4-7.5 Percent, CSA Certified, ENERGY cURus Ambient Temp.Class F, Motor Service Factor 1, Motor Frame Material Steel, Max. Motor, 3-Phase, Totally Enclosed Fan-Cooled Motor Enclosure Design, 3 hp HP, Nameplate RPM 1,765/1,455, Frame 182TC, Voltage 190V, 208-230/460V, 380V, 60/50 Hz Hz, Three Phase, Full Load Amps 8.