ABB 模块化接触器 AS09-30-10-25M*220V50/60HZ
ABB+品牌+原装正品+库存现货=低价销售
一、接触器工作原理- -简介
First, the working principle of contactor -- Brief Introduction
接触器是指工业电中利用线圈流过电流产生磁场,使得触头闭合,从而可以控制负载的一种电器。由于其可快速切断主回路,并可频繁地接通与大电流控制电路的装置,因此在电工学中已得到广泛的应用。
A contactor is an electrical appliance in industrial electricity that uses a coil to produce a magnetic field that causes the contact to be closed, so that the load can be controlled. It has been widely used in Electrotechnics because it can quickly cut off the main circuit and frequently connect with the large current control circuit.
二、接触器工作原理- -分类
Two, the working principle of contactor -- Classification
接触器按主触点连接回路的形式可分为直流接触器和交流接触器。其中,直流接触器采用模块化设计,力图以最少的零件完成客户要求,如所需触点路数、触点形式等。直流接触器触点开断电压高,并采用横吹磁场灭弧,适用于程控电源、不间断电源系统、工程机械系统等。
The contactor can be divided into a DC contactor and an AC contactor in the form of the main contact circuit. The DC contactor adopts modular design, trying to take the minimal parts to complete customer requirements, such as the required number of contacts and contact form etc.. The contacts of DC contactor have high interruption voltage and use horizontal blowing magnetic field to extinguish arc. It is suitable for program controlled power supply, uninterrupted power supply system, engineering machinery system and so on.
接触器按操作机构可分为电磁式接触器和永磁式接触器。其中,永磁式接触器利用的是磁极的同性相斥,是一种采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,目前国内已有很多此类的成熟产品,如CJ20J、NSFC1、NSFC2等。
According to the operation mechanism of contactor can be divided into electromagnetic contactor and permanent magnet contactor. The permanent magnet contactor is the use of magnetic repulsion, is using a permanent magnet drive mechanism to replace the traditional electromagnet drive mechanism and the formation of a micro power contactor, there are many mature products such as CJ20J, at present, NSFC1, NSFC2 etc..
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