Good quality Reasonable price High breaking, zero over Rated voltage, current: up to 400V, 100A CE, ISO9001 SpecificationsMCB 1. ... Number of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P 2.Rated Current (A):1, 2, 3, 4, 6 ... 50,63 ,100 Number of Poles1P, 1P+N, 2P, 3P, 3P+N, 4P Rated Current (A)1, 2, 3, 4, 6, ... mounting Standards: IEC/EN60898 GB 10963 MCB mini circuit breaker MCCB RCCB earth leakage circuit breaker