Snap Action Switches are electromechanical devices that are used to open or close an electrical circuit at a rapid speed. They are generally used in timing devices, irrigation systems, semi-trailer trucks, office equipment, test instruments, HVAC equipment, manually operated devices, and valves.

BA-2RV-A2 Snap Action Switch from Honeywell is a standard basic switch, designed for precision on or off applications. This SPDT Lever Switch delivers long mechanical life of up to 20,000,000 cycles at 95% survival rate. It also provides a range of actuation, termination and operating characteristics for design flexibility and high-performance. The current rating of this Honeywell Switch ranges from 15 A to 25 A.