Marathon 25 HP Automotive Duty Motor, 3 phase, 1200 RPM, 460 V, 364UC Frame, TEFC - P540

Catalog #:P540
Part #:364UTFS4087
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General Specifications

Weight: 978.00 LB

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60 Hz Voltage: 460 V
Current: 31 A Speed: 1185 rpm
Service Factor: 1 Phase: 3
Efficiency: 93 % Power Factor: 81
Duty: CONTINUOUS Insulation Class: F
Design Code: B KVA Code: G
Frame: 364UC Enclosure: TEFC
Thermal Protection: NOT Ambient Temperature: 65 °C
Drive End Bearing Size: 6314 Opp Drive End Bearing Size: 6312
UL: No CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: SQ CAGE IND RUN Starting Method: ACROSS THE LINE
Poles: 6 Rotation: REV
Resistance Main: 0.265 Ohms Mounting: RIGID
Motor Orientation: HORIZONTAL Drive End Bearing: BALL
Opp Drive End Bearing: BALL Frame Material: CAST IRON
Shaft Type: U Overall Length: 31.52 in
Frame Length: 13.5 in Shaft Diameter: 2.13 in
Shaft Extension: 6.12 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)
Break-Down 110.00 355.0 275.00 248.0 1,110 64.0 25.00
1/3 175.00 565.0 165.00 149.0 400 25.00
2/3 150.00 484.0 200.00 180.0 800 25.00
Full Load 31.00 100.0 111.00 100.0 1,185 25.00
Locked-Rotor 182.00 587.0 185.00 167.0 0 30.0 25.00
No Load 12.20 39.0 0.00 0.0 1,200 25.00
Pull-Up 165.00 532.0 170.00 153.0 600 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 12.20 14.20 18.80 24.50 31.00 35.00 38.00
Rated Output (KW) 0.75 5.50 10.20 15.00 20.00 23.00 25.20
Efficiency (%) 0.0 86.5 91.7 93.0 93.0 93.0 92.4
Power Factor (%) 6.0 47.0 67.0 76.5 81.0 82.0 82.5
Speed (RPM) 1,200 1,195 1,192 1,188 1,185 1,182 1,180
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 55.0 70.0
Torque (ft-lbs) 0.00 27.50 55.00 83.00 111.00 128.00 139.00
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