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 various applications, including irrigation systems, semi-trailer trucks, timing devices, office equipment, test instruments, medical and dental equipment, HVAC systems, manually operated devices, and valves.

BZ-2R-P4 Snap Action Switch from Honeywell is a standard basic micro switch. This Honeywell Switch ensures long mechanical life that is up to 20,000,000 cycles at a 95% survival rate. It comes with a choice of actuation, termination, and operating characteristics to offer design flexibility. The current rating of this Micro Switch ranges from 15 A to 25 A.