Marathon 30 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 460 V, 326T Frame, TEAO - S528

Catalog #:S528
Part #:326TTTS18577
  • 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:725.00 LB
List Price: $9,778.00

General Specifications

UPC: 722856042965 Weight: 725.00 LB
Packaged Length: 37.88 IN Packaged Width: 31.88 IN
Packaged Height: 24.39 IN

Nameplate Specifications

Output HP: 30 Hp Output KW: 22.4 kW
Frequency: 60 Hz Voltage: 460 V
Current: 38.5 A Speed: 1182 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 93 % Power Factor: 79
Duty: Continuous Insulation Class: H
Design Code: B KVA Code: G
Frame: 326T 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: .21 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)
1/3 210.00 545.0 175.00 131.0 400 30.00
No Load 15.00 39.0 0.00 0.0 1,200 30.00
Pull-Up 200.00 519.0 175.00 131.0 600 30.00
Locked-Rotor 217.00 564.0 200.00 149.0 0 30.0 30.00
2/3 180.00 468.0 190.00 142.0 800 30.00
Full Load 38.50 100.0 134.00 100.0 1,182 30.00
Break-Down 140.00 364.0 375.00 280.0 1,100 66.0 30.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 15.00 17.50 23.00 30.00 38.50 43.50 47.50
Rated Output (KW) 0.50 6.50 12.00 18.00 24.00 27.50 30.50
Efficiency (%) 0.0 88.5 92.4 93.0 93.0 92.4 91.7
Power Factor (%) 5.0 46.0 66.0 75.0 79.0 80.0 80.5
Speed (RPM) 1,200 1,195 1,190 1,185 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 33.00 66.00 100.00 134.00 154.00 168.00
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