{"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\/pl\/blog\/how-to-choose-surge-protection-devices\/","title":{"rendered":"Jak wybra\u0107 urz\u0105dzenia przeciwprzepi\u0119ciowe?"},"content":{"rendered":"Wyb\u00f3r ogranicznik\u00f3w przepi\u0119\u0107<\/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\nWyb\u00f3r rodzaju ogranicznik\u00f3w przepi\u0119\u0107<\/strong>\r\n\r\nRodzaj ogranicznika przepi\u0119\u0107 zale\u017cy od jego lokalizacji i ogranicze\u0144 chronionej instalacji.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Konfiguracja<\/strong><\/td>\r\nSPD<\/strong><\/td>\r\nLokalizacja<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Instalacja wyposa\u017cona w LPS lub nara\u017cona na uderzenie pioruna<\/td>\r\nType 1+2 \r\n\r\nType 1+2+3<\/td>\r\nPochodzenie pochodzenia instalacji (panel lub rozdzielnica g\u0142\u00f3wna)<\/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
Instalacja bez LPS<\/td>\r\nType 2 \r\n\r\nType 2+3<\/td>\r\nrozdzielnica g\u0142\u00f3wna<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
Zabezpieczenie wt\u00f3rne (pierwotny SPD za urz\u0105dzeniem)<\/td>\r\nType 2 \r\n\r\n(or Type 3)<\/td>\r\nw pobli\u017cu chronionego sprz\u0119tu<\/td>\r\nBR-40DP \r\n\r\nBR-20DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nWyb\u00f3r napi\u0119\u0107 roboczych Uc i 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\nNapi\u0119cie robocze Uc (linia\/uziemienie)<\/strong>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Sie\u0107 AC<\/td>\r\n230\/400 V<\/td>\r\n120\/208 V<\/td>\r\n<\/tr>\r\n
System klimatyzacji<\/td>\r\nTT<\/td>\r\nTN<\/td>\r\nTO<\/td>\r\nTN<\/td>\r\n<\/tr>\r\n
Napi\u0119cie Uc mini<\/td>\r\n255 V<\/td>\r\n255 V<\/td>\r\n440 V<\/td>\r\n135 V<\/td>\r\n<\/tr>\r\n
Napi\u0119cie 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\nWyb\u00f3r Iimpa<\/strong>\r\n\r\nPr\u0105d impulsowy Iimp jest zdefiniowany dla SPD typu 1. Minimalna warto\u015b\u0107 znamionowa dla Iimp wynosi 12,5 kA na biegun, zgodnie z norm\u0105 IEC 60364-5-534. Poziom ten jest dostosowany do rzeczywistego zjawiska. Warto\u015b\u0107 t\u0119 mo\u017cna jednak zwi\u0119kszy\u0107 w zale\u017cno\u015bci od ryzyka (obliczenia zgodnie z EN 62305-1). BRITEC oferuje w swoim asortymencie SPD typu 1 3 poziomy pr\u0105du Iimp na biegun: 12,5 kA, 25 kA i 50 kA.\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Konfiguracja<\/strong><\/td>\r\nIimp\/biegun<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Maksymalne ryzyko<\/td>\r\n50kA<\/td>\r\nBR-50GR<\/td>\r\n<\/tr>\r\n
Bardzo du\u017ca g\u0119sto\u015b\u0107 wy\u0142adowa\u0144 atmosferycznych Z\u0142e uziemienie<\/td>\r\n25 kA<\/td>\r\nBR-25GR \r\n\r\nBR-25M<\/td>\r\n<\/tr>\r\n
Wysoka, \u015brednia lub niska g\u0119sto\u015b\u0107 wy\u0142adowa\u0144 atmosferycznych<\/td>\r\n12,5 kA<\/td>\r\nBR-12,5M<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nWyb\u00f3r pr\u0105du<\/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
Warunki<\/strong><\/td>\r\nW<\/strong><\/td>\r\nBRITEC<\/strong><\/td>\r\n<\/tr>\r\n
Bardzo du\u017ca g\u0119sto\u015b\u0107 piorun\u00f3w<\/td>\r\n> 20 kA<\/td>\r\nBR-60 \r\n\r\nBR-70<\/td>\r\n<\/tr>\r\n
Wysoka lub \u015brednia g\u0119sto\u015b\u0107 wy\u0142adowa\u0144 atmosferycznych<\/td>\r\n10-20 kA<\/td>\r\nBR-40 \r\n\r\nBR-20<\/td>\r\n<\/tr>\r\n
Niska g\u0119sto\u015b\u0107 wy\u0142adowa\u0144 atmosferycznych lub wt\u00f3rny SPD<\/td>\r\n5 kA<\/td>\r\nBR-15DP<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\nWyb\u00f3r poziomu ochrony 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
Warunki<\/strong><\/td>\r\nPolecane<\/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 przy wej\u015bciu do instalacji<\/td>\r\nmaks. 2,5 kV.<\/td>\r\nmaks. 1,5 kV.<\/td>\r\n<\/tr>\r\n
Sprz\u0119t chroniony elektromechanicznie<\/td>\r\n2,5 kV<\/td>\r\n1,5 kV<\/td>\r\n<\/tr>\r\n
Sprz\u0119t chroniony elektronicznie<\/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\/pl\/wp-json\/wp\/v2\/blog\/825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/media\/826"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/media?parent=825"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/pl\/wp-json\/wp\/v2\/blog_category?post=825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}