Catalog No - U642A

256TTFC6077
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Features
  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • Suitable for use on a VFD. Variable Torque and Constant Torque (as noted)
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • F1 conduit box on Rigid Base, F3 on C-Face Footed (Rigid Base) motors
  • Bearing Current Protection (BCP), as noted
  • Shaft slinger, Class F insulation
  • C-Face Footed models are rated 60/50 Hz, same HP
  • Motors accept C-face kits, as noted
Discontinued

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General Specifications

Model : 256TTFC6077 Catalog No : U642A
Part Description : 10,1200,TEFC,256T,3/60/230/460 Category : Totally Enclosed Fan Cooled (TEFC)
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 : T
Overall Length : 24.92 in Shaft Diameter : 1.625 in
Shaft Extension : 4.25 in Assembly/Box Mounting : F1/F2 Capable
UPC : 722856017598 Weight : 318.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Locked-Rotor 80.20 83.20 185.0 0 10.00
1/3 78.00 71.50 159.0 300 10.00
Full Load 14.50 45.00 100.0 1,183 10.00
No Load 7.20 0.00 0.0 1,200 11.2 10.00
Pull-Up 75.00 71.50 159.0 600 10.00
2/3 70.00 75.00 165.0 900 10.00
Break-Down 10.50 105.00 234.0 1,100 10.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 7.20
  • 0.640
  • 0.0
  • 11.2
  • 1,200
  • 0.0
  • 0.00
  • 25 %
  • 7.95
  • 2.236
  • 85.9
  • 35.3
  • 1,196
  • 0.0
  • 11.30
  • 50 %
  • 9.58
  • 4.177
  • 91.0
  • 54.7
  • 1,192
  • 0.0
  • 22.50
  • 75 %
  • 11.80
  • 6.180
  • 91.7
  • 65.7
  • 1,188
  • 0.0
  • 33.80
  • 100 %
  • 14.50
  • 8.210
  • 91.7
  • 71.4
  • 1,185
  • 38.0
  • 44.30
  • 115 %
  • 16.00
  • 9.500
  • 91.7
  • 72.0
  • 1,180
  • 50.0
  • 51.00
  • 125 %
  • 17.50
  • 10.290
  • 91.5
  • 73.8
  • 1,177
  • 0.0
  • 56.30
  • 150 %
  • 20.90
  • 12.400
  • 90.5
  • 74.5
  • 1,170
  • 0.0
  • 67.50