Marathon 350 HP 350,3600,TEFC,5011S,3/60/2300/4000, 3 phase, 3600 RPM, 2300/4000 V, 5011S Frame, TEFC - Y260

Catalog #:Y260
Part #:5011SVFS16505
  • 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:5,398.00 LB

General Specifications

Weight: 5,398.00 LB Packaged Length: 90 IN
Packaged Width: 56 IN Packaged Height: 35.32 IN

Nameplate Specifications

Output HP: 350 Hp Output KW: 260.0 kW
Frequency: 60 Hz Voltage: 2300/4000 V
Current: 76.5/44.0 A Speed: 3578 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 94.5 % Power Factor: 89
Duty: Continous Insulation Class: H
Design Code: A KVA Code: J
Frame: 5011S Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6314 Opp Drive End Bearing Size: 6314
UL: No CSA: Y
CE: N IP Code: 55

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 2 Rotation: Reversible
Resistance Main: .158 Ohms Mounting: Rigid base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: S Overall Length: 67.55 in
Frame Length: 49.50 in Shaft Diameter: 2.625 in
Shaft Extension: 6.03 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 650.00 850.0 1,050.00 204.0 0 27.0 350.00
Break-Down 375.00 490.0 1,750.00 340.0 3,400 66.0 350.00
No Load 22.00 29.0 0.00 0.0 3,600 350.00
Full Load 76.50 100.0 514.00 100.0 3,578 350.00
Pull-Up 525.00 686.0 900.00 175.0 1,800 350.00
1/3 560.00 732.0 875.00 170.0 1,200 350.00
2/3 475.00 621.0 1,050.00 204.0 2,400 350.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 12.65 17.25 25.59 34.50 43.99 50.03 54.34
Rated Output (KW) 8.00 73.00 139.00 206.00 273.00 314.00 342.00
Efficiency (%) 0.0 89.5 93.0 94.1 94.5 94.5 94.1
Power Factor (%) 8.0 60.0 80.0 86.0 89.0 90.0 90.0
Speed (RPM) 3,600 3,595 3,588 3,582 3,578 3,575 3,572
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 128.00 256.00 385.00 514.00 592.00 644.00
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