The AML21CBA2AA Honeywell Push Button Switch features square pushbutton switch housing with a snap-in panel mounting. Push-button Switches or biased switches, work on simple electric switch mechanism. Push-button Switches are a type of momentary switches in which the user push-for "on" or push-for "off" to control some aspect of a machine or a process. These buttons are usually made of metal or plastic and deliver instant response.

The AML21CBA2AA Honeywell Push Button Switch has momentary action and its lamp circuit is independent of switch circuit. It comes with solder or quick-connect termination with 1-pole, double-throw, silver contacts. Potential applications of AML Series push-button switches include manual operations, such as control boards and panels in industrial and test equipment, process control, and medical instrumentation. This Momentary Contact Switch is UL recognized and CSA certified.