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447TSTDN7028 – Marathon 400 HP Fire Pump Motor, 3 phase, 1800 RPM, 460 V, 447TS Frame, ODP – H814

447TSTDN7028 – Marathon 400 HP Fire Pump Motor, 3 phase, 1800 RPM, 460 V, 447TS Frame, ODP – H814

447TSTDN7028 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

447TSTDN7028 – Marathon 400 HP Fire Pump Motor, 3 phase, 1800 RPM, 460 V, 447TS Frame, ODP – H814

447TSTDN7028 Marathon Fire Pump Motors

General Specifications

UPC: 722856048684 Weight: 2,220.00 LB
Packaged Length: 56 IN Packaged Width: 46 IN
Packaged Height: 31.18 IN

Nameplate Specifications

Output HP: 400 Hp Output KW: 300.0 kW
Frequency: 60/50 Hz Voltage: 460 V
Current: 450.0 A Speed: 1782 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.4 % Power Factor: 87
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: 4 Rotation: Reversible
Resistance Main: .012 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: 39.58 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)
Locked-Rotor 2,650.00 589.0 1,875.00 159.0 0 30.0 400.00
No Load 125.00 28.0 0.00 0.0 1,800 400.00
1/3 2,550.00 567.0 1,700.00 144.0 600 400.00
Full Load 450.00 100.0 1,178.00 100.0 1,782 400.00
Pull-Up 2,400.00 533.0 1,700.00 144.0 900 400.00
Break-Down 1,450.00 322.0 2,550.00 216.0 1,725 65.0 400.00
2/3 2,200.00 489.0 1,800.00 153.0 1,200 400.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 125.00 165.00 245.00 342.00 450.00 520.00 565.00
Rated Output (KW) 5.00 79.50 158.00 235.00 314.00 360.00 392.00
Efficiency (%) 0.0 94.1 95.4 95.4 95.4 95.4 95.0
Power Factor (%) 3.5 60.0 79.0 85.0 87.0 87.0 86.5
Speed (RPM) 1,800 1,795 1,792 1,785 1,782 1,780 1,775
Temp. Rise @ FL 0.0 0.0 0.0 0.0 70.0 90.0 0.0
Torque (ft-lbs) 0.00 292.00 586.00 882.00 1,178.00 1,358.00 1,478.00

Marathon Motors
Regal Beloit