A Snap Action Switch is a type of momentary contact micro switch which operates at rapid speed as it takes very little force or stimulus to operate. The BZ series standard basic switches are used for simple or precision on/off application needs. These are highly sensitive switches that respond to very small movements and can rapidly change from one contact position to the other and are therefore mostly used in irrigation systems, semi-trailer trucks, timing devices, office equipment, tests instruments, medical and dental equipment's, HVAC equipment, manually operated devices, and valves.

BZ-R-A2 Honeywell Snap Action Switch comes with an elongated mounting hole for easier, more accurate mounting. This switch has a long mechanical life up to 20,000,000 cycles at 95% survival.