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LM21846 – Leeson 10 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 256UC Frame, TEFC – LM21846

LM21846 – Leeson 10 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 256UC Frame, TEFC – LM21846

LM21846 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

LM21846 – Leeson 10 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 256UC Frame, TEFC – LM21846

LM21846 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: 691720034811 Weight: 260 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: 256UC 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: 25.64 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
2/3 68.00 544.0 63.00 211.0 1,200 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
Full Load 12.50 100.0 29.80 100.0 1,765 10.00
Break-Down 46.00 368.0 81.00 272.0 1,675 70.0 10.00
No Load 5.00 40.0 0.00 0.0 1,800 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

Winter Weather Notice:

Our sales office and customer service teams may be disrupted on January 9th, 2025 due to a Severe Winter Weather advisory in their area. We apologize for any potential delays or disruptions this may pose to you and we appreciate your patience during this event.

 

In the meantime, please feel free to reach out to us for any quotes, questions, or concerns and we will do our best to respond in a timely manner – orders will still be processed normally.

Thanks!

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!!!