{"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\/hu\/blog\/how-to-choose-surge-protection-devices\/","title":{"rendered":"Hogyan v\u00e1lasszunk t\u00falfesz\u00fclts\u00e9g-v\u00e9delmi eszk\u00f6z\u00f6ket?"},"content":{"rendered":"T\u00falfesz\u00fclts\u00e9gv\u00e9d\u0151k kiv\u00e1laszt\u00e1sa<\/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 t\u00falfesz\u00fclts\u00e9gv\u00e9d\u0151 t\u00edpus\u00e1nak kiv\u00e1laszt\u00e1sa<\/strong>\r\n\r\nA t\u00falfesz\u00fclts\u00e9g-v\u00e9d\u0151 t\u00edpusa a hely\u00e9t\u0151l \u00e9s a v\u00e9dend\u0151 berendez\u00e9s korl\u00e1tait\u00f3l f\u00fcgg.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Konfigur\u00e1ci\u00f3<\/strong><\/td>\r\nSPD<\/strong><\/td>\r\nElhelyezked\u00e9s<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
LPS-sel felszerelt telep\u00edt\u00e9s, vagy vill\u00e1mcsap\u00e1s \u00e9rheti<\/td>\r\nType 1+2 \r\n\r\nType 1+2+3<\/td>\r\nA telep\u00edt\u00e9s eredete (panel vagy f\u0151kapcsol\u00f3t\u00e1bla)<\/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
Telep\u00edt\u00e9s LPS n\u00e9lk\u00fcl<\/td>\r\nType 2 \r\n\r\nType 2+3<\/td>\r\nf\u0151kapcsol\u00f3t\u00e1bla<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
M\u00e1sodlagos v\u00e9delem (downstream els\u0151dleges SPD)<\/td>\r\nType 2 \r\n\r\n(or Type 3)<\/td>\r\nv\u00e9dett berendez\u00e9sek k\u00f6zel\u00e9ben<\/td>\r\nBR-40DP \r\n\r\nBR-20DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nAz Uc \u00e9s UT \u00fczemi fesz\u00fclts\u00e9gek kiv\u00e1laszt\u00e1sa<\/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\u00dczemi fesz\u00fclts\u00e9g Uc (vonal\/f\u00f6ld)<\/strong>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
AC h\u00e1l\u00f3zat<\/td>\r\n230\/400V<\/td>\r\n120\/208V<\/td>\r\n<\/tr>\r\n
AC rendszer<\/td>\r\nTT<\/td>\r\nTN<\/td>\r\nAZT<\/td>\r\nTN<\/td>\r\n<\/tr>\r\n
Fesz\u00fclts\u00e9g Uc mini<\/td>\r\n255V<\/td>\r\n255V<\/td>\r\n440V<\/td>\r\n135V<\/td>\r\n<\/tr>\r\n
UT fesz\u00fclts\u00e9g<\/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\nAz Iimp kiv\u00e1laszt\u00e1sa<\/strong>\r\n\r\nAz Iimp impulzus\u00e1ram az 1-es t\u00edpus\u00fa SPD-hez van defini\u00e1lva. Az Iimp minim\u00e1lis besorol\u00e1sa p\u00f3lusonk\u00e9nt 12,5 kA, az IEC 60364-5-534 szerint. Ez a szint a val\u00f3s jelens\u00e9ghez igazodik. Ez az \u00e9rt\u00e9k azonban n\u00f6velhet\u0151 a kock\u00e1zatnak megfelel\u0151en (sz\u00e1m\u00edt\u00e1s az EN 62305-1 szerint). A BRITEC az 1-es t\u00edpus\u00fa SPD tartom\u00e1nyban 3 p\u00f3lusonk\u00e9nti Iimp-\u00e1ramot javasol: 12,5 kA, 25 kA \u00e9s 50 kA.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Konfigur\u00e1ci\u00f3<\/strong><\/td>\r\nIimp\/pole<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Maxim\u00e1lis kock\u00e1zat<\/td>\r\n50 kA<\/td>\r\nBR-50GR<\/td>\r\n<\/tr>\r\n
Nagyon nagy vill\u00e1ms\u0171r\u0171s\u00e9g Rossz f\u00f6ldel\u00e9s<\/td>\r\n25 kA<\/td>\r\nBR-25GR \r\n\r\nBR-25M<\/td>\r\n<\/tr>\r\n
Nagy, k\u00f6zepes vagy alacsony vill\u00e1ms\u0171r\u0171s\u00e9g<\/td>\r\n12,5 kA<\/td>\r\nBR-12,5M<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nV\u00e1lassza az In Current lehet\u0151s\u00e9get<\/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
K\u00f6r\u00fclm\u00e9nyek<\/strong><\/td>\r\nIn<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Nagyon nagy vill\u00e1ms\u0171r\u0171s\u00e9g<\/td>\r\n> 20 kA<\/td>\r\nBR-60 \r\n\r\nBR-70<\/td>\r\n<\/tr>\r\n
Nagy vagy k\u00f6zepes vill\u00e1ms\u0171r\u0171s\u00e9g<\/td>\r\n10-20 kA<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
Alacsony vill\u00e1ms\u0171r\u0171s\u00e9g vagy m\u00e1sodlagos SPD<\/td>\r\n5 kA<\/td>\r\nBR-15DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nA v\u00e9delmi szint kiv\u00e1laszt\u00e1sa 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
K\u00f6r\u00fclm\u00e9nyek<\/strong><\/td>\r\nAj\u00e1nlott fel<\/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 a telep\u00edt\u00e9s bej\u00e1rat\u00e1n\u00e1l<\/td>\r\n2,5 kV max.<\/td>\r\n1,5 kV max.<\/td>\r\n<\/tr>\r\n
Elektromechanikus v\u00e9dett berendez\u00e9sek<\/td>\r\n2,5 kV<\/td>\r\n1,5 kV<\/td>\r\n<\/tr>\r\n
Elektronikus alap\u00fa v\u00e9dett berendez\u00e9sek<\/td>\r\n1,5 kV<\/td>\r\n0,8 kV<\/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\/hu\/wp-json\/wp\/v2\/blog\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/media\/826"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/media?parent=825"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/hu\/wp-json\/wp\/v2\/blog_category?post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}