Push button Switches, also known as biased switches, work on the principle of simple electric switch mechanism. Push button Switches are a type of momentary switch in which the user push-for "on" or push-for "off" to control some aspect of a machine or a process. The buttons are usually made of metal or plastic and deliver instant response. AML21CBE2AD Honeywell switch is used in mechanical and electronic devices and various other home and commercial appliances.

AML21CBE2AD push button switch from Honeywell features a snap-in panel mount and delivers alternate action. This micro push button switch is lighted with 1 incandescent lamp. It comes with a choice of 1, 2, or 4 poles and silver or gold contacts. This push button switch has full guard bezel option.