Ring Compressor, Phase Three, Output Power 14.7 hp, Maximum Operating Pressure 138.5 in wc, Maximum Flow Rate 574 cfm, Maximum Vacuum 110 in wc, Voltage 230/460V AC, Inlet Size 3 in, Inlet Type NPT, Inlet Gender Female, Outlet Size 3 in, Outlet Type NPT, Outlet Gender Female, Current Rating 39.1/18.9 A, Frequency 60 Hz, Housing Material Aluminum