Close-Coupled Pump Motor 3-Phase 20 HP Nameplate RPM 1750 Voltage 230/460 3 Phase Frame 256JMV Dripproof Full Load Amps 50/25 60/50 Hz C-Face Footless Mounting Thermal Protection None Insulation Class B Service Factor 1.15 Ball Bearings Max Ambient Temp 40 Degrees C CW/CCW Rotation Overall Length 25-7/16 In. Shaft Dia 1-1/4 In. Shaft Length 5-1/4 In. Frame Material Rolled Steel Includes Drip Cover