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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

Winter Weather Notice:

Our sales office and customer service teams may be disrupted on January 9th, 2025 due to a Severe Winter Weather advisory in their area. We apologize for any potential delays or disruptions this may pose to you and we appreciate your patience during this event.

 

In the meantime, please feel free to reach out to us for any quotes, questions, or concerns and we will do our best to respond in a timely manner – orders will still be processed normally.

Thanks!

Holiday Hours of Operation:

Our warehouses will be closed 12/24/2024-01/01/2025:

Our Sales Office will remain open with limited hours during this time and will continue to process orders – all shipments will resume on 01/02/2025 – feel free to purchase from our shop or contact us for quotes as usual.

*FYI: If you’ve placed an order with us before 12/24/2024, we are currently experiencing delays in manufacturing/shipping and are working hard to provide updates and complete fulfilment as quickly as possible – we thank you for your business and your patience*

Happy Holidays from IMEX!!!