<p>A Snap Action Switch is a type of momentary contact micro switch which operates at rapid speed as it takes very little force or stimulus to operate. These highly sensitive switches are very often used in adverse gas or vapor environments, oil drilling installations, marine environments, submarines and stationary undersea equipment. This Snap Switch is also used in aircraft and spacecraft, earth moving machinery, desert vehicles and cement mills.</p><p>1HM1 Snap Action Switch from Honeywell comes hermetically sealed per MIL-PRF-8805 to deliver reliable functionality even in adverse environmental conditions. It is specifically designed to withstand extreme temperatures and are insensitive to changes in altitude or pressure. This Honeywell Snap Action Switch is compact and light weight and comes with a choice of actuation and termination.</p>