General Purpose Motor 3-Phase Totally Enclosed Fan-Cooled 15 HP Nameplate RPM 3535 254T Frame Voltage 575 60 Hz 3 Phase 13.8 Full Load Amps Number of Speeds 1 Mounting Rigid Base Motor Mounting Position Horizontal Motor Thermal Protection None Insulation Class F 1.25 Service Factor Ball Bearings Frame Material Cast Iron Max Ambient Temp 40 Degrees C CW/CCW Rotation Overall Length 23-3/16 In. Motor Shaft Design Keyed