Ring Compressor, Phase Three, Output Power 2.7 hp, Maximum Operating Pressure 84.7 in wc, Maximum Flow Rate 135 cfm, Maximum Vacuum 83 in wc, Voltage 230/460V AC, Inlet Size 1 1/2 in, Inlet Type NPT, Inlet Gender Female, Outlet Size 1 1/2 in, Outlet Type NPT, Outlet Gender Female, Current Rating 7.8/3.7 A, Frequency 60 Hz, Housing Material Aluminum