<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. Snap action switches are used to open or close an electrical circuit at rapid speed and are used in several applications such as; irrigation systems, semi-trailer trucks, timing devices, office equipment, test instruments, medical and dental equipment, HVAC equipment, manually operated devices, and valves.</p><p>BZ-2RQ18-A2 Snap Action Switch from Honeywell has a low operating force and an elongated mounting hole for easier and more accurate mounting. The current ratings of this micro switch ranges from 15 A to 25 A for a voltage of 125 VAC.</p>