Control system is an important part of contactor with permanent magnet actuator and it will influence the characteristic of contactor.
控制系统是永磁机构接触器的重要组成部分，其控制方案的优劣直接影响到整个接触器的性能。
The original K - F - D system was replaced by SCR - D system for main transmission, while PLC was substituted for the original relay contactor control mede.
即主传动系统由SCR-D取代原K-F-D系统，电控部分用可编程序控制器PLC取代原继电器-接触器控制方式。
Breaker and contactor should have one pair of spare contacts so that signals can be sent to the control system.
断路器和接触器应至少有一对备用触点以便向控制系统传送信号。
Breaker and contactor should have one pair of spare contacts so that signals can be sent to the control system.
断路器和接触器应至少有一对备用触点以便向控制系统传送信号。
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