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254TTFNA6576 – Marathon 7.50 HP Severe Duty Motor, 3 phase, 1200 RPM, 460 V, 254T Frame, TEFC – E636

254TTFNA6576 – Marathon 7.50 HP Severe Duty Motor, 3 phase, 1200 RPM, 460 V, 254T Frame, TEFC – E636

254TTFNA6576 Marathon Other Severe Duty Motors

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

  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • C-face addition may result in non-NEMA “BA” dim. For new “BA” dim consult chart found in modification section
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Provisions to add stub shaft for an encoder (182T-449T, TEFC only)
  • Internal and external epoxy paint
  • MAX GUARD® Class F insulation system
  • Constant Torque speed range is listed in CT SPEED RANGE column
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • Bearing caps (254T and larger), Precision balanced to .08”/sec
  • Meets IEEE45 USCG Marine Duty, IP54 Construction, Meets Ford EM1 Automotive Duty Specification

Marathon Motors
Regal Beloit

Original price was: $3,844.00.Current price is: $2,740.00.

Description

254TTFNA6576 – Marathon 7.50 HP Severe Duty Motor, 3 phase, 1200 RPM, 460 V, 254T Frame, TEFC – E636

254TTFNA6576 Marathon Other Severe 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: 722856019585 Weight: 315 LB
Packaged Length: 31.25 IN Packaged Width: 22.25 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 7.50 Hp Output KW: 5.6 kW
Frequency: 60 Hz Voltage: 460 V
Current: 9.9 A Speed: 1175 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91 % Power Factor: 78
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: H
Frame: 254T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6210
UL: Recognized CSA: Y
CE: Y IP Code: 54

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: 1.319 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: 23.65 in
Frame Length: 10.50 in Shaft Diameter: 1.625 in
Shaft Extension: 4.2 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 61.00 616.0 64.00 191.0 250 7.50
2/3 57.00 576.0 77.00 230.0 800 7.50
Break-Down 39.50 399.0 103.00 307.0 1,065 70.0 7.50
Full Load 9.90 100.0 33.50 100.0 1,175 7.50
No Load 4.80 48.0 0.00 0.0 1,200 7.50
Locked-Rotor 63.50 641.0 72.00 215.0 0 42.0 7.50
Pull-Up 59.00 596.0 69.00 206.0 600 7.50

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 4.80 5.30 6.50 8.00 9.90 11.00 12.00
Rated Output (KW) 0.30 1.50 3.00 4.50 6.00 7.00 8.00
Efficiency (%) 0.0 85.5 90.2 91.0 91.0 90.2 90.2
Power Factor (%) 7.0 40.0 61.0 72.5 78.0 80.0 80.5
Speed (RPM) 1,200 1,195 1,190 1,180 1,175 1,170 1,165
Temp. Rise @ FL 0.0 25.0 20.0 0.0 40.0 55.0 70.0
Torque (ft-lbs) 0.00 8.00 16.50 25.00 33.50 38.50 42.00

Marathon Motors
Regal Beloit

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