Marathon 3 HP General Purpose Pump Motor, 3 phase, 3600 RPM, 208-230/460 V, 56HJ Frame, TEFC - J066

Catalog #:J066
Part #:056T34F5347
  • Service Factor, as noted
  • Double sealed ball bearings, mechanically locked on shaft end
  • Continuous Duty
  • Nameplated 60/50 hertz, 190/380 volts at next lower HP, as noted
  • 56C = carbon steel shaft with key
  • 56J = 416 stainless steel threaded shaft with slinger
  • UL Recognized, CSA Certified, and CE Mark
  • Drip cover not included, see Accessories Section
  • Drip cover included
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General Specifications

UPC: 722856032515 Weight: 40.00 LB
Packaged Length: 16.38 IN Packaged Width: 10.5 IN
Packaged Height: 8.12 IN

Nameplate Specifications

Output HP: 3 Hp Output KW: 2.2 kW
Frequency: 60/50 Hz Voltage: 208-230/460 V
Current: 8.4-7.6/3.8 A Speed: 3450 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 84 % Power Factor: 86.3
Duty: Continuous Insulation Class: B
Design Code: B KVA Code: K
Frame: 56HJ Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6205
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 2 Rotation: Reversible
Resistance Main: 5.4 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Or Shaft Down Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: J Overall Length: 13.82 in
Frame Length: 8.06 in Shaft Diameter: 0.625 in
Shaft Extension: 1.88 in Assembly/Box Mounting: F1 ONLY

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
2/3 26.00 684.0 14.50 322.0 2,200 3.00
1/3 30.00 789.0 11.70 260.0 900 3.00
Pull-Up 28.00 737.0 12.40 276.0 1,600 3.00
Break-Down 22.50 592.0 17.50 389.0 2,600 81.0 3.00
No Load 1.40 37.0 0.00 0.0 3,600 3.00
Locked-Rotor 32.00 842.0 13.80 307.0 0 65.0 3.00
Full Load 3.80 100.0 4.50 100.0 3,480 3.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 1.40 1.70 2.30 3.00 3.80 4.40 4.80
Rated Output (KW) 0.23 0.74 1.30 2.00 2.60 3.00 3.30
Efficiency (%) 0.0 75.5 83.5 85.5 84.0 84.0 84.0
Power Factor (%) 19.5 53.5 73.0 82.0 86.3 88.0 89.0
Speed (RPM) 3,600 3,575 3,550 3,515 3,480 3,450 3,445
Temp. Rise @ FL 0.0 0.0 0.0 0.0 80.0 110.0 0.0
Torque (ft-lbs) 0.00 1.10 2.20 3.40 4.50 5.20 5.70
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