JMBX Series moulded case circuit breaker is oneof new type breakers which our company adoptsinternational advanced design , man ufacturetechn ology to develop. The rated insulating voltage is 950V. Suitable for AC 50Hz (60Hz).Rated working voltage 690V or below, ratedworking current is 12.5A to 630A of circuit andused in distributing electric energy. Non-frequent

making and breaking in the normal conditionsand protecting when circuit and installation areoverload, short circuit and lacking voltage. Ratedshell-rack and the breaker whose current is under400A, take protection effect when mouse cagemotor's non-frequent start, breaking off workingand protecting form overload, short circuitand lacking voltage. The product conforms to

GB14048.2, IEC 60947-2 standards.