Detailed Product Description DPX series molded case circuit breaker(circuit breaker,mccb)1.ApplicationDPX series mouled case circuit breaker applies to the circuit with AC50/60Hz,rated insulation voltage 690V or below,and rated current of 250A.It alao can be used as unfrequent conversion of line and unfrequency,overload protection,short circuit protection and over-voltage protection device.2. ...