{"id":825,"date":"2023-12-18T14:35:43","date_gmt":"2023-12-18T06:35:43","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&p=825"},"modified":"2024-09-05T16:31:35","modified_gmt":"2024-09-05T08:31:35","slug":"how-to-choose-surge-protection-devices","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/tr\/blog\/how-to-choose-surge-protection-devices\/","title":{"rendered":"A\u015f\u0131r\u0131 gerilim koruma cihazlar\u0131 nas\u0131l se\u00e7ilir?"},"content":{"rendered":"A\u015f\u0131r\u0131 Gerilim Koruyucular\u0131n\u0131 Se\u00e7mek<\/strong>\r\n\r\nBritec\u2019s line of AC power surge protectors is designed to cover all possible configurations in low voltage installations. They are available in many versions, which differ in:\r\n\r\n\u2013 Type or test class (1, 2 or 3)\r\n\r\n\u2013 Operating voltage (Uc)\r\n\r\n\u2013 AC network configuration (Single\/three-Phase)\r\n\r\n\u2013 Discharge currents (Iimp, In, Imax, Uoc)\r\n\r\n\u2013 Protection level (Up)\r\n\r\n\u2013 Protection technology (varistors, spark gap, filter)\r\n\r\n\u2013 Features (differential mode, plug-in, remote signaling, compact).\r\n\r\nThe surge protection selection must be done following the local electrical code requirements (e.g.: minimum rating for In) and specific conditions (e.g.: high lightning density).\r\n\r\nA\u015f\u0131r\u0131 gerilim koruyucu tipinin se\u00e7ilmesi<\/strong>\r\n\r\nA\u015f\u0131r\u0131 gerilim koruyucunun t\u00fcr\u00fc, konumuna ve korunacak kurulumun k\u0131s\u0131tlamalar\u0131na ba\u011fl\u0131d\u0131r.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Yap\u0131land\u0131rma<\/strong><\/td>\r\nSPD<\/strong><\/td>\r\nKonum<\/strong><\/td>\r\nBR\u0130TEC<\/strong><\/td>\r\n<\/tr>\r\n
LPS ile donat\u0131lm\u0131\u015f veya y\u0131ld\u0131r\u0131m \u00e7arpabilecek kurulum<\/td>\r\nType 1+2 \r\n\r\nType 1+2+3<\/td>\r\nKurulumun men\u015fei (Panel veya ana santral)<\/td>\r\nBR-50GR \r\n\r\nBR-25GR\r\n\r\nBR-25M\r\n\r\nBR-12.5M<\/td>\r\n<\/tr>\r\n
LPS'siz kurulum<\/td>\r\nType 2 \r\n\r\nType 2+3<\/td>\r\nana santral<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
\u0130kincil koruma (a\u015fa\u011f\u0131 ak\u0131\u015f birincil SPD)<\/td>\r\nType 2 \r\n\r\n(or Type 3)<\/td>\r\nkorunan ekipmana yak\u0131n<\/td>\r\nBR-40DP \r\n\r\nBR-20DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nUc ve UT \u00e7al\u0131\u015fma gerilimlerinin se\u00e7ilmesi<\/strong>\r\n\r\nThe SPD Uc voltage (maximum continuous operating voltage) depends on:\r\n\r\n\u2013 Nominal voltage of the AC network (Uo)\r\n\r\n\u2013 Type of AC system (TN, TT, IT).\r\n\r\nThe level of resistance to temporary overvoltage (UT) is related to the Uc voltage. In addition, withstanding the \u201chigh voltage\u201d TOV (1200 Vac, 300A, 200ms) between Neutral and PE is needed in TT AC system.\r\n\r\n\u00c7al\u0131\u015fma gerilimi Uc (Hat\/Toprak)<\/strong>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
AC A\u011f\u0131<\/td>\r\n230\/400V<\/td>\r\n120\/208V<\/td>\r\n<\/tr>\r\n
klima sistemi<\/td>\r\nTT<\/td>\r\nTN<\/td>\r\nBT<\/td>\r\nTN<\/td>\r\n<\/tr>\r\n
Gerilim Uc mini<\/td>\r\n255V<\/td>\r\n255V<\/td>\r\n440V<\/td>\r\n135V<\/td>\r\n<\/tr>\r\n
Gerilim UT<\/td>\r\n335\/440V<\/td>\r\n335\/440V<\/td>\r\n\u2014<\/td>\r\n230\/175V<\/td>\r\n<\/tr>\r\n
TOV N\/PE<\/td>\r\n1200V<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nIimp'i se\u00e7mek<\/strong>\r\n\r\nDarbe ak\u0131m\u0131 Iimp Tip 1 SPD i\u00e7in tan\u0131mlanm\u0131\u015ft\u0131r. Iimp i\u00e7in minimum de\u011fer, IEC 60364-5-534'e uygun olarak kutup ba\u015f\u0131na 12,5 kA'd\u0131r. Bu seviye ger\u00e7ek olguya uyarlanm\u0131\u015ft\u0131r. Ancak bu de\u011fer riske g\u00f6re art\u0131r\u0131labilir (EN 62305-1'e g\u00f6re hesaplama). BRITEC, Tip 1 SPD aral\u0131\u011f\u0131nda, kutup baz\u0131nda 3 seviyeli Iimp ak\u0131m\u0131 \u00f6nerir: 12,5kA, 25kA ve 50 kA.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Yap\u0131land\u0131rma<\/strong><\/td>\r\n\u0130mp\/kutup<\/strong><\/td>\r\nBR\u0130TEC<\/strong><\/td>\r\n<\/tr>\r\n
Maksimum risk<\/td>\r\n50ka<\/td>\r\nBR-50GR<\/td>\r\n<\/tr>\r\n
\u00c7ok y\u00fcksek y\u0131ld\u0131r\u0131m yo\u011funlu\u011fu K\u00f6t\u00fc topraklama<\/td>\r\n25kA<\/td>\r\nBR-25GR \r\n\r\nBR-25M<\/td>\r\n<\/tr>\r\n
Y\u00fcksek, orta veya d\u00fc\u015f\u00fck y\u0131ld\u0131r\u0131m yo\u011funlu\u011fu<\/td>\r\n12.5kA<\/td>\r\nBR-12.5M<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nGe\u00e7erli se\u00e7ene\u011fi se\u00e7me<\/strong>\r\n\r\nThe relevant nominal discharge current In for the SPD is in relation with the lightning risk in the installation area.\r\n\r\nThe minimum rating of In for a SPD connected at the installation entrance is 5 kA (8\/20 \u03bcs waveform), required by standard.\r\n\r\nNevertheless higher ratings are advised in case of high lightning density.\r\n\r\nMoreover higher values of In current will increase the SPD lifetime.\r\n\r\nImax (max. discharge current) rating is linked to In.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Ko\u015fullar<\/strong><\/td>\r\n\u0130\u00e7inde<\/strong><\/td>\r\nBR\u0130TEC<\/strong><\/td>\r\n<\/tr>\r\n
\u00c7ok y\u00fcksek y\u0131ld\u0131r\u0131m yo\u011funlu\u011fu<\/td>\r\n> 20kA<\/td>\r\nBR-60 \r\n\r\nBR-70<\/td>\r\n<\/tr>\r\n
Y\u00fcksek veya orta y\u0131ld\u0131r\u0131m yo\u011funlu\u011fu<\/td>\r\n10-20kA<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
D\u00fc\u015f\u00fck y\u0131ld\u0131r\u0131m yo\u011funlu\u011fu veya ikincil SPD<\/td>\r\n5 kA<\/td>\r\nBR-15DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nKoruma d\u00fczeyinin se\u00e7ilmesi Yukar\u0131<\/strong>\r\n\r\nThe user must select a surge protector with a protection level Up adapted to the withstand level of terminal equipment. In every case, the lower the protection level Up, the better the protection.\r\n\r\nIEC 60364 standard calls for the minimum protection level of 2.5 kV for a SPD connected at the entrance of a 230\/400 V network: this level is in compliance with the withstand of robust devices (electromechanical type).\r\n\r\nElectronic-based terminals have lower impulse withstand and require a better protection: so, surge protectors with 1.5 kV protection are necessary to provide efficient protection.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Ko\u015fullar<\/strong><\/td>\r\n\u00d6nerilen Yukar\u0131<\/strong><\/td>\r\n<\/tr>\r\n
230\/400 V \r\n\r\nAC network<\/td>\r\n120\/208 V \r\n\r\nAC network<\/td>\r\n<\/tr>\r\n
Kurulum giri\u015finde SPD<\/td>\r\n2,5 kV maks.<\/td>\r\n1,5 kV maks.<\/td>\r\n<\/tr>\r\n
Elektromekanik korumal\u0131 ekipman<\/td>\r\n2,5 kV<\/td>\r\n1,5 kV<\/td>\r\n<\/tr>\r\n
Elektronik tabanl\u0131 korumal\u0131 ekipman<\/td>\r\n1,5 kV<\/td>\r\n0,8kV<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n ","protected":false},"featured_media":826,"parent":0,"menu_order":164,"template":"","meta":{"_acf_changed":false},"blog_category":[8],"class_list":["post-825","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-company-news"],"acf":{"des":"Britec\u2019s line of AC power surge protectors is designed to cover all possible configurations in low voltage installations.","txt":"Choosing Surge Protectors<\/strong>\r\n\r\nBritec\u2019s line of AC power surge protectors is designed to cover all possible configurations in low voltage installations. They are available in many versions, which differ in:\r\n\r\n\u2013 Type or test class (1, 2 or 3)\r\n\r\n\u2013 Operating voltage (Uc)\r\n\r\n\u2013 AC network configuration (Single\/three-Phase)\r\n\r\n\u2013 Discharge currents (Iimp, In, Imax, Uoc)\r\n\r\n\u2013 Protection level (Up)\r\n\r\n\u2013 Protection technology (varistors, spark gap, filter)\r\n\r\n\u2013 Features (differential mode, plug-in, remote signaling, compact).\r\n\r\nThe surge protection selection must be done following the local electrical code requirements (e.g.: minimum rating for In) and specific conditions (e.g.: high lightning density).\r\n\r\nChoosing the Type of surge protectors<\/strong>\r\n\r\nThe type of surge protector is based on its location and the constraints of the installation to be protected.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Configuration<\/strong><\/td>\r\nSPD<\/strong><\/td>\r\nLocation<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Installation equipped with LPS or could be hit by lightning<\/td>\r\nType 1+2 \r\n\r\nType 1+2+3<\/td>\r\nOrigin of the installation origin (Panel or main switchboard)<\/td>\r\nBR-50GR \r\n\r\nBR-25GR\r\n\r\nBR-25M\r\n\r\nBR-12.5M<\/td>\r\n<\/tr>\r\n
Installation without LPS<\/td>\r\nType 2 \r\n\r\nType 2+3<\/td>\r\nmain switchboard<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
Secondary protection (downstream primary SPD)<\/td>\r\nType 2 \r\n\r\n(or Type 3)<\/td>\r\nclose to protected equipment<\/td>\r\nBR-40DP \r\n\r\nBR-20DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nChoosing the operating voltages Uc and UT<\/strong>\r\n\r\nThe SPD Uc voltage (maximum continuous operating voltage) depends on:\r\n\r\n\u2013 Nominal voltage of the AC network (Uo)\r\n\r\n\u2013 Type of AC system (TN, TT, IT).\r\n\r\nThe level of resistance to temporary overvoltage (UT) is related to the Uc voltage. In addition, withstanding the \u201chigh voltage\u201d TOV (1200 Vac, 300A, 200ms) between Neutral and PE is needed in TT AC system.\r\n\r\nOperating voltage Uc (Line\/Ground)<\/strong>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
AC Network<\/td>\r\n230\/400V<\/td>\r\n120\/208V<\/td>\r\n<\/tr>\r\n
AC system<\/td>\r\nTT<\/td>\r\nTN<\/td>\r\nIT<\/td>\r\nTN<\/td>\r\n<\/tr>\r\n
Voltage Uc mini<\/td>\r\n255V<\/td>\r\n255V<\/td>\r\n440V<\/td>\r\n135V<\/td>\r\n<\/tr>\r\n
Voltage UT<\/td>\r\n335\/440 V<\/td>\r\n335\/440 V<\/td>\r\n\u2014<\/td>\r\n230\/175 V<\/td>\r\n<\/tr>\r\n
TOV N\/PE<\/td>\r\n1200 V<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nChoosing Iimp<\/strong>\r\n\r\nThe impulse current Iimp is defined for Type 1 SPD. The minimum rating for Iimp is 12.5 kA by pole, following IEC 60364-5-534. This level is adapted to the real phenomenon. This value can, however, be increased according to the risk (calculation according to EN 62305-1). BRITEC proposes, in its Type 1 SPD range, 3 levels of Iimp current by pole: 12.5kA, 25kA and 50 kA.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Configuration<\/strong><\/td>\r\nIimp\/pole<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Maximum risk<\/td>\r\n50kA<\/td>\r\nBR-50GR<\/td>\r\n<\/tr>\r\n
Very high lightning density Bad earthing<\/td>\r\n25kA<\/td>\r\nBR-25GR \r\n\r\nBR-25M<\/td>\r\n<\/tr>\r\n
High, medium or low lightning density<\/td>\r\n12.5kA<\/td>\r\nBR-12.5M<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nChoosing In current<\/strong>\r\n\r\nThe relevant nominal discharge current In for the SPD is in relation with the lightning risk in the installation area.\r\n\r\nThe minimum rating of In for a SPD connected at the installation entrance is 5 kA (8\/20 \u03bcs waveform), required by standard.\r\n\r\nNevertheless higher ratings are advised in case of high lightning density.\r\n\r\nMoreover higher values of In current will increase the SPD lifetime.\r\n\r\nImax (max. discharge current) rating is linked to In.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Conditions<\/strong><\/td>\r\nIn<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Very high lightning density<\/td>\r\n> 20 kA<\/td>\r\nBR-60 \r\n\r\nBR-70<\/td>\r\n<\/tr>\r\n
High or medium lightning density<\/td>\r\n10-20 kA<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
Low lightning density or secondary SPD<\/td>\r\n5 kA<\/td>\r\nBR-15DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nChoosing the protection level Up<\/strong>\r\n\r\nThe user must select a surge protector with a protection level Up adapted to the withstand level of terminal equipment. In every case, the lower the protection level Up, the better the protection.\r\n\r\nIEC 60364 standard calls for the minimum protection level of 2.5 kV for a SPD connected at the entrance of a 230\/400 V network: this level is in compliance with the withstand of robust devices (electromechanical type).\r\n\r\nElectronic-based terminals have lower impulse withstand and require a better protection: so, surge protectors with 1.5 kV protection are necessary to provide efficient protection.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Conditions<\/strong><\/td>\r\nRecommended Up<\/strong><\/td>\r\n<\/tr>\r\n
230\/400 V \r\n\r\nAC network<\/td>\r\n120\/208 V \r\n\r\nAC network<\/td>\r\n<\/tr>\r\n
SPD at the installation entrance<\/td>\r\n2.5 kV max.<\/td>\r\n1.5 kV max.<\/td>\r\n<\/tr>\r\n
Electromechanical protected equipment<\/td>\r\n2.5 kV<\/td>\r\n1.5 kV<\/td>\r\n<\/tr>\r\n
Electronic-based protected equipment<\/td>\r\n1.5 kV<\/td>\r\n0.8 kV<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n "},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/media\/826"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/media?parent=825"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog_category?post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}