<p>The Honeywell 311SM6-T Snap Action Switch is used for simple or precision on/off application needs. It offers a long operating life and comes with an elongated mounting hole for easier, more accurate mounting. These highly sensitive switches are often used in aerospace, instrumentation, timing devices, vending machines, computer/business equipment, test instruments, HVAC equipment, office equipment, medical and dental equipment, test instruments, manually operated devices and valves.</p> <p>Snap action switches are highly sensitive switches that respond to very small movements and can rapidly change from one contact position to the other. These subminiature basic micro switches come with a choice of actuation, electrical termination and operating characteristics for design and operational flexibility. </p>