Metric Motor 3-Phase IP55 Enclosure 3/4 HP 0.56 kW Nameplate RPM 1690 Frame D80D Voltage 230/460 60/50 Hz 3 Phase Full Load Amps 2.5/1.25 Face/Base Mounting Thermal Protection None Insulation Class F Service Factor 1.15 Ball Bearings Frame Material Aluminum Ambient Temperature 40 Degrees C CW/CCW Rotation Nominal Efficiency 74.0 Percent Continuous Duty 1701-1800 UL Recognized CSA Certified CE Certified