The PS Series Pressure Switch, from Potter Electric Signal Company, LLC, has been designed with separate wiring chambers and two 1/2” knockouts, allowing for dual high/low voltage functions or in/out wiring, creating the only NEC 760.55 code compliant pressure switch in the industry. The PS Series is a compact device with a single captive tamper-proof screw, allowing for quick access and easy installation in tight spaces. The NEMA 4 solid metal enclosure has been designed with a rain-lip for protection against the elements. The PS Series pressure switch also comes equipped with a ½” male NPT fitting, factory installed neoprene gasket and maintains an industry leading 5-year warranty. The device has a pressure range of 4-15 psi and is 300 psi system pressure rated. The PS series is UL, ULC, CSFM, FM, LPC, NYMEA, and CE approved.