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143TTFN6563 – Marathon 1 HP Severe Duty Motor, 3 phase, 1800 RPM, 230/460 V, 143T Frame, TEFC – E375

143TTFN6563 – Marathon 1 HP Severe Duty Motor, 3 phase, 1800 RPM, 230/460 V, 143T Frame, TEFC – E375

143TTFN6563 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)
  • C-face addition results in non-NEMA “AH” dim (+1.2″ than NEMA)
  • 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

Description

143TTFN6563 – Marathon 1 HP Severe Duty Motor, 3 phase, 1800 RPM, 230/460 V, 143T Frame, TEFC – E375

143TTFN6563 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: 722856018984 Weight: 71 LB
Packaged Length: 15.5 IN Packaged Width: 14 IN
Packaged Height: 9.38 IN

Nameplate Specifications

Output HP: 1 Hp Output KW: 0.75 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 3.0/1.5 A Speed: 1735 rpm
Service Factor: 1.25 Phase: 3
Efficiency: 85.5 % Power Factor: 72
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: M
Frame: 143T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6203
UL: Recognized CSA: Y
CE: Y IP Code: 54
Hazardous Location: DIVISION 2 T2B

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 4 Rotation: Reversible
Resistance Main: 13.8 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: 12.92 in
Frame Length: 6.25 in Shaft Diameter: 0.875 in
Shaft Extension: 2.56 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)
2/3 11.50 767.0 11.50 383.0 1,200 1.00
Locked-Rotor 13.50 900.0 11.00 367.0 0 67.0 1.00
Full Load 1.50 100.0 3.00 100.0 1,735 1.00
Break-Down 9.00 600.0 14.00 467.0 1,600 81.5 1.00
1/3 12.80 853.0 9.50 317.0 600 1.00
Pull-Up 12.10 807.0 9.90 330.0 900 1.00
No Load 0.85 57.0 0.00 0.0 1,800 1.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 0.85 0.90 1.00 1.20 1.50 1.60 1.70
Rated Output (KW) 0.07 0.25 0.45 0.65 0.87 1.00 1.10
Efficiency (%) 0.0 75.5 84.0 85.5 85.5 85.5 84.0
Power Factor (%) 10.0 33.5 53.5 67.0 72.0 79.0 80.5
Speed (RPM) 1,800 1,785 1,770 1,755 1,735 1,730 1,725
Temp. Rise @ FL 0.0 0.0 0.0 0.0 21.0 0.0 0.0
Torque (ft-lbs) 0.00 0.74 1.50 2.20 3.00 3.50 3.80

Marathon Motors
Regal Beloit

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