Marathon 1 HP General Purpose Motor, 3 phase, 1800 RPM, 575 V, 143T Frame, TENV - E828

Catalog #:E828
Part #:143TTTN4030
  • Frame constructions are heavy gauge steel or Aluminum, as noted
  • 1.15 Service Factor
  • Nameplated 60/50 hertz at next lowest horsepower
  • Will accept C-Face Kits as noted, also see Accessories section
  • Severe duty kits available, see Accessories section
  • Shaft slinger, Regreasable bearings (182T and larger), lead lugs (364T and larger), and bearing caps on 444T and larger
  • Ball Bearings, except where noted
  • UL Recognized and CSA Certified
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General Specifications

UPC: 722856014344 Weight: 50.00 LB
Packaged Length: 15.5 IN Packaged Width: 12.25 IN
Packaged Height: 9.38 IN

Nameplate Specifications

Output HP: 1 Hp Output KW: 0.75 kW
Frequency: 60 Hz Voltage: 575 V
Current: 1.3 A Speed: 1740 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 82.5 % Power Factor: 77
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: L
Frame: 143T Enclosure: Totally Enclosed Non Ventilated
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: 4 Rotation: Reversible
Resistance Main: 16.8 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: 10.43 in
Frame Length: 5.25 in Shaft Diameter: 0.875 in
Shaft Extension: 2.56 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 12.50 781.0 9.00 300.0 250 1.00
Break-Down 7.60 475.0 12.40 413.0 1,200 90.0 1.00
No Load 1.00 63.0 0.00 0.0 1,800 1.00
Full Load 1.60 100.0 3.00 100.0 1,740 1.00
Pull-Up 12.00 750.0 9.20 307.0 550 1.00
2/3 11.00 688.0 10.00 333.0 850 1.00
Locked-Rotor 13.00 813.0 9.30 310.0 0 70.0 1.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 0.64 0.80 0.88 1.12 1.28 1.36 1.44
Rated Output (KW) 0.10 0.30 0.50 0.70 0.90 1.10 1.20
Efficiency (%) 0.0 72.5 82.0 83.5 82.5 81.5 81.5
Power Factor (%) 12.5 38.0 58.0 70.0 77.0 81.5 83.0
Speed (RPM) 1,800 1,785 1,770 1,755 1,740 1,730 1,725
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 85.0 105.0
Torque (ft-lbs) 0.00 0.75 1.50 2.25 3.00 3.50 3.80
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