Catalog No - C250A

145TTFR4378
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Features
  • Ball bearings, mechanically locked on shaft end (excludes 5K models)
  • Rated 60/50 hertz, 190/380 or 380 volt, at next lower horsepower (as noted)
  • 1.15 Service Factor (except as noted)
  • Rolled steel 56-145T frame motors accept brake kits, see Accessories section (except as noted)
  • UL Recognized and CSA Certified
Discontinued

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General Specifications

Model : 145TTFR4378 Catalog No : C250A
Part Description : 1,1200,TEFC,145T,3/60,230/460 Category : Totally Enclosed Fan Cooled (TEFC)
Stock : No
Technical Specifications

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
No Load 1.20 71.0 0.00 0.0 1,200 1.00
Break-Down 6.70 394.0 15.00 326.0 850 77.5 1.00
2/3 7.50 441.0 11.00 239.0 800 1.00
Pull-Up 8.50 500.0 9.50 207.0 600 1.00
Locked-Rotor 9.80 576.0 10.50 228.0 64.5 1.00
Full Load 1.70 100.0 4.60 100.0 1,150 1.00
1/3 9.00 529.0 9.00 196.0 400 1.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 1.20
  • 0.100
  • 0.0
  • 8.5
  • 1,200
  • 0.0
  • 0.00
  • 25 %
  • 1.30
  • 0.300
  • 67.5
  • 26.5
  • 1,185
  • 0.0
  • 1.10
  • 50 %
  • 1.40
  • 0.500
  • 77.5
  • 43.5
  • 1,175
  • 0.0
  • 2.20
  • 75 %
  • 1.50
  • 0.700
  • 80.0
  • 56.5
  • 1,165
  • 0.0
  • 3.40
  • 100 %
  • 1.70
  • 0.950
  • 80.0
  • 66.0
  • 1,150
  • 55.0
  • 4.60
  • 115 %
  • 1.90
  • 1.100
  • 80.0
  • 70.0
  • 1,140
  • 75.0
  • 5.30
  • 125 %
  • 2.00
  • 1.200
  • 78.5
  • 72.5
  • 1,130
  • 90.0
  • 5.80