This product is part of the Nema Pressure Switches range, an offer of pump or compressor switches. This pump or compressor switch has 2 NC, DPST-DB (double pole single throw, double break), form YY, snap action contacts. It has an adjustable differential scale, 120psi to 150psi pressure setting value and an approximate adjustable differential of 165.47kPa to 310.26kPa. The pressure switch with a pressure sensor size of 1723.69kPa and an adjustable range on rising pressure of 551.58kPa to 1723.69kPa. It is furnished with screw clamp terminals for electrical connection and 0.25inch NPT external for fluid connection. This water pump switch has a diaphragm actuator which can be operated from any position and regulation of 2 thresholds. It is an IP20 and NEMA 1 rated product. The enclosure 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.