<p>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. These highly sensitive switches are very often used in adverse gas or vapour environments, aircraft and helicopters, steam cleaning of food and processing machines. This SPDT Sealed Switch is also used in moist, dusty, or oily environments and industrial valve control.</p><p>1HS3 Snap Action Switch from Honeywell is specifically designed for applications where maximum electrical rating and maximum sealing are necessary. This Honeywell Snap Action Switch is hermetically sealed per MIL-PRF-8805 and is not sensitive to changes in altitude or pressure.</p>