Marathon 400 HP 400,1800,TEFC,5011LX,3/60/2300/4000, 3 phase, 1800 RPM, 2300/4000 V, 5011LX Frame, TEFC - Y936

Catalog #:Y936
Part #:5011LXVFS6544
  • Cast iron construction B-10 life on direct-coupled loads
  • Open Conrad radial ball bearings rated for 100,000 hour B-10 life on direct-coupled loads
  • Oversized, fabricated steel conduit box
  • Class H insulation and form wound coils
  • Epoxy, 100% solids, Vacuum Pressure Impregnation (VPI) resin
  • Grease fittings with extended grease tubes
  • Internal and external epoxy finish
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Weight:5,500.00 LB

General Specifications

Weight: 5,500.00 LB Packaged Length: 90 IN
Packaged Width: 56 IN Packaged Height: 35.32 IN

Nameplate Specifications

Output HP: 400 Hp Output KW: 300.0 kW
Frequency: 60 Hz Voltage: 2300/4000 V
Current: 92.0/53.0 A Speed: 1780 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.4 % Power Factor: 85
Duty: Continous Insulation Class: H
Design Code: B KVA Code: G
Frame: 5011LX Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6324 Opp Drive End Bearing Size: 6318
UL: No CSA: Y
CE: N IP Code: 55

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: .144 Ohms Mounting: Rigid base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: LX Overall Length: 73.8 in
Frame Length: 49.50 in Shaft Diameter: 3.875 in
Shaft Extension: 12.3 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)
2/3 450.00 489.0 2,250.00 191.0 1,200 400.00
1/3 550.00 598.0 1,750.00 149.0 600 400.00
Locked-Rotor 580.00 630.0 2,100.00 178.0 0 25.0 400.00
No Load 30.50 33.0 0.00 0.0 1,800 400.00
Pull-Up 500.00 543.0 1,775.00 151.0 900 400.00
Full Load 92.00 100.0 1,178.00 100.0 1,780 400.00
Break-Down 350.00 380.0 3,150.00 267.0 1,725 400.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 17.54 21.28 30.19 41.11 52.90 60.38 66.13
Rated Output (KW) 6.50 81.00 157.00 234.00 311.00 358.00 390.00
Efficiency (%) 0.0 90.2 94.1 95.4 95.4 95.4 95.0
Power Factor (%) 5.0 55.0 75.0 82.0 85.0 85.5 85.5
Speed (RPM) 1,800 1,795 1,792 1,785 1,780 1,778 1,775
Temp. Rise @ FL 0.0 0.0 0.0 0.0 90.0 0.0 0.0
Torque (ft-lbs) 0.00 293.00 586.00 882.00 1,178.00 1,358.00 1,478.00
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