Marathon 25 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 460 V, 324T Frame, TEAO - S525

Catalog #:S525
Part #:324TTTS18577
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external epoxy paint
  • CR200 Corona resistant magnet wire
  • Class H insulation system
  • Normally closed thermostats (one per phase, Class H)
  • Heat stabilized ball bearings and high temperature grease
  • Suitable for inverter use for 20:1 Variable Torque with 1.0 S.F. in 90°C ambient
  • Suitable for 90OC ambient at 1.15 S.F. or 100OC ambient at 1.0 S.F.
  • Extended grease tubes, Regreasable in service
  • 8 Foot Leads
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Weight:675.00 LB
List Price: $9,234.00

General Specifications

UPC: 722856042958 Weight: 675.00 LB
Packaged Length: 37.88 IN Packaged Width: 31.88 IN
Packaged Height: 24.39 IN

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60 Hz Voltage: 460 V
Current: 32.5 A Speed: 1182 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 93 % Power Factor: 78
Duty: Continuous Insulation Class: H
Design Code: B KVA Code: G
Frame: 324T Enclosure: Totally Enclosed Air Over
Thermal Protection: No Ambient Temperature: 90 °C
Drive End Bearing Size: 6312 Opp Drive End Bearing Size: 6311
UL: No CSA: Y
CE: N IP Code: 54

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: .255 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball / Heat Stabilized
Opp Drive End Bearing: Ball / Heat Stabilized Frame Material: Cast Iron
Shaft Type: T Overall Length: 27.50 in
Frame Length: 13.00 in Shaft Diameter: 2.125 in
Shaft Extension: 5.5 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)
Locked-Rotor 182.00 560.0 165.00 147.0 0 28.0 25.00
Break-Down 110.00 338.0 270.00 241.0 1,100 62.0 25.00
No Load 14.50 45.0 0.00 0.0 1,200 25.00
Full Load 32.50 100.0 112.00 100.0 1,182 25.00
Pull-Up 168.00 517.0 190.00 170.0 600 25.00
2/3 155.00 477.0 210.00 188.0 800 25.00
1/3 175.00 538.0 185.00 165.0 400 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 14.50 16.00 20.50 26.00 32.50 37.00 40.00
Rated Output (KW) 0.75 5.50 10.00 15.00 20.00 23.20 25.50
Efficiency (%) 0.0 88.5 91.7 93.0 93.0 92.4 91.7
Power Factor (%) 4.5 41.0 62.0 73.0 78.0 79.0 79.5
Speed (RPM) 1,200 1,195 1,190 1,188 1,182 1,178 1,175
Temp. Rise @ FL 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 27.50 55.00 83.50 112.00 128.00 140.00
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