... CE,CB,Semko,VDE, CCC, ISO9001 SpecificationsMCB 1.Number of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P 2 ... series products of pure electromagnetic earth leakage circuit breakers provide the reliable guarantee for your safe family power utilization with the perfect ... design and superior performance Residual current circuit breaker,rccb, ...