Snap Action Switches, also known as micro switches, are switch devices that are used to open or close an electrical circuit at a rapid speed. These highly sensitive switches are often used in semi-trailer trucks, irrigation systems, office equipment, timing devices, medical/dental equipment, test instruments, manually operated devices, valves, and HVAC systems, among others.

BZ-2RW8225551-A2 Snap Action Switch from Honeywell is a standard "Large Basic" micro switch. This Honeywell Switch is designed for simple or precision on/off application needs. It comes with a choice of actuation, termination, and operating characteristics to provide design flexibility. With an elongated mounting hole, this Micro Switch Roller Lever enables more accurate and easier mounting.