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NBSe DDC RCBO 4P Differential Circuit Breaker 30-60A 500mA 30-45-60A, 4 pole rcbo 1. Specification and Configuration POLE: 2P, 4P Ue: 230/400V In: 5-15A(5, 10, 15)A; 10-30A(10, 20, 30)A; 10-30A(10, 15...