... ,MOQ:1 pcs 4,CE,ROSH,CCC can be offer Vacuum circuit breaker rated voltage:3.6kV to 24kVAir insulation and Sealed poleFixed ... )630630160040001250125020005000 16002500 20003150 25004000 3150 Rated short circuit breaking current(KA)20,2531.54550Rated short circuit making current(peak)(KA)50,6380100125Rated ...