... 3P, 3P+N, 4P 2.Rated Current (A):1, 2, 3, 4, 6, 10, 16, 20,25, 32, 40, 50 ... 2P, 3P, 3P+N, 4P Rated Current (A)1, 2, 3, 4, 6, 10, 16, 20,25, 32, 40,50 ... less than 20000 operationsProtection DegreeIP20certificateCEMagnetic releases operateB curve: between 3 and 5 InC curve: between 5 and 10 InD ... mounting Standards: IEC/EN60898 GB 10963 MCB mini circuit breaker MCCB RCCB earth leakage circuit breaker