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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