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449TTFS16102 – Marathon 250 HP General Purpose Motor, 3 phase, 900 RPM, 460 V, 449TZ Frame, TEFC – L471A

449TTFS16102 – Marathon 250 HP General Purpose Motor, 3 phase, 900 RPM, 460 V, 449TZ Frame, TEFC – L471A

449TTFS16102 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
  • Roller bearing on shaft end for belted load only
  • 12 Leads for WYE-DELTA, part winding on low voltage, or across-the-line starting

Marathon Motors
Regal Beloit

Original price was: $58,930.00.Current price is: $42,005.30.

Description

449TTFS16102 – Marathon 250 HP General Purpose Motor, 3 phase, 900 RPM, 460 V, 449TZ Frame, TEFC – L471A

449TTFS16102 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: 722856052292 Weight: 0 LB
Packaged Length: 60 IN Packaged Width: 43 IN
Packaged Height: 30 IN

Nameplate Specifications

Output HP: 250 Hp Output KW: 187.0 kW
Frequency: 60/50 Hz Voltage: 460 V
Current: 324.0 A Speed: 890 rpm
Service Factor: 1 Phase: 3
Efficiency: 95 % Power Factor: 76
Duty: Continuous Insulation Class: H
Design Code: B KVA Code: G
Frame: 447/449TZ Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: NU322 Opp Drive End Bearing Size: 6318
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Part Wdg Start & Wye Start Delta Run
Poles: 8 Rotation: Reversible
Resistance Main: .0138 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Roller
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: Single Special Extension Overall Length: 56.79 in
Frame Length: 28.77 in Shaft Diameter: 4.000 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)
Pull-Up 1,700.00 525.0 1,750.00 118.0 450 250.00
No Load 132.00 41.0 0.00 0.0 900 250.00
Break-Down 950.00 293.0 3,000.00 203.0 850 58.0 250.00
Full Load 324.00 100.0 1,478.00 100.0 890 250.00
2/3 1,550.00 478.0 1,900.00 129.0 600 250.00
1/3 1,800.00 556.0 1,750.00 118.0 300 250.00
Locked-Rotor 1,825.00 563.0 2,000.00 135.0 0 22.0 250.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 132.00 152.00 196.00 255.00 324.00 370.00 402.00
Rated Output (KW) 5.00 50.50 98.00 147.00 196.00 227.00 247.00
Efficiency (%) 0.0 92.4 95.0 95.0 95.0 94.5 94.1
Power Factor (%) 3.0 41.0 63.0 72.5 76.0 77.0 77.0
Speed (RPM) 900 898 895 892 890 888 885
Temp. Rise @ FL 0.0 0.0 0.0 0.0 90.0 0.0 0.0
Torque (ft-lbs) 0.00 366.00 734.00 1,105.00 1,478.00 1,704.00 1,855.00

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!!!