This Telemecanique Sensors 9013FHG42J59 Pumptrol pressure switch is designed for controlling small, electrically driven air compressors. It features a fixed differential and is set to turn off at 175 PSI, making it suitable for low horsepower applications. The switch operates with a reliable snap action and offers a robust construction with a polypropylene cover and zinc plated steel flange for durability.The Telemecanique Sensors 9013FHG42J59 is an electromechanical pressure switch designed for regulating air compressors. It operates on a power circuit with a fixed differential setting, turning off at 175 psi. The switch features two normally closed (NC) contacts with snap action, DPST-DB, Form YY configuration. It connects via screw-clamp terminals with a capacity of 10 AWG or 5.261 mm². The fluid connection is 0.25 inch NPSF internal. Materials in contact with fluid include zinc plated steel or equivalent flange and nitrile or equivalent rubber diaphragm. The housing is made of polypropylene for the cover. It has a NEMA 1 and IP20 degree of protection and is UL listed and CSA certified.