Marathon 30 HP General Purpose Motor, 3 phase, 1800 RPM, 230/460 V, 286TC Frame, TEFC - GT1231

Catalog #:GT1231
Part #:286TTFCA6028
  • 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
  • 12 Leads for WYE-DELTA, part winding on low voltage, or across-the-line starting
  • Will become build-up when current stock is gone
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General Specifications

UPC: 722856002020 Weight: 541.00 LB
Packaged Length: 31.25 IN Packaged Width: 22.25 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 30 Hp Output KW: 22.4 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 73.0/36.5 A Speed: 1780 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 94.1 % Power Factor: 81.5
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 286TC Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6210
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Wye Start Delta Run
Poles: 4 Rotation: Reversible
Resistance Main: .215 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: 31.34 in
Shaft Diameter: 1.875 in Shaft Extension: 4.62 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)
2/3 170.00 465.0 175.00 196.0 1,200 30.00
Full Load 36.50 100.0 88.50 100.0 1,775 82.0 30.00
Pull-Up 185.00 205.0 160.00 180.0 1,100 30.00
No Load 14.20 39.0 0.00 0.0 1,800 4.5 30.00
Locked-Rotor 215.00 585.0 170.00 192.0 0 38.0 30.00
1/3 200.00 550.0 160.00 180.0 600 30.00
Break-Down 125.00 345.0 212.00 240.0 1,675 68.0 30.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 14.20 16.80 22.00 28.50 36.50 42.00 45.00
Rated Output (KW) 1.00 6.20 12.00 18.00 24.00 27.50 30.00
Efficiency (%) 0.0 91.0 93.0 93.6 93.6 93.6 93.0
Power Factor (%) 4.5 45.0 68.0 77.0 82.0 82.5 83.0
Speed (RPM) 1,800 1,795 1,790 1,782 1,775 1,772 1,770
Temp. Rise @ FL 0.0 0.0 0.0 0.0 60.0 80.0 95.0
Torque (ft-lbs) 0.00 22.00 44.00 66.50 88.50 102.00 112.00
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