Catalog No - M821A

256TTDX4310
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Features
  • Normal and Medium thrust
  • EPAct and NEMA Premium efficiencies
  • Ball bearings and angular contact bearings for medium thrust applications
  • Class B insulation
  • 1.15 Service Factor
  • Suitable for 230 volt part winding start through 100 HP (dual voltage motors)
  • Heavy duty lifting lugs
  • Drip cover/canopy cap included
  • UL Recognized and CSA Certified
  • UL Listed for Fire Pump applications (except as noted)
Discontinued

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General Specifications

Model : 256TTDX4310 Catalog No : M821A
Part Description : 25,3600,DP,256HPV,3/60/230/460 Category : Vertical Solid Shaft P-Base
Stock : No
Technical Specifications

Speed Characteristics

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

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 8.50
  • 0.500
  • 0.0
  • 6.0
  • 3,600
  • 0.0
  • 0.00
  • 25 %
  • 11.50
  • 5.200
  • 89.5
  • 56.0
  • 3,580
  • 0.0
  • 9.20
  • 50 %
  • 16.50
  • 10.000
  • 91.0
  • 79.0
  • 3,565
  • 0.0
  • 18.50
  • 75 %
  • 22.00
  • 15.000
  • 92.4
  • 85.0
  • 3,545
  • 0.0
  • 28.00
  • 100 %
  • 29.00
  • 20.500
  • 91.0
  • 88.3
  • 3,520
  • 55.0
  • 37.50
  • 115 %
  • 33.00
  • 23.500
  • 91.0
  • 89.0
  • 3,510
  • 65.0
  • 43.00
  • 125 %
  • 36.50
  • 25.500
  • 90.2
  • 89.0
  • 3,500
  • 80.0
  • 47.00