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Door exit button

rjenkinsgb

Well-Known Member
Most Helpful Member
It's just a momentary operation push switch. The contact is closed while the button is pressed.

When connected in as part of an entry control system, it can be used to trigger a lock release so people can leave a secured area without using a keycard or other entry control device.

Any other momentary push switch could do the same thing, that's just one labelled for that specific use.
 

MaxHeadRoom78

Well-Known Member
Most Helpful Member
They are often made as a rugged version of a simple PB, as in types intended for the disabled, etc, who possibly open from a wheel chair and use a walking stick as a prod !
 

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