Pressure Switch 1.Min.Pressure :20PSI 2.Max.Pressure:80PSI 3.Male:z1/4 4.Pressure Settings:20-40,30-50,40-60PSI Pressure Switch Features:1.Min.Pressure :20PSI2.Max.Pressure:80PSI3.Male:z1/44.Pressure Settings:20-40PSI,30-50PSI,40-60PSISingle-Phase Single-Phase Single-Phase 115VAC230VAC230VAC1.5HP 20A2.0HP AC3.0HP AC Pressure Switch (PS-2)