Marathon 150 HP General Purpose Motor, 3 phase, 1200 RPM, 460 V, 447T Frame, TEFC - GT1053

Catalog #:GT1053
Part #:447TTFC6087
  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • Cast iron frame and brackets
  • Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque
  • Class F Insulation
  • Standard assembly F1, reversible to F2 assembly
  • Will become build-up item when current stock is gone
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General Specifications

UPC: 722856002631 Weight: 2,587.00 LB
Packaged Length: 66 IN Packaged Width: 46 IN
Packaged Height: 32.39 IN

Nameplate Specifications

Output HP: 150 Hp Output KW: 112.0 kW
Frequency: 60 Hz Voltage: 460 V
Current: 170.0 A Speed: 1190 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.8 % Power Factor: 86.5
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 447T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6319 Opp Drive End Bearing Size: 6317
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Part Wdg Start Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: .0223 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: 55.91 in
Shaft Diameter: 3.375 in Shaft Extension: 8.5 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)
2/3 785.00 461.0 1,265.00 190.0 800 150.00
Full Load 170.00 100.0 662.00 100.0 1,190 86.0 150.00
Locked-Rotor 1,085.00 640.0 1,192.00 180.0 0 30.0 150.00
Pull-Up 870.00 510.0 1,020.00 155.0 600 150.00
1/3 945.00 555.0 1,008.00 152.0 400 150.00
No Load 53.00 31.0 0.00 0.0 1,200 5.5 150.00
Break-Down 612.00 360.0 1,757.00 265.0 1,158 62.0 150.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 53.00 66.80 95.50 131.00 170.00 195.00 212.50
Rated Output (KW) 2.50 30.50 58.50 87.50 117.00 135.00 147.00
Efficiency (%) 0.0 93.0 95.4 95.8 95.8 95.4 95.4
Power Factor (%) 5.0 57.0 77.0 83.8 86.0 86.2 86.2
Speed (RPM) 1,200 1,198 1,195 1,192 1,190 1,188 1,188
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 85.0 100.0
Torque (ft-lbs) 0.00 165.00 330.00 495.00 662.00 760.00 830.00
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