V12F-11Z-230G is a type of push button switch manufactured by Onpow. It is a momentary switch, meaning it will remain in the "off" position until it is pressed. It has 3 terminals, a normally open contact, a normally closed contact and a common contact. It is single pole, single throw and rated for 12A at 250VAC. The back of the switch is designed to be panel mounted and allows for easy connection of wires.