Catalog No - N626

143TTWR4028
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Features
  • 10:1 Variable torque, Constant torque speed range as listed below
  • MAX GUARD® Class F insulation system
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • Double sealed ball bearings
  • 303 Stainless steel shaft with spring loaded contact seals in each endshield (Drive end only on TENV motors)
  • Stainless steel conduit box cover, nameplate, fan guard (TEFC only) and hardware
  • Cast oversized conduit box with high temperature nitrile gaskets and threaded entrance
  • Plugged drain holes in each endshield for all angle mounting
  • Internal corrosion resistant coatings on frame, base, endshields, rotor and stator
  • USDA-approved, white epoxy RUST-OLEUM® paint,UL Recognized, CSA Certified and CE Mark
Discontinued

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General Specifications

Model : 143TTWR4028 Catalog No : N626
Part Description : OBSOLETE - REPLACED BY 143TTWR6028 - 1,1800,TEFC,143TC,3/60/208-230/460 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 : 3.2-3.1/1.6 A Speed : 1745 RPM
Service Factor : 1.15 Phase : 3
Efficiency : 82.5 % Duty : Continuous
Insulation Class : F Design Code : B
KVA Code : L Frame : 143TC
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 : 55
Technical Specifications

Electrical Type : Squirrel Cage Induction Run Starting Method : Across The Line
Poles : 4 Rotation : Reversible
Mounting : Rigid C base Motor Orientation : Horizontal
Drive End Bearing : Ball Opp Drive End Bearing : Ball
Frame Material : Rolled Steel Shaft Type : NEMA 56
Overall Length : 12.66 in Frame Length : 7.00 in
Shaft Diameter : 0.875 in Shaft Extension : 1.99 in
Assembly/Box Mounting : F1 ONLY Weight : 38.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Full Load 1.70 0.0 3.00 100.0 1,752 0.92 0.0 1.00
Pull-Up 11.38 0.0 10.30 0.0 200 6.50 0.0 1.00
Locked-Rotor 12.43 0.0 10.50 0.0 0 6.70 0.0 1.00
Break-Down 8.98 0.0 13.30 0.0 1,175 5.14 0.0 1.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 1.15
  • 0.128
  • 0.0
  • 13.9
  • 1,795
  • 0.0
  • 0.00
  • 25 %
  • 1.20
  • 0.303
  • 62.7
  • 31.8
  • 1,784
  • 0.0
  • 0.80
  • 50 %
  • 1.31
  • 0.504
  • 74.8
  • 48.2
  • 1,771
  • 0.0
  • 1.50
  • 75 %
  • 1.48
  • 0.707
  • 79.5
  • 60.2
  • 1,759
  • 0.0
  • 2.30
  • 100 %
  • 1.69
  • 0.928
  • 80.1
  • 69.0
  • 1,745
  • 64.0
  • 3.00
  • 125 %
  • 1.92
  • 1.145
  • 80.4
  • 74.8
  • 1,730
  • 0.0
  • 3.80
  • 150 %
  • 2.18
  • 1.367
  • 80.1
  • 78.8
  • 1,714
  • 0.0
  • 4.50
  • 175 %
  • 2.44
  • 1.582
  • 80.0
  • 81.4
  • 1,697
  • 0.0
  • 5.30
  • 200 %
  • 2.76
  • 1,839.000
  • 77.7
  • 83.6
  • 1,678
  • 0.0
  • 6.00