Dwyer MHS-4 is a miniature high sensitivity pressure switch with a temperature range of 40 to 150°F (4 to 66°C). It features electrical connections with 0.187" x 0.20" spade terminals for quick disconnects, and can be easily mounted using #2 screws through eyelets. This pressure switch is suitable for use with air or compatible fluids and has a housing made of polycarbonate and a polyurethane diaphragm. It has a pressure limit within its maximum range and a 1/8" NPT port for process connection. With a repeatability of ±20% and a switch type of SPDT normally open or normally closed, it has silver contacts with brass terminals and an electrical rating of up to 15A, 125/250 VAC.