<p>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 aerospace, appliances, vending machines, timing devices, office equipment, computer/business equipment, test instruments, HVAC systems, manually operated devices, and valves, among others.</p><p>111SM602-H4 Snap Action Switch from Honeywell is a sub-miniature basic micro switch that is designed for precision on/off application needs. This Honeywell Snap Action Switch comes with a choice of actuation and operating characteristics for design flexibility. Featuring an elongated mounting hole, this Roller Lever Switch enables more accurate and easier mounting.</p>