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256TTDX4315 – Marathon 25 HP Definite Purpose AC Motor, 3 phase, 3600 RPM, 230/460 V, 256TC Frame, ODP – U439

256TTDX4315 – Marathon 25 HP Definite Purpose AC Motor, 3 phase, 3600 RPM, 230/460 V, 256TC Frame, ODP – U439

256TTDX4315 Marathon Other Purpose Motors

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

  • Ball bearings, mechanically locked on shaft end (excludes 5K models)
  • NEMA Service Factors
  • UL Recognized and CSA Certified

Marathon Motors
Regal Beloit

Description

256TTDX4315 – Marathon 25 HP Definite Purpose AC Motor, 3 phase, 3600 RPM, 230/460 V, 256TC Frame, ODP – U439

256TTDX4315 Marathon Other Purpose Motors

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

General Specifications

UPC: 722856012104 Packaged Length: 26.88 IN
Packaged Width: 18.38 IN Packaged Height: 15 IN

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60/50 Hz Voltage: 230/460 V
Current: 58/29 A Speed: 3520 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91 % Power Factor: 88.3
Duty: CONTINUOUS Insulation Class: B
Design Code: B KVA Code: G
Frame: 256TC Enclosure: DP
Thermal Protection: NOT Ambient Temperature: 40 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6208
UL: Recognized CSA: Y
CE: Y IP Code: 12

Technical Specifications

Electrical Type: SQ CAGE IND RUN Starting Method: PWS(LV ONLY) & YDRUN
Poles: 2 Rotation: REV
Resistance Main: 0.365 Ohms Mounting: RIGID
Motor Orientation: HORIZONTAL Drive End Bearing: BALL
Opp Drive End Bearing: BALL Frame Material: ROLLED STEEL
Shaft Type: T Overall Length: 22.64 in
Frame Length: 15.15 in Shaft Diameter: 1.63 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)
Break-Down 125.00 431.0 110.00 293.0 3,100 70.5 25.00
2/3 150.00 517.0 77.00 205.0 2,100 25.00
Locked-Rotor 182.00 628.0 72.00 192.0 0 41.5 25.00
1/3 175.00 603.0 62.00 165.0 1,000 25.00
Full Load 29.00 100.0 37.50 100.0 3,520 25.00
No Load 9.50 33.0 0.00 0.0 3,600 25.00
Pull-Up 165.00 569.0 65.00 173.0 1,500 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 8.50 11.50 16.50 22.00 29.00 33.00 36.50
Rated Output (KW) 0.50 5.20 10.00 15.00 20.50 23.50 25.50
Efficiency (%) 0.0 89.5 91.0 92.4 91.0 91.0 90.2
Power Factor (%) 6.0 56.0 79.0 85.0 88.3 89.0 89.0
Speed (RPM) 3,600 3,580 3,565 3,545 3,520 3,510 3,500
Temp. Rise @ FL 0.0 0.0 0.0 0.0 55.0 65.0 80.0
Torque (ft-lbs) 0.00 9.20 18.50 28.00 37.50 43.00 47.00

Marathon 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!!!