80年代后，各国研究交流接触器电磁铁的无声和节电，基本的可行方案之一是将交流电源用变压器降压后，再经内部整流器转变成直流电源后供电，但此复杂控制方式并不多见。
真空接触器：真空接触器是接点系统采用真空消磁室的接触器。
半导体接触器：半导体接触器是一种通过改变电路回路的导通状态和断路状态而完成电流操作的接触器。
永磁接触器：永磁交流接触器是利用磁极的同性相斥、相吸的原理，用永磁驱动机构取代传统的电磁铁驱动机构而形成的一种微功耗接触器。3TH40220XL2
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按主触点连接回路的形式分为：直
接触器（图5）
接触器（图5）
流接触器、交流接触器。
按操作机构分为：电磁式接触器、永磁式接触器。
永磁交流接触器是利用磁极的同性相斥、用永磁驱动机构取代传统的电磁铁驱动机构而形成的一种微功耗接触器国内成熟的产品型号：CJ20J、NSFC1、NSFC2、NSFC3、NSFC4、NSFC5、NSFC12、NSFC19、CJ40J、NSFMR。3TH42441XA4
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//r2amq.com