Marathon 125 HP General Purpose Motor, 3 phase, 1800 RPM, 575 V, 444T Frame, TEFC - E316

Catalog #:E316
Part #:444TTFS6044
  • Suitable for use on a VFD. Variable Torque and Constant Torque (as noted)
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • F1 conduit box on Rigid Base, F3 on C-Face Footed (Rigid Base) motors
  • Bearing Current Protection (BCP), as noted
  • Shaft slinger, Class F insulation
  • Ball bearings (except as noted )
  • C-Face Footed models are rated 60/50 Hz, same HP
  • Motors accept C-face kits, as noted
  • UL Recognized, CSA Certified and CE Mark
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General Specifications

Weight: 1,788.00 LB Packaged Length: 44.88 IN
Packaged Width: 39.25 IN Packaged Height: 30.95 IN

Nameplate Specifications

Output HP: 125 Hp Output KW: 93.0 kW
Frequency: 60 Hz Voltage: 575 V
Current: 113 A Speed: 1780 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.4 % Power Factor: 86
Duty: CONTINUOUS Insulation Class: F
Design Code: B KVA Code: G
Frame: 444T Enclosure: TEFC
Thermal Protection: NOT Ambient Temperature: 40 °C
Drive End Bearing Size: 6318 Opp Drive End Bearing Size: 6316
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: SQ CAGE IND RUN Starting Method: PART WINDING START
Poles: 4 Rotation: REV
Resistance Main: 0.038 Ohms Mounting: RIGID
Motor Orientation: HORIZONTAL Drive End Bearing: BALL
Opp Drive End Bearing: BALL Frame Material: CAST IRON
Shaft Type: T Overall Length: 41.27 in
Frame Length: 18.5 in Shaft Diameter: 3.38 in
Shaft Extension: 8.75 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)
Full Load 141.00 100.0 366.00 100.0 1,780 125.00
Break-Down 550.00 390.0 1,000.00 273.0 1,715 68.0 125.00
No Load 38.00 27.0 0.00 0.0 1,800 125.00
Pull-Up 775.00 550.0 500.00 137.0 1,000 125.00
1/3 825.00 585.0 475.00 130.0 500 125.00
2/3 700.00 496.0 575.00 157.0 1,400 125.00
Locked-Rotor 900.00 638.0 525.00 143.0 0 26.0 125.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 30.40 40.00 60.80 84.80 112.80 129.60 140.80
Rated Output (KW) 2.00 25.00 49.00 73.00 97.50 112.00 123.00
Efficiency (%) 0.0 93.0 95.4 95.4 95.4 95.4 95.0
Power Factor (%) 5.0 62.0 79.0 84.0 86.0 87.0 87.5
Speed (RPM) 1,800 1,795 1,790 1,785 1,780 1,778 1,775
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 91.40 183.00 275.00 366.00 423.00 457.00
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