Marathon 350 HP Fire Pump Motor, 3 phase, 1800 RPM, 460 V, 447TS Frame, ODP - H813

Catalog #:H813
Part #:447TSTDN7027
  • 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
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Weight:2,064.00 LB
List Price: $30,992.00

General Specifications

UPC: 722856048677 Weight: 2,064.00 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 Hz Voltage: 460 V
Current: 405.0 A Speed: 1780 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.4 % Power Factor: 86
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: .015 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)
2/3 1,600.00 400.0 1,250.00 121.0 1,500 350.00
Break-Down 1,550.00 385.0 2,500.00 242.0 1,725 64.0 350.00
No Load 115.00 28.0 0.00 0.0 1,800 350.00
Full Load 405.00 100.0 1,032.00 100.0 1,780 350.00
Locked-Rotor 2,100.00 525.0 1,375.00 132.0 0 28.0 350.00
1/3 2,000.00 500.0 1,150.00 111.0 600 350.00
Pull-Up 1,850.00 463.0 1,150.00 111.0 900 350.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 115.00 150.00 220.00 305.00 405.00 465.00 510.00
Rated Output (KW) 5.20 69.50 136.00 205.00 274.00 317.00 345.00
Efficiency (%) 0.0 93.6 95.4 95.4 95.4 95.0 94.5
Power Factor (%) 4.0 58.0 78.0 83.0 86.0 85.5 84.5
Speed (RPM) 1,800 1,795 1,790 1,785 1,780 1,778 1,775
Temp. Rise @ FL 0.0 0.0 0.0 0.0 70.0 90.0 0.0
Torque (ft-lbs) 0.00 256.00 513.00 772.00 1,032.00 1,190.00 1,295.00
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