BKS A 10kA & BKS B 20kA SURGE PROTECTIVE DEVICE

Specification of

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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