My Account                   Order Status
Search

LM21087 – Leeson 10 HP Automotive Duty Motor, 3 phase, 3600 RPM, 460 V, 254U Frame, TEFC – LM21087

LM21087 – Leeson 10 HP Automotive Duty Motor, 3 phase, 3600 RPM, 460 V, 254U Frame, TEFC – LM21087

LM21087 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

LM21087 – Leeson 10 HP Automotive Duty Motor, 3 phase, 3600 RPM, 460 V, 254U Frame, TEFC – LM21087

LM21087 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: 691720303122 Weight: 283 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: 12.0 A Speed: 3525 rpm
Service Factor: 1 Phase: 3
Efficiency: 90.2 % Power Factor: 87
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 254U 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: 2 Rotation: Reversible
Resistance Main: .955 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: 23.44 in
Frame Length: 11.75 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 71.00 592.0 24.00 161.0 1,200 10.00
No Load 4.00 33.0 0.00 0.0 3,600 10.00
Break-Down 47.00 392.0 40.00 268.0 3,175 74.0 10.00
2/3 60.00 500.0 29.00 195.0 2,400 10.00
Full Load 12.00 100.0 14.90 100.0 3,525 10.00
Locked-Rotor 78.00 650.0 28.50 191.0 0 38.0 10.00
Pull-Up 67.00 558.0 25.00 168.0 1,800 10.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 4.00 5.00 6.90 9.20 12.00 13.50 14.70
Rated Output (KW) 0.60 2.30 4.30 6.20 8.30 9.50 10.50
Efficiency (%) 0.0 82.5 89.5 90.2 90.2 90.2 89.5
Power Factor (%) 12.0 57.0 76.0 84.0 87.0 88.0 89.0
Speed (RPM) 3,600 3,580 3,562 3,540 3,525 3,510 3,500
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 50.0 65.0
Torque (ft-lbs) 0.00 3.70 7.50 11.00 14.90 17.00 18.50

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!!!