ID RCCB :2P,4P, Rated Current:16A,25A,32A,40A,63A, Rated Voltage: ... .1mA,0.3mA,0.5mA Type MG series Residual Current Circuit Breaker without Over current protection is in conformity with the standards ... caused by earth leakage. And it also can be use for unfrequent switch over of circuits under normal conditions. Residual Current Circuit Breaker