DZ20 series molded case circuit breaker and DZ20W no-flashover circuit breaker (hereinafter referred to as circuit breaker) are

 moulded case circuit breaker

DZ20 series molded case circuit breaker and DZ20W no-flashover circuit breaker (hereinafter referred to as circuit breaker) are suitable for distributing line of AC 50Hz (or 60Hz), rated current 1250A, rated insulation voltage 690V and rated working voltage 380 (400)V or below, used to distribute electric energy and protect circuit and power equipment against overload, short circuit and under voltage. Hereinto, type Y, J, G circuit breakers of rated current 225A and type Y circuit breakers of rated current 400A and below also can be used to protect motor. Under normal condition, they also can be applied to switching circuit and starting the motor infrequently respectively. The products are in conformity with such standards as GB 14048.2, GB 14048.4, IEC 60947-2 and IEC 60947-4.

moulded case circuit breaker