Marathon 40,10 HP 2 speed Definite Purpose AC Motor, 3 phase, 1800/900 RPM, 460 V, 326T Frame, TEFC - Y388

Catalog #:Y388
Part #:326TTFS9210
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external epoxy paint
  • Class F insulation
  • Extended grease tubes, Regreasable in service
  • T-drains provided for effective drainage
  • Shaft Slinger, Forsheda seals on both ends
  • Actual test and vibration data supplied with each motor
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Weight:751.00 LB
List Price: $11,834.00

General Specifications

UPC: 722856042293 Weight: 751.00 LB
Packaged Length: 37.88 IN Packaged Width: 31.88 IN
Packaged Height: 24.4 IN

Nameplate Specifications

Output HP: 40,10 Hp Output KW: 30.0 kW
Frequency: 60 Hz Voltage: 460 V
Current: 46,14.6 A Speed: 1782,888 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91 % Power Factor: 88
Duty: Continuous Insulation Class: F
Design Code: 1VT KVA Code: K
Frame: 326T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6312 Opp Drive End Bearing Size: 6311
UL: Recognized CSA: Y
CE: Y IP Code: 55

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4/8 Rotation: Reversible
Resistance Main: .188 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: T Overall Length: 30.38 in
Frame Length: 13.00 in Shaft Diameter: 2.125 in
Shaft Extension: 5.49 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)
No Load 14.20 31.0 0.00 0.0 1,800 40.00
1/3 400.00 870.0 200.00 169.0 600 40.00
Pull-Up 375.00 815.0 200.00 169.0 1,050 40.00
Locked-Rotor 425.00 924.0 225.00 191.0 0 33.0 40.00
2/3 325.00 707.0 210.00 178.0 1,400 40.00
Break-Down 225.00 489.0 375.00 318.0 1,675 73.0 40.00
Full Load 46.00 100.0 118.00 100.0 1,782 40.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 14.20 18.20 26.00 35.50 46.00 53.60 57.50
Rated Output (KW) 1.50 8.80 16.50 24.50 32.60 37.80 41.20
Efficiency (%) 0.0 85.5 90.2 91.7 91.0 91.0 90.2
Power Factor (%) 9.0 60.0 79.0 86.0 88.0 89.0 89.0
Speed (RPM) 1,800 1,795 1,792 1,788 1,782 1,780 1,778
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 29.30 58.70 88.20 118.00 136.00 148.00
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