Indoor high voltage disconnecting switch GN22-12(C)
GN22-12(C) series indoor HV disconnecting switch
Rated voltage 12KV
Rated Current 1600-2000A
General
GN22-12(C) series indoor high voltage disconneCTing switch is suitable for indoor equipment of three- phase , AC50Hz, with rated voltage 12KV. It is mainly used for circuit switching on or off of high voltage equipment in the condition with voltage but without load.
Item | Unit | Parameters | ||
Rated voltage | KV | 12 | ||
Rated Frequency | Hz | 50 | ||
Rated Current | A | 1600-2000 | 2500-3150 | |
Rated short-time withstand current | KA | 40 | 50 | |
Rated peak withstand current | KA | 100 | 125 | |
Rated short duration | S | 4 | ||
Rated insulation level | 1min power frequency withstand voltage | KV | Pole to pole、pole to earth42fracture49 | |
lightning impulse withstand current(peak value) | KV | Pole to pole、pole to earth75fracture85 | ||
Outline and mounting dimension
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