Marathon 450 HP 450,1800,TEFC,5011LX(BAR),3/60/2300/4000, 3 phase, 1800 RPM, 2300/4000 V, 5011LX Frame, TEFC - Y937

Catalog #:Y937
Part #:5011LXVFS6545
  • NEMA Premium efficiencies as noted
  • 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
  • Roller bearing for belted loads
  • Oversized, fabricated steel conduit box
  • 1.15 Service Factor as available (consult factory)
  • 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:4,964.00 LB

General Specifications

Weight: 4,964.00 LB Packaged Length: 90 IN
Packaged Width: 56 IN Packaged Height: 35.32 IN

Nameplate Specifications

Output HP: 450 Hp Output KW: 340 kW
Frequency: 60 Hz Voltage: 2300/4000 V
Current: 100/57.5 A Speed: 1785 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 96.2 % Power Factor: 88
Duty: CONTINUOUS Insulation Class: H
Design Code: B KVA Code: G
Frame: 5011LX Enclosure: TEFC
Thermal Protection: NOT 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: SQ CAGE IND RUN Starting Method: ACROSS THE LINE
Poles: 4 Rotation: REV
Resistance Main: 0.16 Ohms Mounting: RIGID
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: 49.5 in Shaft Diameter: 3.88 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)
No Load 26.50 27.0 0.00 0.0 1,800 450.00
Locked-Rotor 650.00 650.0 1,750.00 132.0 0 23.0 450.00
Full Load 100.00 100.0 1,325.00 100.0 1,785 450.00
2/3 475.00 475.0 1,700.00 128.0 1,200 450.00
Break-Down 350.00 350.0 3,200.00 242.0 1,725 64.0 450.00
Pull-Up 575.00 575.0 1,500.00 113.0 900 450.00
1/3 625.00 625.0 1,500.00 113.0 600 450.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 15.24 20.41 31.05 43.70 57.50 65.55 71.88
Rated Output (KW) 7.00 90.50 175.00 261.00 348.00 401.00 436.00
Efficiency (%) 0.0 93.6 95.8 96.2 96.2 96.2 95.8
Power Factor (%) 4.5 63.0 81.0 87.0 88.0 88.5 88.5
Speed (RPM) 1,800 1,796 1,792 1,788 1,785 1,784 1,782
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 85.0 105.0
Torque (ft-lbs) 0.00 330.00 660.00 990.00 1,325.00 1,525.00 1,660.00
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