Black Momentary Push Button - Panel Mount

Also called momentary button switches. Usually used as a way to initiate some action like starting a motor or stopping a motor.

While pushing the switch it will make contact and once you release the switch, contact will be broken.  In microcontroller programs, they are often used to start some action.

Momentary push button red spec: This is an SPST N.O. button. Overall length (including leads) is 28mm and has small solder lugs for connection. These momentary push buttons are rated up to 0.5A and 250VAC.