<p>BZ-R21-A2 Snap Action Switch from Honeywell comes with a pin plunger actuator, solder termination and silver contacts. It features an elongated mounting hole for easier and accurate mounting. It also comes with a wide choice of actuation, termination and operating characteristics. This snap switch has a low operating force and a long mechanical life up to 20,000,000 cycle at 95% survival.</p> <p>Snap Action Switches are devices that are used to open or close an electrical circuit at a rapid speed. They are highly sensitive and are also known as micro switches. Honeywell Snap Action Switch BZ-R21-A2 has a current rating of 10 A and is widely 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>