LC1D contactor, used for AC 50Hz or 60Hz, AC voltage up to 660V (690V), when the working voltage is 380V under the AC-3 use category, the rated working current is up to 170A, for long-distance making and breaking the circuit. It can be used and can be combined with a thermal relay of the corresponding specification to form a magnetic starter to protect the circuit that may be overloaded. The contactor is suitable for frequent starting and control of AC motors.