Marathon 20 HP Close-Coupled Pump Motor, 3 phase, 1200 RPM, 230/460 V, 286JMV Frame, TEFC - GT3126

Catalog #:GT3126
Part #:286TTFCA6082
  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • Inverter Duty 10:1 Variable Torque and 2:1 Constant Torque
  • Dual rated motors are nameplated 60/50 hertz, 190/380 volts at next lower HP
  • Class F Insulation
  • Standard assembly F1, reversible to F2 assembly
  • Will become build-up item when current stock is gone
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Weight:514.00 LB
List Price: $8,104.00

General Specifications

UPC: 722856049469 Weight: 514.00 LB
Packaged Length: 31.77 IN Packaged Width: 28.03 IN
Packaged Height: 28.14 IN

Nameplate Specifications

Output HP: 20 Hp Output KW: 14.9 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 52.0/26.0 A Speed: 1185 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91.7 % Power Factor: 77
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: F
Frame: 286JMV 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 Inverter Rated Starting Method: Wye Start Delta Run Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: .4578 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Or Shaft Down Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: JM Overall Length: 32.10 in
Shaft Diameter: 1.25 in Shaft Extension: 5.25 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)
No Load 12.60 48.0 0.00 0.0 1,200 20.00
Pull-Up 116.00 446.0 135.00 151.0 600 20.00
Locked-Rotor 129.00 496.0 147.00 165.0 0 37.5 20.00
1/3 123.00 473.0 128.00 143.0 300 20.00
2/3 103.00 396.0 158.00 177.0 800 20.00
Break-Down 78.00 301.0 196.00 220.0 1,110 63.0 20.00
Full Load 26.00 100.0 89.00 100.0 1,175 77.0 20.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 12.60 13.90 16.90 21.00 26.00 29.50 32.00
Rated Output (KW) 0.60 4.30 8.20 12.20 16.30 18.80 20.50
Efficiency (%) 0.0 84.0 90.2 91.7 91.7 91.0 90.2
Power Factor (%) 4.5 38.0 60.0 71.0 77.0 78.5 79.0
Speed (RPM) 1,200 1,195 1,190 1,182 1,175 1,172 1,170
Temp. Rise @ FL 65.0 85.0 105.0
Torque (ft-lbs) 0.00 22.00 44.00 66.50 89.00 102.00 112.00
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