{"product_id":"ls-electric-bk-series-surge-protective-device","title":"LS Electric BK Series Surge Protective Device (DIN-rail and Box)","description":"\u003cp class=\"ps-intro\"\u003eLS Electric BK series surge protective devices for AC and DC distribution, in plug-in DIN-rail (Class I, II, III) and enclosed box versions.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003eAC DIN-rail models BK05S-T3 (Class III), BK10S\/20S\/30S\/40S-T2 (Class II) and BK12S-T1 (Class I, Iimp 12.5 kA)\u003c\/li\u003e\n\u003cli\u003eUc 385 V, 460 V or 275 V AC versions; 1P, 1P+N, 2P, 3P, 3P+N and 4P configurations\u003c\/li\u003e\n\u003cli\u003eDC DIN-rail models BK20S-DC110\/600\/1000\/1500 for DC systems up to 1500 V\u003c\/li\u003e\n\u003cli\u003eBox-type BK20SB-T2 and BK40SB-T2 with integrated wiring for 2W+G, 3W+G and 4W+G systems\u003c\/li\u003e\n\u003cli\u003eStatus indicator flags failure; remote alarm (AL) contact selectable at order\u003c\/li\u003e\n\u003cli\u003eResponse time under 25 ns; operating temperature -40 to 80 C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eIEC 61643-11, KS C IEC 61643-11, UL1449\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResponse time\u003c\/th\u003e\n\u003ctd\u003e\u0026lt; 25 ns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRated frequency (AC)\u003c\/th\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-40 to 80 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStatus indication\u003c\/th\u003e\n\u003ctd\u003eYes (mechanical flag \/ LED)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptions\u003c\/th\u003e\n\u003ctd\u003eAL remote alarm contact (order with SPD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification variant\u003c\/th\u003e\n\u003ctd\u003eUL\/S or CE\/KS version, specify at order\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEarthing systems\u003c\/th\u003e\n\u003ctd\u003eTN; TT for 1P+N and 3P+N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMatching disconnector\u003c\/th\u003e\n\u003ctd\u003eSD10\/20\/30\/40-T2, SD13-T1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eLS Electric Surge Protective Device catalog C01551-07 (2025-10), p. 4-13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK05S-T32P385V10kV\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class III | Poles: 2P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Uoc 10 kV, Imax 5 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK05S-T34P385V10kV\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class III | Poles: 4P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Uoc 10 kV, Imax 5 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T21P385V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T21P+N385V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T22P385V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T23P385V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T23P+N385V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T24P385V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T21P385V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T21P+N385V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T22P385V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T23P385V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T23P+N385V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T24P385V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T21P385V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T21P+N385V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T22P385V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T23P385V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T23P+N385V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T24P385V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T21P385V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T21P+N385V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T22P385V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T23P385V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T23P+N385V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T24P385V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK12S-T11P385V50kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class I | Poles: 1P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Iimp 12.5 kA (10\/350)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK12S-T11P+N385V50kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class I | Poles: 1P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Iimp 12.5 kA (10\/350)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK12S-T12P385V50kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class I | Poles: 2P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Iimp 12.5 kA (10\/350)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK12S-T13P385V50kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class I | Poles: 3P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Iimp 12.5 kA (10\/350)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK12S-T13P+N385V50kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class I | Poles: 3P+N | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Iimp 12.5 kA (10\/350)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK12S-T14P385V50kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class I | Poles: 4P | Uc \/ Un: 385 V \/ 220\/380 V | Discharge current: Iimp 12.5 kA (10\/350)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T21P460V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T21P+N460V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T22P460V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T23P460V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T23P+N460V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK10S-T24P460V20kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 10 kA \/ Imax 20 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T21P460V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T21P+N460V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T22P460V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T23P460V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T23P+N460V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T24P460V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T21P460V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T21P+N460V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T22P460V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T23P460V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T23P+N460V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK30S-T24P460V60kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 30 kA \/ Imax 60 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T21P460V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T21P+N460V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T22P460V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T23P460V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T23P+N460V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40S-T24P460V80kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 460 V \/ 254\/440 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T21P275V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P | Uc \/ Un: 275 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T21P+N275V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 1P+N | Uc \/ Un: 275 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T22P275V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: 275 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T23P275V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: 275 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T23P+N275V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 3P+N | Uc \/ Un: 275 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-T24P275V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: AC DIN-rail | Class: Class II | Poles: 4P | Uc \/ Un: 275 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-DC1102P220V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: DC DIN-rail | Class: Class II | Poles: 2P | Uc \/ Un: DC 110 V \/ Uc 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-DC6003P700V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: DC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: DC 600 V \/ Uc 700 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-DC10003P1200V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: DC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: DC 1000 V \/ Uc 1200 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20S-DC15003P1800V40kA\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: DC DIN-rail | Class: Class II | Poles: 3P | Uc \/ Un: DC 1500 V \/ Uc 1500 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20SB-T21P+N220V40kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 1P+N (2W+G) | Uc \/ Un: 385 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20SB-T23P220V40kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P (3W+G) | Uc \/ Un: 385 V \/ 220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20SB-T23P380V40kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P (3W+G) | Uc \/ Un: 385 V \/ 380 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20SB-T23P+N380\/220V40kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P+N (4W+G) | Uc \/ Un: 385 V \/ 380\/220 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20SB-T23P440V40kA460V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P (3W+G) | Uc \/ Un: 460 V \/ 440 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK20SB-T23P+N440\/254V40kA460V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P+N (4W+G) | Uc \/ Un: 460 V \/ 440\/254 V | Discharge current: In 20 kA \/ Imax 40 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40SB-T21P+N220V80kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 1P+N (2W+G) | Uc \/ Un: 385 V \/ 220 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40SB-T23P220V80kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P (3W+G) | Uc \/ Un: 385 V \/ 220 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40SB-T23P380V80kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P (3W+G) | Uc \/ Un: 385 V \/ 380 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40SB-T23P+N380\/220V80kA385V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P+N (4W+G) | Uc \/ Un: 385 V \/ 380\/220 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40SB-T23P440V80kA460V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P (3W+G) | Uc \/ Un: 460 V \/ 440 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBK40SB-T23P+N440\/254V80kA460V\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Box (enclosed) | Class: Class II | Poles: 3P+N (4W+G) | Uc \/ Un: 460 V \/ 440\/254 V | Discharge current: In 40 kA \/ Imax 80 kA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"LS Electric","offers":[{"title":"Default Title","offer_id":67521968210210,"sku":"BK05S-T32P385V10kV","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/ls-electric-bk-series-surge-protective-device.jpg?v=1791954613","url":"https:\/\/prosourcemro.com\/products\/ls-electric-bk-series-surge-protective-device","provider":"ProSource MRO","version":"1.0","type":"link"}