DZ48N-63 miniature circuit breaker is applicable to a line of AC ... in double, three, four pole 1.Application DZ48N-63 miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, ... , three, four poles for protecting overload and short circuit, and rated cur-rent up to 63A. It ... 50,63Rated voltage(V)230400Type of instantaneous releaseCDCDRated short circuit breaking capacity Icn(KA)1-40A: 650-63A: ...