... 1.Number of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P 2.Rated Current (A):1, 2, 3, 4, 6, 10, 16 ... , 50,63 ,100 Number of Poles1P, 1P+N, 2P, 3P, 3P+N, 4P Rated Current (A)1, 2, 3, 4, 6, 10, 16 ... guarantee for your safe family power utilization with the perfect design and superior performance Residual current circuit breaker,rccb,rcbUKL1-2P 4PRated voltage:250/415V ...