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449THFS8037 – Marathon 300 HP Variable Speed Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – Y580

449THFS8037 – Marathon 300 HP Variable Speed Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – Y580

449THFS8037 Marathon 2000:1 With Encoder Provision Motors

Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.

  • MAX GUARD® Class H insulation system
  • Constant torque operation from 0 to base speed on vector drive, including TEFC (On Volts/Hertz drives, TEFC motors are limited to 20:1 constant torque
  • Constant HP operation to twice base speed (143-256 frame);1.5 times base (all others)
  • Optimized for operation with IGBT inverter (NEMA Design A)
  • Normally closed thermostats (one per phase, class F)
  • Blue Chip quality, cast iron frame and brackets
  • Patented “fracket” design (TEBC enclosure)
  • Suitable for 20:1 CT on vector drive, continuous duty or 2000:1

Marathon Motors
Regal Beloit

Original price was: $80,138.00.Current price is: $46,563.38.

Description

449THFS8037 – Marathon 300 HP Variable Speed Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – Y580

449THFS8037 Marathon 2000:1 With Encoder Provision Motors

Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.

General Specifications

UPC: 722856025524 Weight: 0 LB
Packaged Length: 66 IN Packaged Width: 46 IN
Packaged Height: 32.86 IN

Nameplate Specifications

Output HP: 300 Hp Output KW: 224.0 kW
Frequency: 60 Hz Voltage: 460 V
Current: 330.0 A Speed: 1788 rpm
Service Factor: 1 Phase: 3
Efficiency: 95.4 % Power Factor: 89.5
Duty: Continuous Insulation Class: H
Design Code: INV KVA Code: J
Frame: 447/449T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: Thermostats (N/C) Ambient Temperature: 40 °C
Drive End Bearing Size: 6319 Opp Drive End Bearing Size: 6318
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Inverter Duty Starting Method: Inverter Only
Poles: 4 Rotation: Reversible
Resistance Main: .0085 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: 54.03 in
Frame Length: 28.75 in Shaft Diameter: 3.375 in
Shaft Extension: 8.75 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 95.00 29.0 0.00 0.0 1,800 300.00
2/3 2,550.00 773.0 1,550.00 176.0 1,200 300.00
1/3 2,800.00 848.0 1,250.00 142.0 600 300.00
Locked-Rotor 2,850.00 864.0 1,445.00 164.0 0 25.0 300.00
Pull-Up 2,700.00 818.0 1,300.00 148.0 900 300.00
Break-Down 1,450.00 439.0 2,925.00 332.0 1,715 71.5 300.00
Full Load 330.00 100.0 881.00 100.0 1,788 300.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 % 200 %
Current (Amps) 95.00 125.00 185.00 255.00 330.00 415.00 0.00 0.00
Rated Output (KW) 7.50 61.50 118.00 176.00 234.00 297.00 0.00 0.00
Efficiency (%) 0.0 90.2 94.1 95.0 95.4 95.0 0.0 0.0
Power Factor (%) 7.5 62.0 80.0 87.0 89.5 90.0 0.0 0.0
Speed (RPM) 1,800 1,796 1,794 1,790 1,788 1,782 0 0
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 220.00 440.00 660.00 881.00 1,100.00 0.00 0.00

Marathon Motors
Regal Beloit

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