Catalog No - P433

256UTFNA4076
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Features
  • Cast iron construction
  • Oversized, fully gasketed, cast iron conduit box
  • Oversized ball bearings
  • NEMA Design B
  • Class F insulation
  • V-Ring shaft seals
Discontinued

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General Specifications

Model : 256UTFNA4076 Catalog No : P433
Part Description : OBSOLETE - NO REPLACEMENT FOR 7 1/2,1200,TEFC,256U,3/60/460 Category : Automotive Duty
Stock : No
Nameplate Specifications

Technical Specifications

Electrical Type : Squirrel Cage Induction Run Starting Method : Across The Line
Poles : 6 Rotation : Reversible
Mounting : Rigid base Motor Orientation : Horizontal
Drive End Bearing : Ball Opp Drive End Bearing : Ball
Frame Material : Cast Iron Shaft Type : U
Overall Length : 25.02 in Frame Length : 12.25 in
Shaft Diameter : 1.375 in Shaft Extension : 3.94 in
Assembly/Box Mounting : F1/F2 Capable UPC : 722856054319
Weight : 332.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Full Load 9.90 100.0 33.50 100.0 1,175 7.50
Pull-Up 59.00 596.0 69.00 206.0 600 7.50
2/3 57.00 576.0 77.00 230.0 800 7.50
No Load 4.80 48.0 0.00 0.0 1,200 7.50
1/3 61.00 616.0 64.00 191.0 250 7.50
Locked-Rotor 63.50 641.0 72.00 215.0 0 42.0 7.50
Break-Down 39.50 399.0 103.00 307.0 1,065 70.0 7.50
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 4.80
  • 0.300
  • 0.0
  • 7.0
  • 1,200
  • 0.0
  • 0.00
  • 25 %
  • 5.30
  • 1.500
  • 85.5
  • 40.0
  • 1,195
  • 25.0
  • 8.00
  • 50 %
  • 6.50
  • 3.000
  • 90.2
  • 61.0
  • 1,190
  • 20.0
  • 16.50
  • 75 %
  • 8.00
  • 4.500
  • 91.0
  • 72.5
  • 1,180
  • 0.0
  • 25.00
  • 100 %
  • 9.90
  • 6.000
  • 91.0
  • 78.0
  • 1,175
  • 40.0
  • 33.50
  • 115 %
  • 11.00
  • 7.000
  • 90.2
  • 80.0
  • 1,170
  • 55.0
  • 38.50
  • 125 %
  • 12.00
  • 8.000
  • 90.2
  • 80.5
  • 1,165
  • 70.0
  • 42.00