YFM1 series molded case circuit breaker (hereinafter referred to as circuit breaker) is oneof the new circuit breakers desianed and developed by the company comprehensively usinginternational advanced technology. its rated insulation voltage is 800V, suitable for AC 50Hzor 60Hz, rated working voltage to 690V, rated current to 800A distribution network circuit.used to distribute power and protect lines and power equipment from overload, short circuit.undervoltage and other faults damage. At the same time, it can also be used as the motor'sinfrequent starting and overload, short circuit, undervoltage protection.
