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LM20390 – Leeson 10 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 256U Frame, TEFC – LM20390

LM20390 – Leeson 10 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 256U Frame, TEFC – LM20390

LM20390 Leeson Automotive Duty Motors

Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.

  • Meets NEMA U-Frame dimensional and performance standards
  • Meets or exceeds General Motors GM-7EH and -7EQ, Ford EM1, and Chrysler NPEM-100 specifications
  • Full cast iron construction – all frame sizes
  • Oversized, cast iron terminal box with threaded conduit holes
  • NEMA Design B Performance
  • Continuous Duty
  • Inverter-Rated
  • Premium Class F Insulation System

Leeson Motors
Regal Beloit

Description

LM20390 – Leeson 10 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 256U Frame, TEFC – LM20390

LM20390 Leeson Automotive Duty Motors

Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.

General Specifications

UPC: 691720065334 Weight: 301 LB
Packaged Length: 16.38 IN Packaged Width: 10.5 IN
Packaged Height: 8.12 IN

Nameplate Specifications

Output HP: 10 Hp Output KW: 7.5 kW
Frequency: 60 Hz Voltage: 460 V
Current: 12.5 A Speed: 1765 rpm
Service Factor: 1 Phase: 3
Efficiency: 91.7 % Power Factor: 82
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 256U Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 65 °C
Drive End Bearing Size: 309 Opp Drive End Bearing Size: 207
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: .894 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: U Overall Length: 25.19 in
Frame Length: 13.50 in Shaft Diameter: 1.375 in
Shaft Extension: 3.75 in Assembly/Box Mounting: F1/F2 CAPABLE

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
1/3 76.00 608.0 51.00 171.0 600 10.00
No Load 5.00 40.0 0.00 0.0 1,800 10.00
Pull-Up 72.00 576.0 54.00 181.0 900 10.00
Locked-Rotor 80.00 640.0 60.00 201.0 0 42.0 10.00
Break-Down 46.00 368.0 81.00 272.0 1,675 70.0 10.00
Full Load 12.50 100.0 29.80 100.0 1,765 10.00
2/3 68.00 544.0 63.00 211.0 1,200 10.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 5.00 5.50 7.50 10.00 12.50 14.00 15.50
Rated Output (KW) 0.30 2.00 4.00 6.00 8.00 9.50 10.50
Efficiency (%) 0.0 87.5 91.0 91.7 91.7 91.0 90.2
Power Factor (%) 6.5 47.0 68.0 78.0 82.0 83.5 83.5
Speed (RPM) 1,800 1,790 1,785 1,775 1,765 1,755 1,750
Temp. Rise @ FL 0.0 0.0 0.0 0.0 50.0 65.0 80.0
Torque (ft-lbs) 0.00 7.50 14.50 22.00 29.80 34.50 37.50

Leeson Motors
Regal Beloit

Holiday Hours of Operation:

Our warehouses will be closed 12/24/2024-01/01/2025:

Our Sales Office will remain open with limited hours during this time and will continue to process orders – all shipments will resume on 01/02/2025 – feel free to purchase from our shop or contact us for quotes as usual.

*FYI: If you’ve placed an order with us before 12/24/2024, we are currently experiencing delays in manufacturing/shipping and are working hard to provide updates and complete fulfilment as quickly as possible – we thank you for your business and your patience*

Happy Holidays from IMEX!!!