Application

It is applied in the circuit of AC50Hz or 60Hz, rated current from 16A to 630A, i nsulation voltage 750V,rated operating voltage 690V or below, and it  s mainly used for LV distribution network to distribute the electric energy and protect the circuit and power device from overload ,short- circuit ,under-voltage, grouding fault and so on .By speci al release,it can be used as starting protection circuit breaker of the motor. It accords with IEC 60947-2 standard.

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