The HONEYWELL part AML21CBA2CD is a versatile and reliable push button switch used for various applications. It features a robust 4PDT (4-pole double throw) configuration, allowing for both normally open (N.O.) and normally closed (N.C.) contact options. The switch is designed to be panel mounted and can be easily connected using quick connect or solder connections. With its square button and alternate contact layout, the AML21CBA2CD offers convenient and efficient operation. Trust in HONEYWELL's reputation for quality and durability when choosing this push button switch for your electronic needs.