NS series moulded case circuit breaker is one of the most advanced type breakers in the world,which adopt international advanced design and manufacture technolgy. They are suitable for shortcircuit and overload protection for circuit of AC 690V 50/60HZ, rated current from 12.5A to 630A. It takes protect effect when mouse cage motors non-frequent start, breaking off working and protecting
overload, short circuit and lacking voltage.