Marathon 25 HP Close-Coupled Pump Motor, 3 phase, 1800 RPM, 575 V, 284JP Frame, ODP - U229

Catalog #:U229
Part #:284TTDP4045
  • NEMA JP pump shaft dimensions
  • JPV frame includes drip cover for vertical mount without base
  • JP frame has rigid base, drip cover not included
  • Ball bearings, mechanically locked on shaft end
  • Continuous duty
  • 1.15 Service Factor
  • UL Recognized and CSA Certified
  • UL Listed for Fire Pump applications (except as noted)
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General Specifications

UPC: 722856035677 Weight: 348.00 LB
Packaged Length: 30.75 IN Packaged Width: 21.75 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60 Hz Voltage: 575 V
Current: 24.4 A Speed: 1765 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91.7 % Power Factor: 84
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: F
Frame: 284JP Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6210
UL: Recognized CSA: Y
CE: Y IP Code: 23

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: .399 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: JP Overall Length: 27.18 in
Frame Length: 12.75 in Shaft Diameter: 1.25 in
Shaft Extension: 8.15 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)
2/3 140.00 459.0 125.00 168.0 1,450 25.00
Locked-Rotor 170.00 557.0 120.00 161.0 0 38.0 25.00
Full Load 30.50 100.0 74.50 100.0 1,765 25.00
Pull-Up 155.00 508.0 115.00 154.0 1,250 25.00
Break-Down 105.00 344.0 170.00 228.0 1,650 66.0 25.00
1/3 165.00 541.0 105.00 141.0 1,000 25.00
No Load 10.80 35.0 0.00 0.0 1,800 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 120 % 125 %
Current (Amps) 8.64 10.24 14.00 18.80 24.40 27.20 29.20 30.40
Rated Output (KW) 0.70 5.00 10.00 15.00 20.50 23.50 25.00 26.00
Efficiency (%) 0.0 88.5 91.7 92.4 91.7 91.0 90.2 90.2
Power Factor (%) 6.5 54.0 74.0 82.0 84.0 84.5 85.0 85.0
Speed (RPM) 1,800 1,795 1,785 1,775 1,765 1,760 1,760 1,755
Temp. Rise @ FL 0.0 0.0 0.0 0.0 45.0 60.0 65.0 75.0
Torque (ft-lbs) 0.00 18.50 36.50 56.00 74.50 84.00 89.50 94.00
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