<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, instrumentation, appliances, vending machines, timing devices, office equipment, computer and business equipment, test instruments, communications equipment, HVAC systems, manually operated devices, and valves, among others.</p><p>1SM1 Snap Action Switch from Honeywell is a subminiature type, basic micro switch. This Honeywell 1SM1 Switch is designed for simple on/off application needs. It has a long operating life and comes with a choice of actuation, electrical termination and operating characteristics. With an elongated mounting hole, this Honeywell Switch enables more accurate and easier mounting.</p>