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256TTTNA18578 – Marathon 10 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 460 V, 256T Frame, TEAO – S516

256TTTNA18578 – Marathon 10 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 460 V, 256T Frame, TEAO – S516

256TTTNA18578 Marathon Other Purpose Motors

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

  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external epoxy paint
  • CR200 Corona resistant magnet wire
  • Class H insulation system
  • Normally closed thermostats (one per phase, Class H)
  • Heat stabilized ball bearings and high temperature grease
  • Suitable for inverter use for 20:1 Variable Torque with 1.0 S.F. in 90°C ambient
  • Suitable for 90OC ambient at 1.15 S.F. or 100OC ambient at 1.0 S.F.
  • Extended grease tubes, Regreasable in service
  • 8 Foot Leads

Marathon Motors
Regal Beloit

Original price was: $7,761.00.Current price is: $4,346.00.

Description

256TTTNA18578 – Marathon 10 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 460 V, 256T Frame, TEAO – S516

256TTTNA18578 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: 722856042897 Weight: 351 LB
Packaged Length: 31.25 IN Packaged Width: 22.25 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 10 Hp Output KW: 7.5 kW
Frequency: 60 Hz Voltage: 460 V
Current: 12.8 A Speed: 1172 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91 % Power Factor: 80
Duty: Continuous Insulation Class: H
Design Code: B KVA Code: H
Frame: 256T Enclosure: Totally Enclosed Air Over
Thermal Protection: No Ambient Temperature: 90 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6210
UL: No CSA: Y
CE: N IP Code: 54

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: 1.025 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball / Heat Stabilized
Opp Drive End Bearing: Ball / Heat Stabilized Frame Material: Cast Iron
Shaft Type: T Overall Length: 22.35 in
Frame Length: 12.25 in Shaft Diameter: 1.625 in
Shaft Extension: 4.25 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 80.00 625.0 85.00 190.0 250 10.00
2/3 75.00 586.0 90.00 201.0 750 10.00
Full Load 12.80 100.0 44.83 100.0 1,172 10.00
Pull-Up 78.00 609.0 85.00 190.0 400 10.00
Locked-Rotor 81.00 633.0 95.00 212.0 0 46.0 10.00
Break-Down 48.00 375.0 120.00 268.0 1,050 69.0 10.00
No Load 5.80 45.0 0.00 0.0 1,200 10.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 5.80 6.50 8.20 10.20 12.80 14.50 15.80
Rated Output (KW) 0.40 2.20 4.20 6.20 8.20 9.50 10.50
Efficiency (%) 0.0 85.5 90.2 91.0 91.0 90.2 89.5
Power Factor (%) 5.5 42.0 64.0 75.0 80.0 82.0 82.5
Speed (RPM) 1,200 1,192 1,188 1,180 1,172 1,168 1,162
Temp. Rise @ FL 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 11.00 22.00 33.50 44.80 52.00 56.50

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!!!