Marathon 60 HP Definite Purpose AC Motor, 3 phase, 1800 RPM, 230/460 V, 364TC Frame, TEFC - U729

Catalog #:U729
Part #:364TTFS4038
  • Meets or exceeds NEMA Premium® efficiencies NEMA Premium® models are in compliance with EISA2007
  • Cast iron frame and brackets
  • Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque, 1.0 SF (except as noted)
  • 1.15 Service Factor
  • Class F Insulation
  • Standard assembly F1, reversible to F2 assembly
  • UL Recognized, CSA Certified, CE Mark
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General Specifications

Weight: 984.00 LB Packaged Length: 37.88 IN
Packaged Width: 31.88 IN Packaged Height: 26.62 IN

Nameplate Specifications

Output HP: 60 Hp Output KW: 45.0 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 144.0/72.0 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: 364TC Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6314 Opp Drive End Bearing Size: 6312
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: .1 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: 31.73 in
Frame Length: 13.50 in Shaft Diameter: 2.375 in
Shaft Extension: 5.88 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)
1/3 400.00 556.0 325.00 184.0 600 60.00
2/3 300.00 417.0 400.00 226.0 1,200 60.00
Locked-Rotor 435.00 604.0 375.00 212.0 0 37.0 60.00
Full Load 72.00 100.0 177.00 100.0 1,775 60.00
No Load 26.00 36.0 0.00 0.0 1,800 60.00
Break-Down 250.00 347.0 475.00 268.0 1,715 60.00
Pull-Up 350.00 486.0 350.00 198.0 900 60.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 26.00 31.00 42.00 56.00 72.00 83.00 89.00
Rated Output (KW) 1.50 12.50 24.00 35.50 47.50 54.50 60.00
Efficiency (%) 0.0 88.5 92.4 93.6 93.6 93.0 93.0
Power Factor (%) 6.0 50.0 72.0 80.0 83.0 84.0 84.5
Speed (RPM) 1,800 1,795 1,790 1,785 1,775 1,772 1,770
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 44.00 88.00 133.00 177.00 205.00 222.00
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