Project | Parameter | Unit |
Rated voltage | 6.3 12 | KV |
Rated current | 630 1250 1600 2000 2500 3150 4000 | A |
Rated frequency | 50 60 | HZ |
Rated current of switchgear | 630 1250 1600 2000 2500 3150 4000 | A |
Circuit breaker rated current | 630 1250 1600 2000 2500 3150 4000 | A |
Rated short-time withstand current | 16 20 25 31.5 40 | KA/4S |
Rated peak withstand current | 40 50 63 80 100 | KA |
Rated short-circuit breaking current | 16 20 25 31.5 40 | KA |
Rated short-circuit making current | 40 50 63 80 100 | KA |
Rated insulation level power frequency withstand voltage | Phase-phase-phase-ground 42KV/1min Break 48KV/1min |
|
Lightning impulse withstand voltage | Phase-phase-phase-ground 75KV/1min Break 85KV/1min |
|
Circuit breaker service life | 10000 | times |
Protection level | Housing IP4X Compartment and circuit breaker door open IP2X |
|
Ambient temperature and humidity | -15℃~40℃ Daily average less than 95% Monthly average less than 90% |
|
Altitude | No more than 2000 | Rice |