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254TTFNA16838 – Marathon 15 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 254T Frame, TEFC – E620-P

254TTFNA16838 – Marathon 15 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 254T Frame, TEFC – E620-P

254TTFNA16838 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: $3,599.00.Current price is: $2,565.37.

Description

254TTFNA16838 – Marathon 15 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 254T Frame, TEFC – E620-P

254TTFNA16838 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: 722856019547 Weight: 330 LB
Packaged Length: 30.75 IN Packaged Width: 21.75 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 15 Hp Output KW: 11.2 kW
Frequency: 60 Hz Voltage: 460 V
Current: 18.8 A Speed: 1775 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 92.4 % Power Factor: 81
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
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: 4 Rotation: Reversible
Resistance Main: .649 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)
Full Load 18.80 100.0 44.40 100.0 1,775 15.00
1/3 105.00 559.0 71.00 160.0 600 15.00
Locked-Rotor 110.00 585.0 85.00 191.0 0 40.0 15.00
No Load 7.80 41.0 0.00 0.0 1,800 15.00
Pull-Up 95.00 505.0 75.00 169.0 900 15.00
2/3 85.00 452.0 87.00 196.0 1,200 15.00
Break-Down 69.00 367.0 125.00 282.0 1,675 74.0 15.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 7.80 8.80 11.20 14.80 18.80 21.00 23.00
Rated Output (KW) 0.70 3.50 6.00 9.00 12.20 14.50 15.50
Efficiency (%) 0.0 86.5 91.0 92.4 92.4 91.7 91.0
Power Factor (%) 11.5 45.0 68.0 78.0 81.0 82.0 82.5
Speed (RPM) 1,800 1,792 1,788 1,780 1,775 1,770 1,765
Temp. Rise @ FL 0.0 35.0 30.0 0.0 55.0 75.0 90.0
Torque (ft-lbs) 0.00 11.00 22.00 33.50 44.40 50.50 56.00

Marathon Motors
Regal Beloit

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