5SM3646-5KK14
Reference : 5SM3646-5KK14
Residual current operated circuit breaker, 4-pole, type B+, selective, In: 63 A, 300 mA, Un AC: 400 V
Reference : 5SM3646-5KK14
Residual current operated circuit breaker, 4-pole, type B+, selective, In: 63 A, 300 mA, Un AC: 400 V