ABB 接触器，小型可逆接触器 VB*24V 40-450Hz
接触器是一种用来接通或断开带负载的交直流主电路或大容量控制电路的自动化切换器，主要控制对象是电动机，此外也用于其他电力负载，如电热器，电焊机，照明设备，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。
The contactor is a device used to connect or disconnect the AC / DC main circuit load or large volume control circuit of automatic switcher, the main control object is a motor, in addition to other power load used, such as electric heaters, electric welder, lighting equipment, contactor can not only connect and disconnect the circuit, but also has the protective effect of low voltage release /. The contactor has a large control capacity. It is suitable for frequent operation and long distance control. It is one of the most important components in the automatic control system.
接触器的规格很多从10A----到250A的规格都有.也不是非要用它来控制比较大的 电流,这是要看设备所需要的自动控制程度和设备的自身容量而定的...
There are many specifications for contactors, ranging from 10A---- to 250A. Nor is it necessary to control larger currents, depending on the degree of automation and the capacity of the equipment.
与接触器内部牵引磁铁相连接的可以做上下运动的触头叫动触头,也叫触桥,静止不动的触头叫静触头,它们 的作用是切断.和接通电路的,
The contact contact with the traction magnet of the contactor can move up and down, and also is called contact bridge. The static contact is called static contact, whose function is to cut off and connect the circuit.
辅助触头的作用是根据接触器的自动控制程度的大小.来用辅助触头进行互锁（自锁）的.和自行控制接触器的启动.和停止的.还可以用它接一些信号指示灯,来指示接触器,和设备的工作情况,的.,它不是什么复杂的电器,你要是有电工基础自己拆开来,一看就会明白的,,,,....
Auxiliary contact is controlled automatically according to the degree of contactor size. To interlock with the auxiliary contact (self-locking). And to control the start and stop of the contactor.. you can also use it to pick up some signal lights, indicating contactor, working conditions and equipment. It is not complicated, what the electrical appliances, if you have their own electrician basis apart, one will understand,,,.,...