It is an accessory for long-distance automatic opening and closing circuit breakers. The electric operating mechanism has two kinds of motor operating mechanism and electromagnet operating mechanism. The motor operating mechanism is a molded case circuit breaker frame rated current 400A and above. And universal circuit breaker, electromagnet operating mechanism is suitable for molded case circuit breaker frame rated rated current 225A and below, whether it is electromagnet or electric motor, their suction and rotation directions are the same, only by electric operation The position of the cam inside the mechanism is to reach the combined and divided points. When the circuit breaker is operated by the motor-driven mechanism, the circuit breaker should be reliably closed at any voltage between 85% and 110% of the rated control voltage.
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