A push switch is a momentary or non-latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. An automatic mechanism (ie a spring) returns the switch to its default position immediately afterwards, restoring the initial circuit condition. There are two types:
- A push to make switch allows electricity to flow between its two contacts when held in. When the button is released, the circuit is broken.
- A push to break switch does the opposite, i.e when the button is not pressed, electricity can flow, but when it is pressed the circuit is broken.
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