r\n<h2 data-start=\"714\" data-end=\"1020\">What Is a Whole House Surge Protection Device?<\/h2>\r\n<p data-start=\"363\" data-end=\"813\">A Whole House Surge Protection Device (SPD) is a protective component installed at the electrical service panel to safeguard an entire home or building against transient overvoltages. Unlike simple outlet strips, which only protect a handful of devices, a whole house surge protector shields all circuits\u2014including HVAC systems, refrigerators, washing machines, and embedded electronics that cannot be plugged into power strips.<\/p>\r\n<p data-start=\"815\" data-end=\"1198\">According to <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/65314\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"828\" data-end=\"844\">IEC 61643-11<\/strong><\/a> and <a href=\"https:\/\/www.nemasurge.org\/ul-1449-transient-voltage-surge-suppressors\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"849\" data-end=\"860\">UL 1449<\/strong><\/a>, whole house SPDs are designed to limit surge voltages and safely divert the resulting surge current to earth, ensuring connected loads remain within safe voltage levels. The device acts in nanoseconds, far faster than circuit breakers, and prevents both catastrophic failures and the \u201csilent killer\u201d effect of repetitive micro-surges.<\/p>\r\n\r\n<h3 data-start=\"1200\" data-end=\"1243\">Types of Whole House Surge Protectors<\/h3>\r\n<p data-start=\"1244\" data-end=\"1375\">Whole house SPDs are classified into Type 1, Type 2, and Type 3, each installed at different points of the electrical system:<\/p>\r\n\r\n<ul data-start=\"1376\" data-end=\"1766\">\r\n \t<li data-start=\"1376\" data-end=\"1490\">\r\n<p data-start=\"1378\" data-end=\"1490\"><strong data-start=\"1378\" data-end=\"1388\">Type 1<\/strong>: Installed at the service entrance, designed to handle partial lightning currents (up to 25\u201350 kA).<\/p>\r\n<\/li>\r\n \t<li data-start=\"1491\" data-end=\"1645\">\r\n<p data-start=\"1493\" data-end=\"1645\"><strong data-start=\"1493\" data-end=\"1503\">Type 2<\/strong>: Installed at distribution boards, the most common choice for residential applications. Handles surges from the grid or internal switching.<\/p>\r\n<\/li>\r\n \t<li data-start=\"1646\" data-end=\"1766\">\r\n<p data-start=\"1648\" data-end=\"1766\"><strong data-start=\"1648\" data-end=\"1658\">Type 3<\/strong>: Installed near sensitive equipment, such as TVs, computers, or servers, offering final-stage protection.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"1768\" data-end=\"1957\">For a more detailed breakdown of SPD categories, see our dedicated blog post: <strong><em><a class=\"decorated-link\" href=\"https:\/\/www.britecelectric.com\/blog\/types-of-surge-protection-devices\/\" target=\"_blank\" rel=\"noopener\" data-start=\"1848\" data-end=\"1955\">Types of Surge Protection Devices.<\/a><\/em><\/strong><\/p>\r\n\r\n<h2 data-start=\"1768\" data-end=\"1957\">How Does a Whole House SPD Work? (Technical Deep Dive)<\/h2>\r\n<p data-start=\"2167\" data-end=\"2339\">A Whole House Surge Protection Device relies primarily on Metal Oxide Varistors (MOVs) and sometimes Gas Discharge Tubes (GDTs) or spark gaps.<\/p>\r\n\r\n<ul data-start=\"2341\" data-end=\"3080\">\r\n \t<li data-start=\"2341\" data-end=\"2668\">\r\n<p data-start=\"2343\" data-end=\"2668\"><strong data-start=\"2343\" data-end=\"2360\">MOV Function:<\/strong> At normal grid voltage (e.g. 230 V AC), the MOV behaves like an open circuit. When a transient surge occurs (e.g. 6 kV from a nearby lightning strike), the MOV instantly changes to a low-resistance path, clamping the voltage to a safe level (e.g. 1.2 kV residual) and shunting excess energy to the ground.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2669\" data-end=\"2904\">\r\n<p data-start=\"2671\" data-end=\"2904\"><strong data-start=\"2671\" data-end=\"2688\">GDT Function:<\/strong> GDTs act as high-speed switches. Under normal conditions, they are non-conductive; when surge voltage exceeds their threshold, an arc forms inside the tube, providing a very low-resistance discharge path to earth.<\/p>\r\n<\/li>\r\n \t<li data-start=\"2905\" data-end=\"3080\">\r\n<p data-start=\"2907\" data-end=\"3080\"><strong data-start=\"2907\" data-end=\"2930\">Energy Dissipation:<\/strong> Surges are measured in microseconds, and SPDs are designed per IEC 61643-11 to withstand currents in the 5\u201340 kA range depending on their type.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"3082\" data-end=\"3113\">Installation Coordination<\/h3>\r\n<p data-start=\"3114\" data-end=\"3168\">For maximum efficiency, SPDs must be installed with:<\/p>\r\n\r\n<ul data-start=\"3169\" data-end=\"3509\">\r\n \t<li data-start=\"3169\" data-end=\"3233\">\r\n<p data-start=\"3171\" data-end=\"3233\">Short lead length (&lt;0.5 m) to minimize residual voltage.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3234\" data-end=\"3299\">\r\n<p data-start=\"3236\" data-end=\"3299\">Adequate conductor size (\u22656 mm\u00b2) to avoid thermal stress.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3300\" data-end=\"3429\">\r\n<p data-start=\"3302\" data-end=\"3429\">A dedicated breaker or Surge Circuit Breaker (SCB) upstream, ensuring the SPD can be disconnected safely if overstressed.<\/p>\r\n<\/li>\r\n \t<li data-start=\"3430\" data-end=\"3509\">\r\n<p data-start=\"3432\" data-end=\"3509\">Grounding resistance \u226410 \u03a9 to ensure surge energy is properly diverted.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"3511\" data-end=\"3652\">This layered engineering approach ensures that the SPD is not just a \u201cbox on the panel\u201d but a coordinated part of the protection ecosystem.<\/p>\r\n\r\n<h3 data-start=\"3511\" data-end=\"3652\"><strong data-start=\"2564\" data-end=\"2607\">Standards &amp; Coordination in Plain Terms<\/strong><\/h3>\r\n<p data-start=\"3511\" data-end=\"3652\">Whole house surge protectors are tested to different waveforms that mirror real-world threats. Type 1 devices are verified with Iimp (10\/350 \u03bcs) to emulate lightning current at the service entrance. Type 2 devices use In \/ Imax (8\/20 \u03bcs) to represent distribution-level surges. Type 3 devices are validated with a combination wave (1.2\/50 kV \u2013 8\/20 A) near sensitive loads.<br data-start=\"3007\" data-end=\"3010\" \/>In 230\/400 V systems, typical Uc values are 275 V (L-N\/L-PE). For 120\/240 V split-phase systems, Uc commonly sits at 150 V (L-N) \/ 300 V (L-L). Select Up to match your equipment\u2019s insulation coordination; for homes, Up \u2264 1.5 kV is a practical target.<br data-start=\"3284\" data-end=\"3287\" \/>For TN-S\/TT networks, a 3+1 topology (MOVs on L-N, spark gap on N-PE) lowers the N-PE stress and follow current risk. Always coordinate the SPD\u2019s ISCCR with the panel\u2019s available short-circuit current and use the manufacturer\u2019s backup MCB\/fuse table to size the upstream protective device correctly.<\/p>\r\n<a href=\"https:\/\/www.britecelectric.com\/attachment\/br-20-4p-1type-2-surge-protection-device-jpg-4\/\" rel=\"attachment wp-att-2184\"><img class=\"alignnone wp-image-2184\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2025\/08\/BR-20-4P-1Type-2-Surge-Protection-Device.jpg-3-1024x1024.webp\" alt=\"Whole House Surge Protection Device\" width=\"900\" height=\"900\" \/><\/a>\r\n<h2 data-start=\"3511\" data-end=\"3652\">Pros of Whole House Surge Protection Devices<\/h2>\r\n<h3 data-start=\"3768\" data-end=\"3796\">Comprehensive Coverage<\/h3>\r\n<p data-start=\"3797\" data-end=\"3943\">Unlike plug-in protectors, a Whole House Surge Protection Device shields the entire electrical system, including large hardwired appliances.<\/p>\r\n\r\n<h3 data-start=\"3945\" data-end=\"3970\">High Surge Capacity<\/h3>\r\n<p data-start=\"3971\" data-end=\"4082\">Type 2 SPDs typically handle 20\u201340 kA, making them suitable for lightning-prone areas and unstable grids.<\/p>\r\n\r\n<h3 data-start=\"4084\" data-end=\"4115\">Compliance with Standards<\/h3>\r\n<p data-start=\"4116\" data-end=\"4221\">Conforms to <strong data-start=\"4128\" data-end=\"4144\">IEC 61643-11<\/strong> and <strong data-start=\"4149\" data-end=\"4160\">UL 1449<\/strong>, ensuring international safety and performance benchmarks.<\/p>\r\n\r\n<h3 data-start=\"4223\" data-end=\"4244\">Layered Defense<\/h3>\r\n<p data-start=\"4245\" data-end=\"4441\">When combined with Type 1 at the service entrance and Type 3 near sensitive devices, the system forms a multi-tiered defense against both high-energy lightning strikes and internal micro-surges.<\/p>\r\n\r\n<h3 data-start=\"4443\" data-end=\"4475\">Extends Appliance Lifespan<\/h3>\r\n<p data-start=\"4476\" data-end=\"4630\">Continuous exposure to surges\u2014even small ones\u2014damages electronics gradually. SPDs filter these surges, reducing the risk of premature equipment failure.<\/p>\r\n\r\n<h3 data-start=\"4632\" data-end=\"4662\">Smart Monitoring Options<\/h3>\r\n<p data-start=\"4663\" data-end=\"4878\">Modern whole house surge protectors offer status indicators, remote signaling contacts, and surge counters (e.g., BRSC-01), enabling preventive maintenance and integration into building management systems.<\/p>\r\n\r\n<h3 data-start=\"4880\" data-end=\"4903\">Long-Term Savings<\/h3>\r\n<p data-start=\"4904\" data-end=\"5035\">Replacing an SPD ($500) is cheaper than replacing a failed HVAC ($5,000)\u00a0or losing a day of data center uptime (~$10,000\/hour).<\/p>\r\n\r\n<h3 data-start=\"3632\" data-end=\"4030\"><strong data-start=\"3632\" data-end=\"3671\">Code compliance &amp; insurance synergy<\/strong><\/h3>\r\n<p data-start=\"3632\" data-end=\"4030\">While requirements vary by region, whole house surge protectors aligned with IEC 61643-11 \/ UL 1449 strengthen overall electrical safety and can support compliance goals. In practice, insurers and AHJs increasingly recognize SPDs as part of a robust protection plan, especially for homes with EV chargers, heat pumps, PV inverters, and smart-home hubs.<\/p>\r\n<p data-start=\"4032\" data-end=\"4381\"><strong data-start=\"4032\" data-end=\"4071\">Uptime for modern electrified homes<\/strong><br data-start=\"4071\" data-end=\"4074\" \/>Today\u2019s homes run microprocessor-rich equipment\u2014induction cooktops, variable-speed HVAC, servers\/NAS. A whole house surge protector reduces nuisance failures and unplanned service calls. Pairing a Type 2 whole home surge protector with local Type 3 strips near AV\/IT gear materially lowers downtime.<\/p>\r\n\r\n<h2 data-start=\"5042\" data-end=\"5094\">Cons of Whole House Surge Protection Devices<\/h2>\r\n<h3 data-start=\"5136\" data-end=\"5167\">Initial Installation Cost<\/h3>\r\n<p data-start=\"5168\" data-end=\"5262\">Including device and electrician labor, home surge protector cost ranges from $200\u2013$700.<\/p>\r\n\r\n<h3 data-start=\"5264\" data-end=\"5304\">Professional Installation Required<\/h3>\r\n<p data-start=\"5305\" data-end=\"5417\">Unlike plug-in strips, whole house SPDs must be installed at the distribution panel by a licensed electrician.<\/p>\r\n\r\n<h3 data-start=\"5419\" data-end=\"5441\">Limited Lifespan<\/h3>\r\n<p data-start=\"5442\" data-end=\"5595\">MOV-based designs degrade over time, especially after multiple surge events. Without inspection, the SPD may appear functional but offer no protection.<\/p>\r\n\r\n<h3 data-start=\"5597\" data-end=\"5633\">Dependence on Grounding System<\/h3>\r\n<p data-start=\"5634\" data-end=\"5759\">Poor grounding (earth resistance &gt;10 \u03a9) renders the SPD ineffective. Many older homes require upgrades before installation.<\/p>\r\n\r\n<h3 data-start=\"5761\" data-end=\"5790\">Not a Complete Solution<\/h3>\r\n<p data-start=\"5791\" data-end=\"6032\">Whole house SPDs mitigate voltage surges, but they cannot prevent direct lightning strikes, long-term overvoltage, or wiring faults. For full protection, they must be paired with circuit breakers, lightning rods, and grounding systems.<\/p>\r\n\r\n<h3 data-start=\"4414\" data-end=\"4672\"><strong data-start=\"4414\" data-end=\"4445\">Coordination with GFCI\/AFCI<\/strong><\/h3>\r\n<p data-start=\"4414\" data-end=\"4672\">High-energy transients and subsequent leakage can occasionally interact with GFCI\/AFCI devices. Proper SPD selection, short lead routing, and using the recommended upstream breaker curve help minimize nuisance trips.<\/p>\r\n\r\n<h3 data-start=\"4674\" data-end=\"4974\"><strong data-start=\"4674\" data-end=\"4710\">Aging and predictive maintenance<\/strong><\/h3>\r\n<p data-start=\"4674\" data-end=\"4974\">MOVs age thermally and electrically. Without surge counters and remote signaling, an SPD can look \u201calive\u201d but be functionally exhausted. Plan predictive replacement based on event counts, environment, and manufacturer guidance\u2014not only on visible flags.<\/p>\r\n\r\n<h2 data-start=\"5129\" data-end=\"5168\">Common Misconceptions and Mistakes<\/h2>\r\n<ul data-start=\"5170\" data-end=\"5765\">\r\n \t<li data-start=\"5170\" data-end=\"5299\">\r\n<p data-start=\"5172\" data-end=\"5299\"><strong data-start=\"5172\" data-end=\"5213\">\u201cMy breaker protects me from surges.\u201d<\/strong><br data-start=\"5213\" data-end=\"5216\" \/>False\u2014breakers trip on current, not voltage. Surges can pass through unnoticed.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5301\" data-end=\"5405\">\r\n<p data-start=\"5303\" data-end=\"5405\"><strong data-start=\"5303\" data-end=\"5330\">\u201cAn SPD lasts forever.\u201d<\/strong><br data-start=\"5330\" data-end=\"5333\" \/>Wrong\u2014MOVs wear out. Without replacement, the SPD may silently fail.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5407\" data-end=\"5526\">\r\n<p data-start=\"5409\" data-end=\"5526\"><strong data-start=\"5409\" data-end=\"5439\">\u201cA power strip is enough.\u201d<\/strong><br data-start=\"5439\" data-end=\"5442\" \/>Misleading\u2014plug-in protectors don\u2019t cover hardwired loads or full house systems.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5528\" data-end=\"5647\">\r\n<p data-start=\"5530\" data-end=\"5647\"><strong data-start=\"5530\" data-end=\"5565\">\u201cWiring length doesn\u2019t matter.\u201d<\/strong><br data-start=\"5565\" data-end=\"5568\" \/>Incorrect\u2014longer leads increase residual voltage (Up), reducing protection.<\/p>\r\n<\/li>\r\n \t<li data-start=\"5649\" data-end=\"5765\">\r\n<p data-start=\"5651\" data-end=\"5765\"><strong data-start=\"5651\" data-end=\"5680\">\u201cOnly one SPD is needed.\u201d<\/strong><br data-start=\"5680\" data-end=\"5683\" \/>Incomplete\u2014best practice is layered protection (Type 1 + Type 2 + Type 3).<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2 data-start=\"5772\" data-end=\"5813\">Maintenance and Lifecycle Management<\/h2>\r\n<h3 data-start=\"5815\" data-end=\"5847\">For Surge Protectors (SPD)<\/h3>\r\n<ul data-start=\"5848\" data-end=\"6292\">\r\n \t<li data-start=\"5848\" data-end=\"5934\">\r\n<p data-start=\"5850\" data-end=\"5934\">Visual inspections: Check indicator window regularly (green = OK, red = fail).<\/p>\r\n<\/li>\r\n \t<li data-start=\"5935\" data-end=\"6039\">\r\n<p data-start=\"5937\" data-end=\"6039\">Remote monitoring: For critical systems, use SPDs with signaling contacts to integrate into BMS.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6040\" data-end=\"6130\">\r\n<p data-start=\"6042\" data-end=\"6130\">Surge counters: Track surge events (e.g., with BRSC-01) to anticipate end-of-life.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6131\" data-end=\"6204\">\r\n<p data-start=\"6133\" data-end=\"6204\">Modular replacement: Replace cartridges quickly without rewiring.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6205\" data-end=\"6292\">\r\n<p data-start=\"6207\" data-end=\"6292\">Annual testing: Verify earth resistance \u2264 10 \u03a9 to ensure surge diversion works.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h3 data-start=\"6294\" data-end=\"6342\">For Circuit Breakers (in SPD coordination)<\/h3>\r\n<ul data-start=\"6343\" data-end=\"6538\">\r\n \t<li data-start=\"6343\" data-end=\"6396\">\r\n<p data-start=\"6345\" data-end=\"6396\">Periodic testing: Ensure trip curve accuracy.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6397\" data-end=\"6465\">\r\n<p data-start=\"6399\" data-end=\"6465\">Replacement: If mechanical wear or nuisance tripping occurs.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6466\" data-end=\"6538\">\r\n<p data-start=\"6468\" data-end=\"6538\">Annual insulation checks: Especially in industrial environments.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<h2>Cost vs Value: Is It Worth It?<\/h2>\r\n<p data-start=\"6111\" data-end=\"6278\">As an electrical engineer, I often get asked: <em data-start=\"6157\" data-end=\"6222\">\u201cIs a whole house surge protector device really worth the investment?\u201d<\/em> My answer is: absolutely\u2014if you value your equipment.<\/p>\r\n\r\n<ul data-start=\"6280\" data-end=\"6760\">\r\n \t<li data-start=\"6280\" data-end=\"6468\">\r\n<p data-start=\"6282\" data-end=\"6468\"><strong data-start=\"6282\" data-end=\"6303\">Residential Homes<\/strong>: Average appliance and electronics value easily exceeds $10,000. A $500 whole house power surge protector installation is a fraction of that replacement cost.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6469\" data-end=\"6619\">\r\n<p data-start=\"6471\" data-end=\"6619\"><strong data-start=\"6471\" data-end=\"6496\">Industrial Facilities<\/strong>: A single surge can damage PLCs, drives, or automation controllers, causing production downtime. Here, ROI is immediate.<\/p>\r\n<\/li>\r\n \t<li data-start=\"6620\" data-end=\"6760\">\r\n<p data-start=\"6622\" data-end=\"6760\"><strong data-start=\"6622\" data-end=\"6648\">Data Centers &amp; Offices<\/strong>: Downtime costs can exceed $10,000 per hour. An SPD is not an expense, but insurance for business continuity.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<table>\r\n<thead>\r\n<tr>\r\n<th><strong>Application Scenario<\/strong><\/th>\r\n<th><strong>Typical SPD Type<\/strong><\/th>\r\n<th><strong>Estimated Cost (Device + Installation)<\/strong><\/th>\r\n<th><strong>Value Delivered<\/strong><\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td><strong>Residential Homes<\/strong><\/td>\r\n<td>Type 2 (with optional Type 3 strips)<\/td>\r\n<td>$200 \u2013 $700<\/td>\r\n<td>Protects all appliances (TVs, HVAC, refrigerators, EV chargers, smart-home hubs). Prevents $10,000+ potential replacement costs.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Lightning-Prone Regions<\/strong><\/td>\r\n<td>Type 1 + Type 2 layered<\/td>\r\n<td>$400 \u2013 $1,200<\/td>\r\n<td>Handles high-energy lightning currents. Reduces catastrophic failures of wiring, panels, and connected loads.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Industrial Facilities<\/strong><\/td>\r\n<td>Type 1 + Type 2 + Type 3 coordinated<\/td>\r\n<td>$1,000 \u2013 $5,000+<\/td>\r\n<td>Prevents downtime in PLCs, automation systems, and drives. ROI immediate compared to thousands lost per hour of halted production.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Data Centers &amp; Offices<\/strong><\/td>\r\n<td>Type 2 upstream of UPS + Type 3 near servers<\/td>\r\n<td>$1,500 \u2013 $5,000+<\/td>\r\n<td>Protects critical IT assets. Avoids $10,000+\/hour downtime. Ensures business continuity.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td><strong>Compact \/ Retrofit Installations<\/strong><\/td>\r\n<td>Integrated SPD + fuse models (e.g., BR-30FU)<\/td>\r\n<td>$200 \u2013 $500<\/td>\r\n<td>Cost-effective solution where panel space is limited. Offers reliable protection without complex rewiring.<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<p data-start=\"6762\" data-end=\"6872\"><strong data-start=\"6762\" data-end=\"6777\">Conclusion:<\/strong> The upfront cost is small compared to the financial and safety risks of unprotected systems.<\/p>\r\n\r\n<h2 data-start=\"6958\" data-end=\"7012\">Which One Do You Need? (Authoritative Conclusion)<\/h2>\r\n<ul data-start=\"7014\" data-end=\"7370\">\r\n \t<li data-start=\"7014\" data-end=\"7106\">\r\n<p data-start=\"7016\" data-end=\"7106\"><strong data-start=\"7016\" data-end=\"7025\">Homes<\/strong>: Type 2 SPD in the main panel + Type 3 power strips for sensitive electronics.<\/p>\r\n<\/li>\r\n \t<li data-start=\"7107\" data-end=\"7187\">\r\n<p data-start=\"7109\" data-end=\"7187\"><strong data-start=\"7109\" data-end=\"7148\">High-risk regions (lightning-prone)<\/strong>: Type 1 + Type 2 layered protection.<\/p>\r\n<\/li>\r\n \t<li data-start=\"7188\" data-end=\"7263\">\r\n<p data-start=\"7190\" data-end=\"7263\"><strong data-start=\"7190\" data-end=\"7230\">Industrial and commercial facilities<\/strong>: Full Type 1+2+3 coordination.<\/p>\r\n<\/li>\r\n \t<li data-start=\"7264\" data-end=\"7370\">\r\n<p data-start=\"7266\" data-end=\"7370\"><strong data-start=\"7266\" data-end=\"7291\">Compact installations<\/strong>: Use integrated SPD + fuse models (e.g., BR-30FU) for cost-effective setups.<\/p>\r\n<\/li>\r\n<\/ul>\r\n<p data-start=\"7372\" data-end=\"7517\"><strong data-start=\"7372\" data-end=\"7388\">Bottom line:<\/strong> Circuit breakers protect against fire risks; SPDs protect against surge damage. For reliable electrical safety, you need both.<\/p>\r\n\r\n<h2 data-start=\"7524\" data-end=\"7543\">Final Thoughts<\/h2>\r\n<p data-start=\"7544\" data-end=\"7814\">Whole house surge protection devices are not optional luxuries\u2014they are a vital part of modern electrical safety. By following <a href=\"https:\/\/iec.ch\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"7671\" data-end=\"7688\">IEC standards<\/strong><\/a>, choosing the right SPD type, and ensuring proper installation and maintenance, you can safeguard both people and property.<\/p>\r\n<p data-start=\"7816\" data-end=\"8105\">Our company\u2019s SLP and BR series SPDs, compliant with IEC 61643-11, are engineered for reliable performance with modular designs, easy replacement, and monitoring options. Whether for residential or industrial use, the right surge protection strategy provides long-term peace of mind.<\/p>"},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/blog\/2183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/media\/2177"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/media?parent=2183"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/el\/wp-json\/wp\/v2\/blog_category?post=2183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}