... . 430 employees,15000 square meter factory Product DescriptionCDSM1 series moulded case circuit breakers are one of the new breakers designed and ... 690V and rated working current up to 800A. It is used to protect circuits and powersupply equipment form damage of overload ... , under-voltage, short-circuit etc, can also be used for infrequent start of motor and provide overload, short circuit ...