Close-Coupled Pump Motor, 3-Phase, 20 HP, Nameplate RPM 3510, Voltage 230/460, 3 Phase, Frame 256JM, Totally Enclosed Fan-Cooled, Full Load Amps 47.0/23.5, 60 Hz, Face/Base Mounting, Thermal Protection None, Insulation Class F, Service Factor 1.15, Regreasable Ball Bearings, Max. Ambient Temp. 40 Degrees C, CW/CCW Rotation, Overall Length 26-7/8 In., Shaft Dia. 1-1/4 In., Shaft Length 5-1/4 In., Frame Material Cast Iron, Includes Shaft Slinger
1-Phase and 3-Phase Close-Coupled Pump Motors
- These direct OEM replacement motors for JM and JP NEMA frame pump motors feature oversized locked shaft-end ball bearings for long service life. External slinger protects bearings from moisture and contaminants. Rigid welded base. Cast-iron models are inverter-duty rated: 4:1 constant, 6:1 variable torque.
- UL Recognized and CSA Certified.
- Mounting: face with base Service factor: 1.15 Max. ambient: 40 C Thermal protection: none Bearings: ball Rotation: CW/CCW