Description Specifications Literature Description Barksdale's P1H Series Pressure Switches offer extremely long life and the accuracy you need for your industrial applications. Designed with Dia-Seal Piston technology, the P1H Series Pressure Switches ensure millions of maintenance free, leakage free cycles. A rugged, NEMA 4 enclosure makes these pressure switches an ideal choice for both indoor and outdoor installations. Setpoints are easily adjusted via an external adjustment screw. Designed to control pressures up to 1600 psi, the P1H Series Pressure Switches are an outstanding choice for your demanding industrial applications.Features:Superior resolutionHigh reliabilityOil & dust tightExtremely versatileNEMA 4 & 13CSA approvedApplications:Pump & compressor monitoringAir proving in HVAC systemsIrrigation systemsEngine monitoringMachine toolsGeneral industrial applicationsFactory preset setpoint options are available. Contact FLW for further information. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications General SpecificationsAccuracy:± 2% of the adjustable rangeElectrical Connectors:Internal screw terminals via 1/2" NPT conduit connectorPressure Connection:1/4" NPT femaleAdjustable RangeDecreasing - psi (bar)Increasing - psi (bar)minmaxminmax25 (1.7)583 (39)27 (1.8)600 (40)SwitchType:Single pole double throw (SPDT) snap action; single circuitRating:10 amps @ 125/250 VAC; 3 amps @ 480 VACWetted PartsDiaphragm:Viton®Pressure Fitting:Stainless steel, 1/4" NPTEnclosure:NEMA 4 & NEMA 13 Literature & Docs Product Specifications Accessories