Marathon 1.50 HP General Purpose Motor, 3 phase, 3600 RPM, 230/460 V, 143TC Frame, TEFC - U733

Catalog #:U733
Part #:143TTFR4010
  • 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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Weight:35.00 LB

General Specifications

UPC: 722856016195 Weight: 35.00 LB
Packaged Length: 16.38 IN Packaged Width: 10.5 IN
Packaged Height: 8.62 IN

Nameplate Specifications

Output HP: 1.50 Hp Output KW: 1.1 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 4.0/2.0 A Speed: 3500 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 82.5 % Power Factor: 84.5
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: L
Frame: 143TC Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6203
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: 10.2 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: T Overall Length: 12.87 in
Frame Length: 7.56 in Shaft Diameter: 0.875 in
Shaft Extension: 1.96 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)
Pull-Up 16.00 800.0 6.00 273.0 1,500 1.50
1/3 17.00 850.0 5.50 250.0 1,000 1.50
Locked-Rotor 18.00 900.0 6.50 295.0 0 63.0 1.50
2/3 15.00 750.0 7.00 318.0 2,200 1.50
No Load 0.85 43.0 0.00 0.0 3,600 1.50
Break-Down 11.50 575.0 9.00 409.0 2,725 81.0 1.50
Full Load 2.00 100.0 2.20 100.0 3,500 1.50

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 % 130 %
Current (Amps) 0.85 1.00 1.25 1.60 2.00 2.20 2.40 2.50
Rated Output (KW) 0.15 0.45 0.75 1.10 1.40 1.60 1.70 1.75
Efficiency (%) 0.0 70.0 80.0 82.5 82.5 82.5 81.5 81.0
Power Factor (%) 15.0 49.5 69.0 79.0 84.5 86.0 87.0 87.6
Speed (RPM) 3,600 3,575 3,550 3,525 3,500 3,485 3,475 3,470
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 55.0 55.0 70.0
Torque (ft-lbs) 0.00 0.55 1.10 1.70 2.20 2.60 2.80 2.95
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