Specification of BKS A 10kA & BKS B 20kA SURGE PROTECTIVE DEVICE
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Surge Arrester
Product Rating
BKS-A
BKS-B
Pole
1, 2, 3, 4 Pole Rated system voltage, Un AC [V]
220V 220/380V Maximum continuous operating voltage, Uc AC [V]
320V 320V Voltage protection level, Up [kV] ≤ 1.0kV ≤ 1.2kV Maximum discharge current, Imax(8/20㎲)
[kA, per mode] 10kA 20kA Response time, ns < 25 ns Usable ambient temperature, ℃ -40 ~ +80℃ Usable frequency, Hz 50/60Hz Attachment type DIN-rail attachment type Operation status indication window Normal operation : Green LED lighting, Abnormal / After an accident : Red lighting Min. terminal connection 1 Phase and Neutral 2.5, Earth 4 Protection class Class III Class II
Alarm Contact No No No No No Yes Yes
