Catalog No - M421

256TTFL5055
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Features
  • NEMA JM pump shaft dimensions
  • Ball bearings, mechanically locked on shaft end
  • Continuous duty
  • 1.15 Service Factor (except as noted)
  • UL Recognized and CSA Certified
Discontinued

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General Specifications

Model : 256TTFL5055 Catalog No : M421
Part Description : 20,1800,TEFC,256JM,3/60/230/460 Category : Other Purpose
Stock : No
Technical Specifications

Electrical Type : SQ CAGE IND RUN Starting Method : ACROSS THE LINE
Poles : 4 Rotation : REV
Mounting : RIGID Motor Orientation : HORIZONTAL
Drive End Bearing : BALL Opp Drive End Bearing : BALL
Frame Material : ALUMINUM Shaft Type : JM
Overall Length : 26.49 in Frame Length : 12.75 in
Shaft Diameter : 1.25 in Shaft Extension : 5.28 in
Assembly/Box Mounting : F1/F2 CAPABLE UPC : 722856130433
Weight : 455.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Break-Down 90.00 346.0 152.00 253.0 1,595 67.0 20.00
1/3 134.00 515.0 107.00 178.0 700 20.00
Locked-Rotor 145.00 558.0 120.00 200.0 0 42.0 20.00
2/3 120.00 462.0 122.00 203.0 1,200 20.00
Pull-Up 126.00 485.0 112.00 187.0 1,000 20.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 10.00
  • 1.000
  • 0.0
  • 0.0
  • 1,800
  • 0.0
  • 0.00
  • 25 %
  • 11.50
  • 4.500
  • 82.5
  • 48.5
  • 1,790
  • 0.0
  • 14.50
  • 50 %
  • 15.00
  • 8.500
  • 88.0
  • 70.0
  • 1,780
  • 0.0
  • 29.50
  • 75 %
  • 20.00
  • 12.500
  • 89.0
  • 78.5
  • 1,765
  • 0.0
  • 44.50
  • 100 %
  • 26.00
  • 17.000
  • 88.5
  • 81.0
  • 1,755
  • 75.0
  • 60.00
  • 115 %
  • 29.00
  • 19.000
  • 88.5
  • 82.0
  • 1,745
  • 105.0
  • 68.00
  • 125 %
  • 32.50
  • 21.500
  • 87.0
  • 83.0
  • 1,735
  • 0.0
  • 75.50