Marathon 30 HP General Purpose Motor, 3 phase, 1800 RPM, 230/460 V, 286TC Frame, TEFC - GT1231A

Catalog #:GT1231A
Part #:286TTFCD6028
  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D, Temperature code T2B
  • IP55 enclosure on cast iron frames
  • Inverter Duty 10:1 Variable Torque and up to 10:1 Constant Torque
  • Class F Insulation
  • Standard F1, reversible to F2 assembly. Dual frame mounting holes.
  • 12 Leads for WYE=DELTA, part winding on low voltage, or across-the-line starting
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Weight:504 LB
List Price: $4,283.00

General Specifications

UPC: 722856062673 Weight: 504 LB
Packaged Length: 31.77 IN Packaged Width: 28.03 IN
Packaged Height: 28.14 IN

Nameplate Specifications

Output HP: 30 Hp Output KW: 22.4 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 72.5/36.5 A Speed: 1775 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 93.6 % Power Factor: 83
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: 6211
UL: Listed CSA: Y
CE: Y IP Code: 55
Hazardous Location: DIVISION 2 T2B

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 4 Rotation: Reversible
Resistance Main: .2455 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: 28.14 in
Frame Length: 12.91 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)
1/3 195.00 537.0 147.00 165.0 600 30.00
Pull-Up 180.00 496.0 151.00 170.0 900 30.00
Full Load 36.30 100.0 89.00 100.0 1,775 83.0 30.00
2/3 164.00 452.0 185.00 208.0 1,200 30.00
Break-Down 129.00 355.0 227.00 255.0 1,650 68.0 30.00
Locked-Rotor 217.00 598.0 178.00 200.0 0 36.0 30.00
No Load 16.00 44.0 0.00 0.0 1,800 5.0 30.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 16.00 17.80 22.50 28.90 36.30 41.10 44.40
Rated Output (KW) 0.70 6.20 12.00 17.90 23.80 27.70 30.00
Efficiency (%) 0.0 89.5 93.0 93.6 93.6 93.3 93.0
Power Factor (%) 5.0 44.5 67.5 78.0 83.0 85.0 85.5
Speed (RPM) 1,800 1,795 1,788 1,782 1,775 1,770 1,768
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 85.0 100.0
Torque (ft-lbs) 0.00 22.00 44.00 66.50 89.00 102.00 111.00
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