Marathon 25 HP Automotive Duty Motor, 3 phase, 1800 RPM, 460 V, 324U Frame, TEFC - P348

Catalog #:P348
Part #:324UTFS8026
  • 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:671.00 LB

General Specifications

Weight: 671.00 LB Packaged Length: 37.88 IN
Packaged Width: 31.88 IN Packaged Height: 24.64 IN

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60 Hz Voltage: 460 V
Current: 30.5 A Speed: 1780 rpm
Service Factor: 1 Phase: 3
Efficiency: 92.4 % Power Factor: 83
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 324U Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 65 °C
Drive End Bearing Size: 6312 Opp Drive End Bearing Size: 6311
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: .228 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: 29.24 in
Frame Length: 11.50 in Shaft Diameter: 1.875 in
Shaft Extension: 5.87 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)
Pull-Up 165.00 542.0 110.00 148.0 900 25.00
2/3 150.00 492.0 125.00 170.0 1,200 25.00
1/3 175.00 574.0 110.00 148.0 600 25.00
Break-Down 100.00 328.0 180.00 242.0 1,700 65.0 25.00
Locked-Rotor 180.00 590.0 125.00 168.0 0 31.0 25.00
Full Load 30.50 100.0 73.80 100.0 1,780 83.0 25.00
No Load 11.50 37.5 0.00 0.0 1,800 9.0 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 11.50 13.50 18.20 24.00 30.50 35.00 38.00
Rated Output (KW) 1.50 5.50 10.50 15.20 20.20 23.50 25.50
Efficiency (%) 0.0 84.0 90.2 91.7 92.4 92.4 91.7
Power Factor (%) 9.0 51.0 71.0 79.5 83.0 84.0 84.0
Speed (RPM) 1,800 1,795 1,790 1,785 1,780 1,778 1,775
Temp. Rise @ FL 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 18.30 36.80 55.20 73.80 85.00 92.50
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