DZ47BLE-125 series leakage circuit breaker is suitable for -Ac 50Hz/60Hz, rated voltage unipolar two-wire, two-pole 230V, three-pole,four-wire, four-pole 400v, rated current from 63A to 125A, when the human body is electric shock or power grid When the leakage currentexceeds the specified value, the residual current operated circuit breaker can quickly cut off the faulty power supply in a very short periodof time, protect the safety of personal and electrical equipment, protect the overload or short circuit of the line and the motor, or act as aninfrequent line,conversion and infrequent starting of the motor.