brief introduction： Selector switch: A switching device that combines the functions of a tap selector and a switch and can carry current on and off. Selector switch principle: switch is a multi - level, control multi - loop main circuit. Selector switch is mainly used for various control line conversion, voltmeter, ammeter reversing measurement control, distribution device line conversion and remote control, etc. The selector switch can also be used to directly control the starting, speed regulation and reversing o

Selector Switches

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