<p>Snap Action Switches, also known as micro switches are a kind of momentary contact switch. These are highly sensitive switches that respond to very small movements and can rapidly change from one contact position to the other. They are generally 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. </p><p>BE-2RB-A4 Snap Action Switch from Honeywell comes with a long mechanical life up to 20,000,000 cycles at 95% survival and an elongated mounting hole for easier, more accurate mounting.</p>