<p> The Honeywell AML21CBA2AC push button switch comes with DPDT circuitry and 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 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. </p> <p> This AML21CBA2AC small push button switch features solder or quick-connect termination with 2-pole, double-throw silver contacts. The lamps can be furnished, installed or ordered separately. A push button switch is used in a variety of mechanical and electronic devices, including home and commercial appliances.</p>