Baldor N50804L-4, NXR General Purpose Large Induction Motor, 800 HP, 460 Volts, 1,014.0 Amps, 3 Phase, 1791 RPM, 60 Hz, TEFC Enclosure, 5012 Frame, A50256M Motor Type, Cast Iron Frame

SKU #: N50804L-4
Brand: Baldor
Available For Order! (Usually Ships 7-10 Days)This product is direct shipped from the manufacturer to our distribution center where it is checked, packaged and processed by our quality control team. The shipping time shown is the estimated number of business days the product will ship out from our warehouse, excluding any manufacturer back logs or delays.
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Baldor NXR General Purpose Large Induction Motor

     ABB’s N-series general purpose motors combine cost-efficient standardized designs and short lead times with safety, productivity, energy efficiency and reliability. Totally enclosed fan cooled motors, type NXR, General purpose above NEMA motors fit most applications where a highly customized motor is not needed.


  • F1 Mounting, IP54 Ingress Protection, Class F insulation / Class B temperature rise
  • Cast iron construction
  • NEMA 4 main terminal box with ground lug, Auxiliary terminal box with terminal strip
  • Winding RTD's - 2 Per phase, 100 ohm, platinum 3 wire
  • Provisions for bearing RTD's, Grease lubricated ball bearings, Insulated opposite drive end bearing
  • Space Heaters 100-125V/200-240V to operate at 120/240V
  • SA approved, Suitable for use on inverter 10:1 VT* (consult factory for constant torque speed range of GPM custom product)
  • 1.15SF on Sine Wave and 1.0SF on VFD*
  • Aluminum die-cast rotor construction or copper/copper alloy rotor construction
  • Foot mounted with dowel holes and provisions for vertical jackscrews
  • Dual drilled foot mounting
  • Paint - Specially formulated modified epoxy coating with UV protection


  • Compressors
  • Pumps
  • Fans
  • Conveyors
  • Material Handling
  • Machine Tool

Note: Picture is illustrative and may not reflect the actual product

Mfg. NumberN50804L-4
Product TypeNXR General Purpose Large Induction Motor
Horsepower800 HP
Voltage460 Volts
Frequency60 Hz
Synchronous Speed1800 RPM
Speed1791 RPM
Speed CodeSingle Speed
High Voltage Full Load Amps1,014.0 Amps
Enclosure TEFC
Frame Size5012
Motor TypeA50256M
Motor StandardsNEMA
Number of Poles4
Pulley Face CodeStandard
Frame MaterialCast Iron
Motor Lead Quantity/Wire Size12 @ 4/0 AWG
Service Factor1.15
Efficiency @ 100% Load95.40%
Duty RatingCONT
Inverter CodeNot inverter
Bearing Grease TypePOLYREX EM (-20F +300F)
Current1,014.0 A
Heater IndicatorHeater w/Ext 120/240 Volt Conn
Motor Lead Exit12 @ 4/0 AWG
Motor Lead TerminationFlying Leads
Shaft Diameter4.125 in
Insulation ClassF
Power Factor77
Pulley End Bearing TypeBall Bearing
Shaft Extension LocationPulley End
Shaft RotationReversible
Shaft Slinger IndicatorNo Slinger
Starting MethodDirect on line
Vibration Sensor IndicatorNo Vibration Sensor
Thermal Device - BearingNo
Thermal Device - WindingRTD Only
Ambient Temperature40 °C
Agency ApprovalsCCSA, US

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*Note: Picture is illustrative and may not reflect the actual product.*