The miniature push button switch is generally composed of a button cap, a return spring, a bridge movable contact, a static contact, a strut link and a housing.
The miniature push button switch is not divided by the external force (that is, static) and is divided into a start button (ie, a normally open button), a stop button (a normally closed button), and a composite button (ie, a normally open, normally closed contact). The head is combined into one button). For the push button starter, when the button cap is pressed, the contact is closed. After the button is released, the contact is automatically disconnected and reset; the push to open switch is the opposite. When the button cap is pressed, the contact is separated and the contact is automatically closed after the button cap is released. Reset. The compound button is when the button cap is pressed, and the bridge type movable contact moves downwards, so that the normally open contact is disconnected before the normally open contact is closed; when the button cap is released, the normally open contact is opened first After breaking reset, normally open the contact and then close the reset.