Detailed Product Description this switch air pressure switch use for air pumpSPECIFICATION1,Rated Voltage 380V2,Rated Current 380V/11A 220V/16A 110V20A3,Min Pressure(on):20PSI4,Max Pressure(off):175PSI5,Female or Male:1/4"6,One way Three way or Four way7,Pressure Setting:20-40PSI,30-50PSI,40-60PSI 70-100PSI 80-115PSI,95-125PSI&In Order8,UL(E313955)