<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 very often used in aerospace, appliances, vending machines, timing devices, office equipment, computer and business equipment, test instruments, HVAC systems, manually operated devices, and valves, among others.</p><p>11SM401-T Snap Action Switch from Honeywell is a sub-miniature basic micro switch. This Honeywell Snap Action Switch is designed to deliver long operating life for various industrial applications. It comes with a choice of actuation and operating characteristics to provide design flexibility. This Pin Plunger Micro Switch also features an elongated mounting hole for more accurate and easier mounting.</p>