This product is part of the Nema Pressure Switches range, an offer of pump or compressor switches. This electromechanical pressure switch has 2 NC, DPST-DB (double pole single throw, double break), form YY, snap action contacts. It has an adjustable differential scale for internal setting, 30psi to 50psi pressure setting value and an approximate adjustable differential of 103.42kPa to 206.84kPa. The pressure switch with a pressure sensor size of 551.58kPa and an adjustable range on rising pressure of 137.9kPa to 551.58kPa. It is furnished with screw clamp terminals for electrical connection and 1/4inch NPSF internal for fluid connection. This compressor switch has a diaphragm actuator which can be operated from any position and regulation of 2 thresholds. It is a NEMA 1/IP20 rated product. The cover is made of polypropylene. Its dimensions are 106.43mm (width) x 98.55mm (depth) x 137.16mm (height). It weighs 1.02kg. It is suitable for pressure controlling or monitoring of water pumps, compressors, agricultural/irrigation water systems, molding presses and injection molders. This product is certified by CSA and UL. It meets CE, NSF ANSI 372 and UL 508 standards. Power pressure switch is rated for the direct control of motors in compressor applications. The Square D brand water pressure switch has expanded to industry leading Pressure Sensors and Switches.