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449TSTFS14012 – Marathon 250 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 449TS Frame, TEFC – Y1640

449TSTFS14012 – Marathon 250 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 449TS Frame, TEFC – Y1640

449TSTFS14012 Marathon Fire Pump Motors

  • Red paint exterior
  • NEMA Design B, Code G or less
  • 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
  • Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
  • Will accept C- Face kits, see Accessories section
  • 230/460 and 460 Volt models rated for 50 HZ at next lower HP
  • For special designs, contact district sales office near you

Marathon Motors
Regal Beloit

Description

449TSTFS14012 – Marathon 250 HP Fire Pump Motor, 3 phase, 3600 RPM, 460 V, 449TS Frame, TEFC – Y1640

449TSTFS14012 Marathon Fire Pump Motors

General Specifications

UPC: 722856132772 Weight: 0 LB
Packaged Length: 56 IN Packaged Width: 46 IN
Packaged Height: 32.05 IN

Nameplate Specifications

Output HP: 250 Hp Output KW: 187.0 kW
Frequency: 60/50 Hz Voltage: 460 V
Current: 270.0 A Speed: 3572 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.4 % Power Factor: 90
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 447/449TS Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6313 Opp Drive End Bearing Size: 6313
UL: No CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Part Wdg Start & Wye Start Delta Run
Poles: 2 Rotation: Reversible
Resistance Main: .0106 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: 48.11 in
Frame Length: 28.75 in Shaft Diameter: 2.375 in
Shaft Extension: 5 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 1,050.00 389.0 975.00 265.0 3,420 66.0 250.00
Pull-Up 1,700.00 630.0 535.00 145.0 1,800 250.00
No Load 63.00 23.4 0.00 0.0 3,600 9.0 250.00
2/3 1,600.00 593.0 665.00 181.0 2,400 250.00
Locked-Rotor 1,800.00 667.0 625.00 170.0 0 26.0 250.00
Full Load 270.00 100.0 368.00 100.0 3,572 90.0 250.00
1/3 1,750.00 648.0 525.00 143.0 1,200 250.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 63.00 92.00 146.00 206.00 270.00 310.00 338.00
Rated Output (KW) 5.00 52.00 100.00 147.00 195.00 225.00 245.00
Efficiency (%) 0.0 89.5 93.6 95.0 95.4 95.4 95.0
Power Factor (%) 9.0 70.0 85.0 88.0 90.0 90.0 90.0
Speed (RPM) 3,600 3,592 3,585 3,580 3,572 3,568 3,565
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 91.50 183.00 275.00 368.00 423.00 460.00

Marathon Motors
Regal Beloit