LCM2X series moulded case circuit breaker is one of breaker which adopts international advanced design, manufacture technology to develop. The rated insulating voltage is 750V, suitable for AC 50 Hz(60Hz), rated working voltage 690V or below, rated working current is 12.5A to 630A of circuit and used in distributing electric energy, and non-frequent breaking in the normal conditions, protecting the current & equipment from overload & under voltage, circuit breaker with rated frame current 400A or below, can be used in mousecage motor’s non-frequent start···