<p>The AML21EBA2AD Push Button Switch from Honeywell features rectangular pushbutton switch housing that is non-lighted. It enables 2-level alternate action with 2-pole, double-throw silver contacts. Push Button Switches or biased switches are simple electric switch mechanisms. They are used to control some aspect of a machine or a process. These switches are made out of plastic or other hard materials to deliver instant response when pushed or pressed. </p> <p> This Honeywell AML21EBA2AD Small Push Button Switch has a snap-in surface mount with mounting hardware and is easy to operate and maintain. Potential uses of this switch are control boards, industrial and test equipment panels, computer mainframes and peripherals, process control, and medical instrumentation, among others. </p>