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449TTFS16374 – Marathon 300 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – L463A

449TTFS16374 – Marathon 300 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – L463A

449TTFS16374 Marathon Three Phase TEFC Motors

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

  • Meets or exceeds NEMA Premium® efficiencies
  • Inverter duty 10:1 variable torque and Constant torque, as noted
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • Motor will accept a C-face kit
  • Class H insulation
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
  • 12 Leads for WYE-DELTA, part winding on low voltage, or across-the-line starting

Marathon Motors
Regal Beloit

Original price was: $54,121.00.Current price is: $38,577.45.

Description

449TTFS16374 – Marathon 300 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 449T Frame, TEFC – L463A

449TTFS16374 Marathon Three Phase TEFC Motors

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

General Specifications

UPC: 722856052261 Weight: 0 LB
Packaged Length: 56 IN Packaged Width: 46 IN
Packaged Height: 32.86 IN

Nameplate Specifications

Output HP: 300 Hp Output KW: 224.0 kW
Frequency: 60/50 Hz Voltage: 460 V
Current: 341.0 A Speed: 1788 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 96.2 % Power Factor: 84.5
Duty: Continuous Insulation Class: H
Design Code: B KVA Code: G
Frame: 447/449T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No 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 Rated Starting Method: Part Wdg Start & Wye Start Delta Run Or Inverter
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: 28.25 in
Frame Length: 28.77 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)
2/3 1,950.00 562.0 1,800.00 204.0 1,200 300.00
Pull-Up 2,050.00 591.0 1,550.00 176.0 900 300.00
Full Load 347.00 100.0 881.00 100.0 1,788 300.00
1/3 2,175.00 627.0 1,450.00 165.0 600 300.00
Locked-Rotor 2,200.00 620.0 1,725.00 196.0 0 31.0 300.00
Break-Down 1,500.00 432.0 2,350.00 267.0 1,725 63.0 300.00
No Load 127.00 36.6 0.00 0.0 1,800 300.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 124.00 149.00 201.00 268.00 341.00 388.00 421.00
Rated Output (KW) 5.00 61.00 118.00 175.00 233.00 268.00 292.00
Efficiency (%) 0.0 91.0 94.5 95.4 96.2 95.8 95.8
Power Factor (%) 5.0 50.5 72.5 81.0 84.5 85.5 86.0
Speed (RPM) 1,800 1,797 1,795 1,790 1,788 1,785 1,784
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 219.00 439.00 660.00 881.00 1,015.00 1,104.00

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!!!