{"id":1353,"date":"2024-09-05T14:01:08","date_gmt":"2024-09-05T06:01:08","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=product&#038;p=1353"},"modified":"2025-05-06T16:38:26","modified_gmt":"2025-05-06T08:38:26","slug":"br-cctv-21m-cctv-lightning-arrester","status":"publish","type":"product","link":"https:\/\/www.britecelectric.com\/el\/product\/br-cctv-21m-cctv-lightning-arrester\/","title":{"rendered":"\u0391\u03bb\u03b5\u03be\u03b9\u03ba\u03ad\u03c1\u03b1\u03c5\u03bd\u03bf CCTV BR-CCTV-21M"},"content":{"rendered":"<h3>\u03a0\u03b5\u03c1\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae<\/h3><p><strong>\u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03bf\u03c2:<\/strong><\/p>\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr class=\"firstRow\">\n<td>\u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2<\/td>\n<td><\/td>\n<td>CCTV-21M-48<\/td>\n<td>CCTV-21M-230<\/td>\n<\/tr>\n<tr>\n<td>\u03a0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/td>\n<td><\/td>\n<td>IEC 61643-21<\/td>\n<td>IEC 61643-21<\/td>\n<\/tr>\n<tr>\n<td>\u039c\u03ad\u03b3. \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 d.c. \u03c4\u03ac\u03c3\u03b7 (RJ45)<\/td>\n<td>Uc<\/td>\n<td>8V<\/td>\n<td>8V<\/td>\n<\/tr>\n<tr>\n<td>\u039c\u03ad\u03b3. \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 a.c. \u03c4\u03ac\u03c3\u03b7 (RJ45)<\/td>\n<td>Uc<\/td>\n<td>5,5V<\/td>\n<td>5,5V<\/td>\n<\/tr>\n<tr>\n<td>\u039c\u03ad\u03b3. \u03c3\u03c5\u03bd\u03b5\u03c7\u03bf\u03cd\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2 a.c. \u03c4\u03ac\u03c3\u03b7 (\u03b9\u03c3\u03c7\u03cd\u03c2)<\/td>\n<td>Uc<\/td>\n<td>60V<\/td>\n<td>275 V<\/td>\n<\/tr>\n<tr>\n<td>\u039f\u03bd\u03bf\u03bc\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1<\/td>\n<td>IL<\/td>\n<td>1\u0391<\/td>\n<td>1\u0391<\/td>\n<\/tr>\n<tr>\n<td>C2 \u039a\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03cc \u03c1\u03b5\u03cd\u03bc\u03b1 \u03b5\u03ba\u03c6\u03cc\u03c1\u03c4\u03b9\u03c3\u03b7\u03c2 (8\/20\u03bcs)<\/td>\n<td>\u03a3\u03b5<\/td>\n<td>3kA<\/td>\n<td>3kA<\/td>\n<\/tr>\n<tr>\n<td>C2 \u039c\u03ad\u03b3. \u03c1\u03b5\u03cd\u03bc\u03b1 \u03b5\u03ba\u03c6\u03cc\u03c1\u03c4\u03b9\u03c3\u03b7\u03c2 (8\/20\u03bcs)<\/td>\n<td>Imax<\/td>\n<td>10 kA<\/td>\n<td>10 kA<\/td>\n<\/tr>\n<tr>\n<td>\u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 [line-line] (RJ45)<\/td>\n<td>\u0395\u03c0\u03ac\u03bd\u03c9<\/td>\n<td>\u226430V<\/td>\n<td>\u226430V<\/td>\n<\/tr>\n<tr>\n<td>\u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 [line-PG] (RJ45)<\/td>\n<td>\u0395\u03c0\u03ac\u03bd\u03c9<\/td>\n<td>\u2264500V<\/td>\n<td>\u2264500V<\/td>\n<\/tr>\n<tr>\n<td>\u0395\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 (\u03b9\u03c3\u03c7\u03cd\u03c2)<\/td>\n<td>\u0395\u03c0\u03ac\u03bd\u03c9<\/td>\n<td>\u2264200V<\/td>\n<td>\u22641,2 kV<\/td>\n<\/tr>\n<tr>\n<td>\u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2 [line-line]<\/td>\n<td>tA<\/td>\n<td>\u22641 s<\/td>\n<td>\u22641 s<\/td>\n<\/tr>\n<tr>\n<td>\u03a7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2 [line-PG]<\/td>\n<td>tA<\/td>\n<td>\u2264100ns<\/td>\n<td>\u2264100ns<\/td>\n<\/tr>\n<tr>\n<td>\u0395\u03cd\u03c1\u03bf\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2<\/td>\n<td>Tu<\/td>\n<td>-40\u2103\u2026+80\u2103<\/td>\n<td>-40\u2103\u2026+80\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0395\u03af\u03c3\u03bf\u03b4\u03bf\u03c2\/\u03ad\u03be\u03bf\u03b4\u03bf\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 RJ45\/Power<\/td>\n<td><\/td>\n<td>RJ45\/\u039c\u03c0\u03bb\u03bf\u03ba \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd<\/td>\n<td>RJ45\/\u039c\u03c0\u03bb\u03bf\u03ba \u03b1\u03ba\u03c1\u03bf\u03b4\u03b5\u03ba\u03c4\u03ce\u03bd<\/td>\n<\/tr>\n<tr>\n<td>\u0395\u03cd\u03c1\u03bf\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2<\/td>\n<td><\/td>\n<td>30 Mbps<\/td>\n<td>30 Mbps<\/td>\n<\/tr>\n<tr>\n<td>\u0391\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b5\u03b9\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2<\/td>\n<td><\/td>\n<td>\u22640,3dB<\/td>\n<td>\u22640,3dB<\/td>\n<\/tr>\n<tr>\n<td>\u03a5\u03bb\u03b9\u03ba\u03cc \u03c0\u03b5\u03c1\u03b9\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/td>\n<td><\/td>\n<td>\u03ba\u03c1\u03ac\u03bc\u03b1 \u03b1\u03bb\u03bf\u03c5\u03bc\u03b9\u03bd\u03af\u03bf\u03c5<\/td>\n<td>\u03ba\u03c1\u03ac\u03bc\u03b1 \u03b1\u03bb\u03bf\u03c5\u03bc\u03b9\u03bd\u03af\u03bf\u03c5<\/td>\n<\/tr>\n<tr>\n<td>\u0392\u03b1\u03b8\u03bc\u03cc\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2<\/td>\n<td><\/td>\n<td>IP20<\/td>\n<td>IP20<\/td>\n<\/tr>\n<tr>\n<td>\u039a\u03c9\u03b4\u03b9\u03ba\u03cc\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03b3\u03b5\u03bb\u03af\u03b1\u03c2<\/td>\n<td><\/td>\n<td>D9050<\/td>\n<td>D9051<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac:<\/strong><\/p>\n<p>\u03a3\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 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2.<\/p>\n<p>\u0398\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2: -40\u2103~+80\u2103.<\/p>\n<p>\u03a3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03c3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 IEC 61643-21.<\/p>\n<p>\u03a0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03c3\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae, \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03c3\u03b5 \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2<\/p>\n<p>\u03a4\u03b1\u03c7\u03b5\u03af\u03b1 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd \u03c5\u03c0\u03ad\u03c1\u03c4\u03b1\u03c3\u03b7 (\u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2 &lt;1 ns)<\/p>\n<p>\u0395\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bd\u03ad\u03b1 \u03b3\u03b5\u03bd\u03b9\u03ac \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1\u03c2 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 CCTV<\/p>\n<p><strong>\u0395\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae:<\/strong><\/p>\n<p>\u03a3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03bf\u03b8\u03cc\u03bd\u03b7\u03c2 (Power, Ethernet), \u03c0\u03bf\u03c5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03c4\u03b7\u03bd \u03bf\u03b8\u03cc\u03bd\u03b7 \u03c4\u03c1\u03b1\u03c0\u03b5\u03b6\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2.<\/p>\n<p>\u039a\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b2\u03af\u03bd\u03c4\u03b5\u03bf \u03b3\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c5\u03c0\u03b5\u03c1\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03cc.<\/p>\n<p>\u03a0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03b3\u03b9\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03bf, \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03b7, \u03b4\u03c1\u03cc\u03bc\u03bf \u03ba.\u03bb\u03c0. \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1. \u039a\u03ac\u03bc\u03b5\u03c1\u03b1 CCTV, \u03ba\u03ac\u03bc\u03b5\u03c1\u03b1 \u03b8\u03cc\u03bb\u03bf\u03c5.<\/p>\n<p>\u039a\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03c1\u03b1\u03c5\u03bd\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c3\u03af\u03b1 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b2\u03af\u03bd\u03c4\u03b5\u03bf.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17654\" src=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-%E5%B0%BA%E5%AF%B8%E5%9B%BE.jpg\" sizes=\"auto, (max-width: 1819px) 100vw, 1819px\" srcset=\"https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-\u5c3a\u5bf8\u56fe.jpg 1819w, https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-\u5c3a\u5bf8\u56fe-400x153.jpg 400w, https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-\u5c3a\u5bf8\u56fe-1300x499.jpg 1300w, https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-\u5c3a\u5bf8\u56fe-768x295.jpg 768w, https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-\u5c3a\u5bf8\u56fe-1536x589.jpg 1536w, https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-\u5c3a\u5bf8\u56fe-600x230.jpg 600w, https:\/\/www.britecelectric.com\/wp-content\/uploads\/2023\/12\/BRCCTV-21M-\u5c3a\u5bf8\u56fe-150x58.jpg 150w\" alt=\"\" width=\"1819\" height=\"698\" 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