Catalog No - U501

256TTDX4020
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Features
  • Red paint on 25 HP through 200 HP
  • 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 for kits
List Price: $2,954 USD

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General Specifications

Model : 256TTDX4020 Catalog No : U501
Part Description : 25,3600,DP,256T,3/60/200/400YD Category : Fire Pump
Stock : No
Technical Specifications

Electrical Type : Squirrel Cage Induction Run Starting Method : Wye Start Delta Run
Poles : 2 Rotation : Reversible
Mounting : Rigid Base Motor Orientation : Horizontal
Drive End Bearing : Ball Opp Drive End Bearing : Ball
Frame Material : Rolled Steel Shaft Type : T
Overall Length : 22.32 in Frame Length : 15.45 in
Shaft Diameter : 1.625 in Shaft Extension : 4.19 in
Assembly/Box Mounting : F1/F2 Capable UPC : 722856035905
Weight : 126.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
No Load 9.50 33.0 0.00 0.0 3,600 25.00
Break-Down 125.00 431.0 110.00 293.0 3,100 70.5 25.00
2/3 150.00 517.0 77.00 205.0 2,100 25.00
Full Load 29.00 100.0 37.50 100.0 3,520 25.00
Pull-Up 165.00 569.0 65.00 173.0 1,500 25.00
1/3 175.00 603.0 62.00 165.0 1,000 25.00
Locked-Rotor 182.00 628.0 72.00 192.0 0 41.5 25.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 9.78
  • 0.500
  • 0.0
  • 6.0
  • 3,600
  • 0.0
  • 0.00
  • 25 %
  • 13.23
  • 5.200
  • 89.5
  • 56.0
  • 3,580
  • 0.0
  • 9.20
  • 50 %
  • 18.98
  • 10.000
  • 91.0
  • 79.0
  • 3,565
  • 0.0
  • 18.50
  • 75 %
  • 25.30
  • 15.000
  • 92.4
  • 85.0
  • 3,545
  • 0.0
  • 28.00
  • 100 %
  • 33.35
  • 20.500
  • 91.0
  • 88.3
  • 3,520
  • 55.0
  • 37.50
  • 115 %
  • 37.95
  • 23.500
  • 91.0
  • 89.0
  • 3,510
  • 65.0
  • 43.00
  • 125 %
  • 41.98
  • 25.500
  • 90.2
  • 89.0
  • 3,500
  • 80.0
  • 47.00