描述
The ZMM1 series molded case circuit breakers (hereinafter referred to as “circuit breakers”) are one of the new-type circuit breakers developed by our company using mature design and manufacturing technologies. With a rated insulation voltage of 800V, they are suitable for circuits with an alternating current of 50Hz, a rated operating voltage of 690V and below (400V for ZMM1-63), and a rated operating current up to 800A, used for infrequent conversion and infrequent starting of motors. The circuit breakers have overload, short-circuit, and undervoltage protection functions, which can protect the circuits and power supply equipment from damage
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