Air Compressor Pressure Switch Beefy Heavy Duty 150 Psi Cutoff, 30 Psi Fixed Differential, One Quarter Inch NPSF Internal, Diaphragm Actuated, Auto Off Cutout Lever, Maintained Manual Control for Electric Motors

Single Unit Heavy-Duty Air Compressor Pressure Switch

✔️ 150 psi trip, 70-150 psi rising range, 30 psi diff

This pressure switch is designed to control electrically driven motors in air compressors, water pumps, and other industrial equipment. It uses a diaphragm actuator and offers a maintained manual cut-out lever with auto and off positions for simple, reliable operation. The enclosure is polypropylene with IP20/NEMA 1 rating and CE, UL, CSA certifications. Size: 3.1 in W x 3.76 in D x 3.71 in H (78.7 x 95.6 x 94.3 mm); weight about 1 lb.

✅ 150 psi trip pressure with 70-150 psi rising range
✅ 30 psi fixed differential for stable cycling
✅ 0.25 inch NPSF internal fluid connection
✅ Diaphragm actuator and maintained manual cut-out lever with auto/off

💡 What is a pressure switch used for in industrial air and water systems?

In simple terms, a pressure switch monitors pressure and turns motors on or off at preset points to protect equipment and keep processes running smoothly. - handy for protecting compressors, pumps, and hydraulic systems - provides reliable trip points and fixed differential control - CE/UL/CSA certified with IP20/NEMA 1 enclosure