This series of circuit breakers is suitable for low voltage distribution system. lts ratedinsulation voltage is 800V, suitable for Ac 50Hz, rated working voltage to 690V, rated currentto 800A circuit for infrequent conversion and motor infrequent start. The circuit breaker hasover voltage protection, under voltage protection, lack of phase protection, overload loncdelay inverse time, short circuit short delay inverse time, short circuit short delay fixed timeshort circuit instantaneous and under voltage protection, leakage trip protectioncommunication function, can protect the line and power equipment from damage.The product meets the standard: GB 14048.2

DL/T 2018 Communication protocol for moulded case circuit breakers