Marathon 1.50 HP Close-Coupled Pump Motor, 3 phase, 1800 RPM, 575 V, 145JMV Frame, ODP - E129

Catalog #:E129
Part #:145TTDR4047
  • NEMA JM pump shaft dimensions
  • JMV frame includes drip cover for vertical mount without base
  • JM 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: 722856032928 Weight: 40.00 LB
Packaged Length: 19.88 IN Packaged Width: 10.25 IN
Packaged Height: 8.12 IN

Nameplate Specifications

Output HP: 1.50 Hp Output KW: 1.1 kW
Frequency: 60 Hz Voltage: 575 V
Current: 1.8 A Speed: 1750 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 84 % Power Factor: 78.5
Duty: Continuous Insulation Class: B
Design Code: B KVA Code: M
Frame: 145JMV Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6206 Opp Drive End Bearing Size: 6203
UL: Recognized CSA: Y
CE: Y IP Code: 22

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: 10.83 Ohms Mounting: Round
Motor Orientation: Shaft Down Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: JM Overall Length: 14.92 in
Frame Length: 8.56 in Shaft Diameter: 0.875 in
Shaft Extension: 4.25 in Assembly/Box Mounting: W6

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Break-Down 13.00 591.0 20.00 444.0 1,250 83.5 1.50
1/3 19.00 864.0 13.20 293.0 200 1.50
No Load 1.30 59.0 0.00 0.0 1,800 1.50
Full Load 2.20 100.0 4.50 100.0 1,750 1.50
Pull-Up 18.00 818.0 13.50 300.0 500 1.50
2/3 16.50 750.0 15.50 344.0 900 1.50
Locked-Rotor 19.50 886.0 15.30 340.0 0 71.0 1.50

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 1.04 1.12 1.20 1.44 1.76 1.92 2.08
Rated Output (KW) 0.10 0.40 0.70 1.00 1.30 1.50 1.70
Efficiency (%) 0.0 73.0 82.5 84.0 84.0 84.0 82.5
Power Factor (%) 9.0 37.0 55.0 67.0 78.5 79.0 80.0
Speed (RPM) 1,800 1,788 1,775 1,760 1,750 1,740 1,735
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 55.0 65.0
Torque (ft-lbs) 0.00 1.10 2.20 3.40 4.50 5.20 5.70
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