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
