The LP1-D series DC-actuated AC contactor(abbreviated to contactor after)series at the circuit of rated frequency of 50Hz or 60Hz, rated voltage of up to 660V and rated current of 9-95A in case of the use category AC-3 of 380V to control circuit in the remote or make and break other apparatus, and frequently actuate the motor. Such accessories as auxiliary contact group, air time-delay mechanism and thermal relay, etc. (the installation to that of 40A and above is vertical)can join it like blocks. The contactor features stable operation, smallpick-up current, silent operation.