Marathon 15 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 284U Frame, TEFC - P440

Catalog #:P440
Part #:284UTFPA4026
  • Cast iron construction
  • Oversized, fully gasketed, cast iron conduit box
  • Oversized ball bearings
  • NEMA Design B
  • Class F insulation
  • V-Ring shaft seals
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Weight:525.00 LB

General Specifications

UPC: 722856060570 Weight: 525.00 LB
Packaged Length: 35 IN Packaged Width: 26 IN
Packaged Height: 23.72 IN

Nameplate Specifications

Output HP: 15 Hp Output KW: 11.2 kW
Frequency: 60 Hz Voltage: 460 V
Current: 18.0 A Speed: 1770 rpm
Service Factor: 1 Phase: 3
Efficiency: 92.4 % Power Factor: 85
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: F
Frame: 284U Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 65 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6210
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: .629 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: U Overall Length: 26.56 in
Frame Length: 12.75 in Shaft Diameter: 1.625 in
Shaft Extension: 5.08 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)
2/3 80.00 444.0 79.00 178.0 1,200 15.00
No Load 6.00 33.0 0.00 0.0 1,800 15.00
Full Load 18.00 100.0 44.50 100.0 1,770 15.00
Locked-Rotor 100.00 556.0 75.00 169.0 0 36.0 15.00
Pull-Up 90.00 500.0 68.00 153.0 900 15.00
1/3 95.00 528.0 64.00 144.0 600 15.00
Break-Down 65.00 361.0 110.00 247.0 1,640 68.0 15.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 6.00 7.00 10.00 13.50 18.00 20.00 22.00
Rated Output (KW) 0.30 3.00 6.00 9.00 12.00 14.00 15.00
Efficiency (%) 0.0 89.5 92.4 93.0 92.4 92.4 91.7
Power Factor (%) 6.0 53.0 74.0 82.0 85.0 85.5 85.5
Speed (RPM) 1,800 1,790 1,785 1,775 1,770 1,765 1,760
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 55.0 70.0
Torque (ft-lbs) 0.00 11.00 22.00 33.50 44.50 51.50 56.00
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