Square D 239471 125-PSI Air Compressor Pressure Switch

The Square D Pumptrol air-compressor pressure switch controls an electrically driven air compressor in a power circuit when the adjustable threshold upon falling is reached and is set to turn off at 125 PSI. Switch has a 1/4 NPT external fluid connection & is suitable for use with a higher-horsepower motor with 2 HP or greater. The non-adjustable differential is 40 PSI, and the adjustable cut-out range is 100 PSI to 200 PSI.Pressure sensor size: 200 psiValue of setting: Off at 125 psiPressure sensor type: Electromechanical pressure switchControl small electrically driven air compressorsControlled fluid: Air (-22 - 257 °F)Adjustable range on rising pressure: 100 - 200 psiApproximate fixed differential: 40 psiPressure actuator: DiaphragmPressure switch type of operation: Regulation between 2 thresholdsFluid connection type: 0.25 inch NPT external conforming to UL 508Includes a 2 way pressure release valve.