JDM1(CM1) series molded case circuit breaker
(hereinafter referred to as circuit breaker)is suitable for distribution network of AC50Hz(or 60Hz), rated working voltage 690V(JDM1-63 is 500V) and below, rated current 1250A and below, used to distribute the electric energy and protect the circuitry and power unit against overload, under-voltage or short-circuit. Circuit breakers whose frame size is 400A below also can be protect the motor overload, under-voltage or short-circuit. In addition, it can be used to switch the circuitry and start the motor infrequently.
The products comply with IEC60947-2, they can be vertically installed or horizontally installed.