Detailed Product Description pump pressure switch for air or water pumpSPECIFICATION1,Rated Voltage 380V2,Rated Current 380V/11A 220V/16A 110V20A3,Min Pressure(on):20PSI4,Max Pressure(off):100PSI5,Female or Male:1/4"6,Pressure Setting:20-40PSI,30-50PSI,40-60PSI&In Order