A Snap Action Switch is a type of momentary contact micro switch which operates at a rapid speed as it takes very little force or stimulus to operate. This Honeywell Switch is very often used in adverse gas or vapour environments, oil drilling installations, marine environments, submarines and stationary undersea equipment, refrigeration units. The above Snap Action Switch is also used in aircraft and spacecraft, earth moving machinery, desert vehicles and cement mills.

6HM1-1 Snap Action Switch from Honeywell comes hermetically sealed per MIL-PRF-8805 and has high temperature tolerance capability ranging from -65 °C to 260 °C. Compact and light weight, this Honeywell Switch is specifically designed for use in adverse environments is immune to changes in altitude or pressure.