What types of push button switches

来源:Dongguan Yanghan Industrial Co., Ltd.  时间:2022-05-26

What is a push button switch? The structure of the push button switch is actually very simple and widely used. This is a switch that is used to manually issue an operating signal to operate a contactor, electromagnetic brake or relay. The button switch can complete the basic control of stopping, advancing and retreating and shifting. Generally, each switch has two pairs of contacts, and each pair of contacts has a normally open contact and a normally closed contact.
What types of push button switches are there? The button switch mainly includes the following contents: open type, shield, waterproof, anti-corrosion type, explosion-proof type, knob type, button type, emergency situation and so on. Open, this push button switch is more suitable for piercing and fixing on the switch board, control cabinet or the panel of the console, the code is K. Shield, refers to the cover of the case to prevent internal damage, code-named H. Waterproof, switch with sealed case to prevent rain intrusion, code S. Anti-corrosion type, this switch can prevent the intrusion of chemical corrosive gas, the code is F. Explosion-proof type, this type of switch is more suitable for mines and other places, which can prevent blasting damage. The code is B. Knob type, suitable for panel installations, because of the two orientations, the rotation can be manually used as an operating contact, the code is X. Key type, this push button switch is designed to prevent accidental operation by others, or only by professionals, the code is Y. Emergency, this push button switch is suitable for emergency, code is J. Well, there is also a switch, which is a combination of multiple types, combining multiple push-button switches, together with the control function, code E. Finally, there is a light button switch, a signal light is installed in the switch button, which is mainly used to issue some operation instructions or commands, etc., the code is D.
In fact, depending on the environment of the application, the type of switch will have different functions. There are several types of pushbutton switches that can be fully enumerated, and each type has a specific function.