Catalog No - E950

143TTFR4026
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Features
  • Meets or exceeds NEMA Premium® efficiencies, except where noted NEMA Premium® models are 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, 1.15 Service Factor, Ball bearings (except as noted
  • C-Face Footed models are rated 60/50 Hz, same HP
  • Motors accept C-face kits, as noted
  • UL Recognized, CSA Certified and CE Mark
Discontinued

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General Specifications

Model : 143TTFR4026 Catalog No : E950
Part Description : 1,1800,TEFC,143T,3/60/230/460 Category : Other Purpose
Stock : No
Nameplate Specifications

Output HP : 1 HP Output KW : 0.75 kW
Frequency : 60 Hz Voltage : 208-230/460 V
Current : 3.2-3.0/1.5 A Speed : 1755 RPM
Service Factor : 1.15 Phase : 3
Efficiency : 82.5 % Duty : Continuous
Insulation Class : F Design Code : B
KVA Code : M Frame : 143T
Enclosure : Totally Enclosed Fan Cooled Overload Protector : No
Ambient Temperature : 40 °C Drive End Bearing Size : 6205
Opp Drive End Bearing Size : 6203 UL : Recognized
CSA : Y CE : Y
IP Code : 43
Technical Specifications

Electrical Type : Squirrel Cage Induction Run Starting Method : Across The Line
Poles : 4 Rotation : Reversible
Mounting : Rigid Base Motor Orientation : Horizontal
Drive End Bearing : Ball Opp Drive End Bearing : Ball
Frame Material : Rolled Steel Shaft Type : T
Overall Length : 12.87 in Frame Length : 7.56 in
Shaft Diameter : 0.875 in Shaft Extension : 2.28 in
Assembly/Box Mounting : F1 ONLY Weight : 33.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Break-Down 8.80 587.0 13.00 433.0 1,250 84.0 1.00
1/3 12.00 800.0 8.50 283.0 250 1.00
2/3 10.50 700.0 10.00 333.0 800 1.00
Full Load 1.50 100.0 3.00 100.0 1,755 1.00
Pull-Up 11.50 767.0 9.00 300.0 400 1.00
No Load 0.90 60.0 0.00 0.0 1,800 1.00
Locked-Rotor 13.00 867.0 9.80 327.0 0 69.0 1.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 0.90
  • 1.000
  • 0.0
  • 11.0
  • 1,800
  • 0.0
  • 0.00
  • 25 %
  • 1.00
  • 0.300
  • 67.5
  • 34.5
  • 1,790
  • 0.0
  • 0.75
  • 50 %
  • 1.10
  • 0.500
  • 78.5
  • 53.0
  • 1,780
  • 0.0
  • 1.50
  • 75 %
  • 1.30
  • 0.700
  • 81.5
  • 66.0
  • 1,765
  • 0.0
  • 2.25
  • 100 %
  • 1.50
  • 0.900
  • 82.5
  • 74.5
  • 1,755
  • 38.0
  • 3.00
  • 115 %
  • 1.70
  • 1.050
  • 82.5
  • 78.5
  • 1,745
  • 50.0
  • 3.50
  • 125 %
  • 1.80
  • 1.150
  • 82.5
  • 80.0
  • 1,740
  • 60.0
  • 3.80
  • 130 %
  • 1.90
  • 1.250
  • 81.5
  • 81.0
  • 1,735
  • 0.0
  • 3.90