... of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P 2.Rated Current (A):1, 2, 3, 4, 6, 10 ... ,100 Number of Poles1P, 1P+N, 2P, 3P, 3P+N, 4P Rated Current (A)1, 2, 3, 4, 6, 10, ... 25, 32, 40,50,63,10050, 63100Breaking Capacity (A)600045004-10KARated Voltage (V)230/400Rated Frequency50/60HzEndurance>/=4000Circumstance Temperature ... IEC/EN60898 GB 10963 MCB mini circuit breaker MCCB RCCB earth leakage circuit breaker