Catalog No - U1873

284TTTNA16540
Features
  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external epoxy paint
  • MAX GUARD® Class F insulation system
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower
  • Extended grease tubes, Regreasable in service
  • T-drains provided for effective drainage (Installed in both endshields)
  • Suitable for all angle mounting
  • Suitable for 20:1 VT and 20:1 CT on VFD
List Price: $6,254 USD

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General Specifications

Model : 284TTTNA16540 Catalog No : U1873
Part Description : 25,1800,TEAO,284T,3/60/230/460 Category : Cooling Tower
Stock : Yes
Nameplate Specifications

Technical Specifications

Electrical Type : Squirrel Cage Inverter Rated Starting Method : Line Or Inverter
Poles : 4 Rotation : Reversible
Mounting : Rigid Base Motor Orientation : Horizontal Or Up Or Down
Drive End Bearing : Ball Opp Drive End Bearing : Ball
Frame Material : Cast Iron Shaft Type : T
Overall Length : 23.42 in Frame Length : 12.75 in
Shaft Diameter : 1.875 in Shaft Extension : 4.83 in
Assembly/Box Mounting : F1/F2 Capable UPC : 722856132253
Weight : 443.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Full Load 31.00 100.0 74.00 100.0 1,774 25.00
Locked-Rotor 181.00 584.0 140.00 189.0 0 33.0 25.00
1/3 175.00 565.0 125.00 169.0 600 25.00
Break-Down 125.00 403.0 215.00 291.0 1,675 25.00
2/3 150.00 484.0 150.00 203.0 1,200 25.00
Pull-Up 165.00 532.0 130.00 176.0 900 25.00
No Load 13.50 44.0 0.00 0.0 1,800 25.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 13.50
  • 0.500
  • 0.0
  • 5.5
  • 1,800
  • 0.0
  • 0.00
  • 25 %
  • 15.50
  • 5.000
  • 88.5
  • 43.0
  • 1,795
  • 0.0
  • 18.50
  • 50 %
  • 19.50
  • 10.000
  • 93.0
  • 65.0
  • 1,785
  • 0.0
  • 37.00
  • 75 %
  • 25.00
  • 15.000
  • 93.6
  • 75.0
  • 1,780
  • 0.0
  • 55.50
  • 100 %
  • 31.00
  • 20.000
  • 93.6
  • 81.0
  • 1,775
  • 0.0
  • 74.00
  • 115 %
  • 34.50
  • 23.000
  • 93.6
  • 82.0
  • 1,765
  • 0.0
  • 85.50
  • 125 %
  • 37.50
  • 25.000
  • 93.0
  • 82.5
  • 1,760
  • 0.0
  • 93.00