IEEE 841 Motor 3-Phase Totally Enclosed Fan-Cooled 15 HP Nameplate RPM 1180 284T Frame Voltage 230/460 60 Hz 3 Phase 16.3 Full Load Amps No of Speeds 1 Motor Mounting Type Rigid Base Motor Thermal Protection None Ins. Class F 1.15 Motor Service Factor Ball Motor Bearings Motor Frame Material Cast Iron Max Ambient Temp 40 Degrees C CW/CCW Motor Shaft Rotation Overall Length 26-3/16 In. Motor Shaft Design Keyed