Push Button

An item which constitutes the detachable portion of a switch, circuit breaker, controller, motor starter actuator or items equipped with a key type station selector device etc, upon which the pushing pressure is applied to operate the item. It may be of any shape or design and may include a detachable top, marked with lette (s), numeral(s) , or other characters, and/or a plunger or rod as an integral or detachable part. Excludes knob; handle, switch; bar actuator, electrical switch and keytop, keyboard.