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811557.00 – Leeson 20 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 256T Frame, TEFC – 811557.00

811557.00 – Leeson 20 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 256T Frame, TEFC – 811557.00

811557.00 Leeson IEEE 841 Motors

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

  • Inpro shaft seals
  • Inverter rated insulation system
  • Regreasable bearings
  • Epoxy paint
  • Test data supplied with each motor
  • IP 56 enclosure protection
  • Tested to IEEE45 USCG Marine Duty, API RP14F for offshore platforms
  • Division 2 CSA certification for hazardous locations, Class 1 Groups A, B, C, D, temperature Code T2B

Leeson Motors
Regal Beloit

Original price was: $4,382.00.Current price is: $3,123.49.

Description

811557.00 – Leeson 20 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 256T Frame, TEFC – 811557.00

811557.00 Leeson IEEE 841 Motors

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

General Specifications

UPC: 691720247068 Weight: 425 LB
Packaged Length: 31.25 IN Packaged Width: 22.25 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 20 Hp Output KW: 14.9 kW
Frequency: 60 Hz Voltage: 460 V
Current: 24.1 A Speed: 1775 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 93 % Power Factor: 84
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 256T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 309 Opp Drive End Bearing Size: 210
UL: Recognized CSA: N
CE: Y IP Code: 56

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 4 Rotation: Reversible
Resistance Main: .474 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: T Overall Length: 25.27 in
Frame Length: 12.25 in Shaft Diameter: 1.625 in
Shaft Extension: 4 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)
Pull-Up 115.00 477.0 100.00 169.0 900 20.00
Locked-Rotor 138.00 573.0 105.00 177.0 0 40.0 20.00
1/3 125.00 519.0 90.00 152.0 600 20.00
No Load 8.50 35.0 0.00 0.0 1,800 20.00
Full Load 24.10 100.0 59.20 100.0 1,775 20.00
Break-Down 86.00 357.0 146.00 247.0 1,625 66.0 20.00
2/3 105.00 436.0 115.00 194.0 1,200 20.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 8.50 10.50 14.00 18.50 24.10 27.00 30.00
Rated Output (KW) 0.60 4.00 8.00 12.00 16.00 18.00 20.50
Efficiency (%) 0.0 90.0 93.0 93.6 93.0 92.4 91.7
Power Factor (%) 8.5 51.0 72.0 81.0 84.0 84.5 85.0
Speed (RPM) 1,800 1,795 1,785 1,780 1,775 1,770 1,760
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 85.0 105.0
Torque (ft-lbs) 0.00 14.50 29.50 44.50 59.20 68.00 74.50

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!!!