Dwyer MHS-1 is a Miniature High Sensitivity Pressure Switch suitable for air or compatible fluids. It operates in a temperature range of 40 to 150°F (4 to 66°C). The switch features spade electrical connections for quick disconnects, and can be easily mounted using #2 screws or eyelets. With a housing made of polycarbonate, and a diaphragm made of polyurethane, it offers excellent durability. It has a pressure limit within the specified range, and a process connection of 1/8" NPT port. The switch type is SPDT and can be normally open or normally closed. Contacts are silver with brass terminals and it has an electrical rating of 3A.