My Account                   Order Status
Search

447TTDN16058 – Marathon 250 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 447T Frame, ODP – E745A

447TTDN16058 – Marathon 250 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 447T Frame, ODP – E745A

447TTDN16058 Marathon Three Phase ODP 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® efficiency. Model is in compliance with EISA2007
  • Motor will not accept a C-face kit
  • NEMA design B
  • Part winding start capabiltiy
  • Roller bearing on shaft end for belted load only

Marathon Motors
Regal Beloit

Original price was: $39,540.00.Current price is: $22,974.32.

Description

447TTDN16058 – Marathon 250 HP General Purpose Motor, 3 phase, 1800 RPM, 460 V, 447T Frame, ODP – E745A

447TTDN16058 Marathon Three Phase ODP Motors

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

General Specifications

UPC: 722856004482 Weight: 0 LB
Packaged Length: 44.88 IN Packaged Width: 39.25 IN
Packaged Height: 30.89 IN

Nameplate Specifications

Output HP: 250 Hp Output KW: 187.0 kW
Frequency: 60 Hz Voltage: 460 V
Current: 284.0 A Speed: 1782 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.8 % Power Factor: 86
Duty: Continuous Insulation Class: B
Design Code: B KVA Code: F
Frame: 447T Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: NU318 Opp Drive End Bearing Size: 6314
UL: Recognized CSA: Y
CE: Y IP Code: 12

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Part Wdg Start
Poles: 4 Rotation: Reversible
Resistance Main: .017 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Roller
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: T Overall Length: 43.25 in
Frame Length: 24.38 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 81.00 29.0 0.00 0.0 1,800 250.00
Break-Down 875.00 308.0 1,550.00 211.0 1,725 64.0 250.00
Full Load 284.00 100.0 736.00 100.0 1,782 250.00
Locked-Rotor 1,650.00 581.0 1,325.00 180.0 0 32.0 250.00
Pull-Up 1,500.00 528.0 1,200.00 163.0 900 250.00
2/3 1,250.00 440.0 1,300.00 177.0 1,500 250.00
1/3 1,600.00 563.0 1,200.00 163.0 600 250.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 81.00 105.00 156.00 215.00 284.00 325.00 355.00
Rated Output (KW) 4.00 49.50 97.00 145.00 195.00 225.00 245.00
Efficiency (%) 0.0 94.1 95.8 95.8 95.8 95.8 95.4
Power Factor (%) 3.5 59.0 78.0 84.0 86.0 86.0 86.0
Speed (RPM) 1,800 1,796 1,792 1,788 1,782 1,780 1,778
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 50.0 60.0
Torque (ft-lbs) 0.00 183.00 366.00 551.00 736.00 848.00 925.00

Marathon Motors
Regal Beloit