接触器主要用于交流50Hz或60Hz，额定电压660V及以下，额定电流（AC-3类别380V时）9～95A的电路中，供远距离接通和分断电路及频繁控制交流电动机或其他用电设备。接触器可积木式的加装，热继电器，辅助触头组，空气延时头，机械联锁机构等附件。以满足电路的不同需要。
LC1- D series AC contactor is suitable for use in the circuit up to the rated voltage 660V AC 60Hz or 60Hz, rated current 95A, for making and breaking and frequent starting, controling the AC motor, combined with the auxiliary contact group, air delayer, machine-interlocking device, etc, it is combined into the delay contactor, mechanical interlocking contactor, star-delta starter, with the thermal relay, it is combined into the electromagnetic starter.
