<p>BZ-2RD-A2 Snap Action Switch from Honeywell comes with an overtravel plunger actuator, screw termination and silver contacts. It also comes with an elongated mounting hole for easier and accurate mounting. This snap switch has a long mechanical life up to 20,000,000 cycles at 95% survival.</p> <p>A Snap Action Switch is a type of momentary contact micro switch which is generally used as a sensor in automotive, industrial and mechanical instruments. Designed for rapid speed switching in an electrical circuit, Honeywell Switch BZ-2RD-A2 is often used in various applications such as irrigation systems, semi-trailer trucks, timing devices, office equipment, test instruments, medical or dental equipment, HVAC equipment, manually operated devices, and valves.</p>