广州3TB40010XM1西门子接触器供应商 3TB44220XF0

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电路的装置，所以经常运用于电动机做为控制对象﹐也可用作控制工厂设备﹑电热器﹑工作母机和各样电力机组等电力负载，接触器不仅能接通和切断电路，而且还具有低电压释放保护作用。接触器控制容量大，适用于频繁操作和远距离控制,是自动控制系统中的重要元件之一。
在工业电气中，接触器的型号很多，工作电流在5A-1000A的不等，其用处相当广泛
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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较的同性相斥、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。
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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较的同性相斥、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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