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447TSTDN7003 – Marathon 350 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 447TS Frame, ODP – H193

447TSTDN7003 – Marathon 350 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 447TS Frame, ODP – H193

447TSTDN7003 Marathon Fire Pump Motors

  • Designed for use on pumps for fire pump duty
  • UL file EX5190, CSA file LR2025 and CE mark
  • 50°C ambient
  • Red paint on 25 HP through 200 HP
  • NEMA Design B, Code G or less
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
  • Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
  • Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage

Marathon Motors
Regal Beloit

Description

447TSTDN7003 – Marathon 350 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 447TS Frame, ODP – H193

447TSTDN7003 Marathon Fire Pump Motors

General Specifications

UPC: 722856048653 Weight: 0 LB
Packaged Length: 56 IN Packaged Width: 46 IN
Packaged Height: 31.18 IN

Nameplate Specifications

Output HP: 350 Hp Output KW: 260.0 kW
Frequency: 60/50 Hz Voltage: 460 V
Current: 385.0 A Speed: 3565 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95 % Power Factor: 88.5
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: F
Frame: 447TS Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 50 °C
Drive End Bearing Size: 6314 Opp Drive End Bearing Size: 6314
UL: Listed CSA: Y
CE: Y IP Code: 12

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Part Wdg Start & Wye Start Delta Run
Poles: 2 Rotation: Reversible
Resistance Main: .0145 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: TS Overall Length: 39.38 in
Frame Length: 24.38 in Shaft Diameter: 2.375 in
Shaft Extension: 5.01 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)
Break-Down 1,375.00 358.0 1,250.00 242.0 3,400 350.00
No Load 98.00 25.5 0.00 0.0 3,600 5.0 350.00
Pull-Up 2,050.00 532.0 470.00 90.0 1,800 350.00
Full Load 385.00 100.0 516.00 100.0 3,565 88.5 350.00
1/3 2,150.00 558.0 445.00 86.0 1,200 350.00
Locked-Rotor 2,175.00 565.0 525.00 100.0 0 22.0 350.00
2/3 1,900.00 495.0 550.00 106.0 2,400 350.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 100.00 135.00 208.00 295.00 385.00 442.00 485.00
Rated Output (KW) 6.50 70.50 137.00 205.00 275.00 317.00 345.00
Efficiency (%) 0.0 92.4 94.5 95.0 95.0 95.0 94.5
Power Factor (%) 5.0 65.0 82.5 87.5 88.5 89.0 89.0
Speed (RPM) 3,600 3,590 3,582 3,575 3,565 3,560 3,552
Temp. Rise @ FL 0.0 0.0 0.0 0.0 70.0 90.0 0.0
Torque (ft-lbs) 0.00 128.00 257.00 386.00 516.00 594.00 646.00

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!!!