Motor, Three-Phase, Open Drip Proof Motor Enclosure Design, 50 HP, Nameplate RPM 1,780, Frame 326T, Voltage 190V, 208-230/460V, 380V, 60/50 Hz Hz, Three Phase, Full Load Amps 126.0-113.0/56.0 A, Rigid Base Motor Mounting Type, Motor Thermal Protection None, Ins. Class F, Motor Service Factor 1.15, Motor Frame Material Steel, Max. Ambient Temp. 40 Degrees C, CCW Motor Shaft Rotation, Nominal Efficiency 94.5 Percent, 1,701-1,800, CSA Certified, ENERGY cURus