Marathon 10 HP General Purpose Motor, 3 phase, 1200 RPM, 575 V, 256T Frame, TEFC - GT1120

Catalog #:GT1120
Part #:256TTFCA6080
  • 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
  • C-face addition may result in non-NEMA "BA" dim. For new "BA" dim consult chart found in modification section
  • Will become build-up item when current stock is gone
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Weight:350.00 LB
List Price: $2,896.00

General Specifications

UPC: 722856001870 Weight: 350.00 LB
Packaged Length: 31.25 IN Packaged Width: 22.25 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 10 Hp Output KW: 7.5 kW
Frequency: 60 Hz Voltage: 575 V
Current: 11.2 A Speed: 1180 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91 % Power Factor: 74
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 256T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6209
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 6 Rotation: Reversible
Resistance Main: .935 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: 27.80 in
Shaft Diameter: 1.625 in Shaft Extension: 4 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)
Pull-Up 68.00 485.0 61.00 137.0 400 10.00
1/3 72.00 515.0 58.00 130.0 250 10.00
Locked-Rotor 75.00 535.0 69.00 155.0 0 35.0 10.00
No Load 7.00 50.0 0.00 0.0 1,200 5.0 10.00
Break-Down 45.50 325.0 130.00 292.0 1,100 70.0 10.00
2/3 62.00 445.0 71.50 160.0 750 10.00
Full Load 13.40 100.0 44.50 100.0 1,180 76.0 10.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 5.60 6.08 7.36 8.96 10.72 11.84 13.20
Rated Output (KW) 0.50 2.30 4.20 6.20 8.20 9.50 10.40
Efficiency (%) 0.0 84.0 90.2 91.0 91.0 91.0 90.2
Power Factor (%) 5.0 36.0 56.0 68.0 76.0 76.5 77.0
Speed (RPM) 1,200 1,195 1,190 1,185 1,180 1,178 1,175
Temp. Rise @ FL 0.0 0.0 0.0 0.0 45.0 60.0 75.0
Torque (ft-lbs) 0.00 11.00 22.00 33.20 44.50 51.50 56.00
Catalog #:GT1120A
Part #:256TTFCD6080
List Price: $2,896.00
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