Catalog No - P439

256UTFNA4001
Image differs from product
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

Visit Marathon Motors

How can we improve our Product Information?
General Specifications

Model : 256UTFNA4001 Catalog No : P439
Part Description : 15,3600,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 : 2 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 Weight : 460.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
No Load 6.00 34.0 0.00 0.0 3,600 15.00
Locked-Rotor 116.00 663.0 41.00 185.0 0 38.0 15.00
Full Load 17.50 100.0 22.20 100.0 3,550 15.00
2/3 97.00 554.0 43.00 194.0 2,400 15.00
1/3 108.00 617.0 35.00 158.0 1,200 15.00
Pull-Up 103.00 589.0 37.00 167.0 1,800 15.00
Break-Down 75.00 429.0 65.00 293.0 3,175 72.0 15.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 6.00
  • 1.500
  • 0.0
  • 10.5
  • 3,600
  • 0.0
  • 0.00
  • 25 %
  • 7.50
  • 3.500
  • 85.5
  • 56.0
  • 3,585
  • 30.0
  • 5.50
  • 50 %
  • 10.00
  • 6.000
  • 90.2
  • 75.5
  • 3,570
  • 25.0
  • 11.00
  • 75 %
  • 14.00
  • 9.000
  • 91.7
  • 83.5
  • 3,560
  • 0.0
  • 16.50
  • 100 %
  • 17.50
  • 12.000
  • 91.7
  • 85.0
  • 3,550
  • 50.0
  • 22.20
  • 115 %
  • 20.00
  • 13.000
  • 91.7
  • 87.0
  • 3,540
  • 70.0
  • 25.00
  • 125 %
  • 22.00
  • 15.500
  • 91.0
  • 88.0
  • 3,525
  • 85.0
  • 28.00