This product is part of the Nema Pressure Switches range, an offer of electromechanical pressure switches. This electromechanical pressure switch has 2 NC and 2 NO, double pole double throw, double break, form ZZ, snap action contacts. It has an adjustable differential scale for internal settings between 13psig to 425psig. It is a pressure switch with an approximate adjustable differential at mid range of 110.32kPa to 620.53kPa and a maximum pressure of 850psi. It is furnished with screw clamp terminals for electrical connection and 1/4-18 NPTF for fluid connection. This switch has a diaphragm actuator which can be operated from any position and regulation of 2 thresholds. It is a NEMA 4/4X/13 rated product. The enclosure is made of die cast aluminum alloy 380. Its dimensions are 88.9mm (width) x 66.8mm (depth) x 138.43mm (height). It weighs 1.36kg. 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 CE, CSA and UL. It meets CSA C22.2 No 14 and UL 508 standards. A complete line of electromechanical switches to monitor and control pressure conditions for industrial and end user applications. The Square D brand water pressure switch has expanded to industry leading Pressure Sensors and Switches.