Push button on off switch has successfully entered the field of electrical automation control
Push button on off switch is a kind of main electric appliance with simple structure and wide application. In the electrical automatic control circuit, it is used to manually send out control signals to control contactors, relays, electromagnetic starters, and the like.
Push button on off switch has many types of structures, such as ordinary button type, mushroom head type, self-locking type, self-resetting type, rotary handle type, with indicator light, illuminated symbol and key type, etc. Button, double button, three button and different combinations, generally adopting modular structure, consisting of button cap, return spring, bridge contact and outer casing, etc., usually made of composite type, with a pair of normally closed contacts and normally open Contacts, some products can increase the number of contacts by connecting multiple components in series. There is also a self-contained button that automatically holds the closed position when pressed and can only be turned on after a power failure.
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