Marathon 2 HP General Purpose Motor, 3 phase, 3600 RPM, 575 V, 145T Frame, TEFC - E843

Catalog #:E843
Part #:145TTFR4007
  • Frame constructions are heavy gauge steel or Aluminum, as noted
  • Ball bearings (except as noted)
  • 1.15 Service Factor (except as noted)
  • 60/50 hertz at next lower horsepower, as noted
  • Will accept C-Face Kits as noted, also see Accessories section
  • UL Recognized and CSA Certified
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General Specifications

UPC: 722856014030 Weight: 38.00 LB
Packaged Length: 16.38 IN Packaged Width: 10.5 IN
Packaged Height: 8.62 IN

Nameplate Specifications

Output HP: 2 Hp Output KW: 1.5 kW
Frequency: 60 Hz Voltage: 575 V
Current: 2.1 A Speed: 3490 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 84 % Power Factor: 85
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: L
Frame: 145T 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: 7.05 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: 13.37 in
Frame Length: 8.06 in Shaft Diameter: 0.875 in
Shaft Extension: 2.28 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)
1/3 22.00 846.0 8.50 283.0 1,000 2.00
Pull-Up 20.00 769.0 9.00 300.0 1,800 2.00
2/3 18.00 692.0 10.50 350.0 2,000 2.00
No Load 1.10 42.0 0.00 0.0 3,600 2.00
Break-Down 16.00 615.0 12.80 427.0 2,485 81.0 2.00
Locked-Rotor 23.50 904.0 10.00 333.0 0 65.0 2.00
Full Load 2.60 100.0 3.00 100.0 3,490 2.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 0.88 0.96 1.36 1.68 2.08 2.32 2.56
Rated Output (KW) 0.20 0.55 1.00 1.40 1.80 2.10 2.20
Efficiency (%) 0.0 72.5 82.5 84.0 84.0 84.0 84.0
Power Factor (%) 14.5 51.0 70.0 80.0 85.0 86.5 87.5
Speed (RPM) 3,600 3,570 3,545 3,515 3,490 3,470 3,455
Temp. Rise @ FL 0.0 0.0 0.0 0.0 50.0 60.0 70.0
Torque (ft-lbs) 0.00 0.75 1.50 2.20 3.00 3.50 3.80
Catalog #:E2131
Part #:145TTFR16020
List Price: $827.00
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