YCM3 MCCB moulded case circuit breaker is one of the most advanced type breaker in the world, which adopts international advanced design and manufactural technology. They are suitable for short circuit and overload protection in circuit of AC690V 50/60Hz, rated current from 12.5A to 630A. Its rated operating voltage is 690V. It can make and break the unfrequent circuit under normal conditions. It takes protective effect when squirell-cage motors unfrequently start, making&breaking and protecting against overload, short circuit and lacking voltage.
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