Catalog No - Y511

284THFPA8038
Features
  • MAX GUARD® Class H insulation system
  • Constant torque operation from 0 to base speed on vector drive, including TEFC (On Volts/Hertz drives, TEFC motors are limited to 20:1 constant torque
  • Constant HP operation to twice base speed (143-256 frame);1.5 times base (all others)
  • Optimized for operation with IGBT inverter (NEMA Design A)
  • Normally closed thermostats (one per phase, class F)
  • Blue Chip quality, cast iron frame and brackets
  • Patented “fracket” design (TEBC enclosure)
  • Separate power supply required for blower motor
List Price: $8,369 USD

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General Specifications

Model : 284THFPA8038 Catalog No : Y511
Part Description : 25,1800,TEBC,284TC,3/60/230/460 Category : 2000:1 With Encoder Provision
Stock : Yes
Nameplate Specifications

Output HP : 25 HP Output KW : 18.7 kW
Frequency : 60 Hz Voltage : 230/460 V
Current : 63.0/31.5 A Speed : 1765 RPM
Service Factor : 1 Phase : 3
Efficiency : 91.7 % Duty : Continuous
Insulation Class : H Design Code : INV
KVA Code : G Frame : 284TC
Enclosure : Totally Enclosed Blower cooled - Axial Overload Protector : No
Ambient Temperature : 40 °C Drive End Bearing Size : 6311
Opp Drive End Bearing Size : 6210 UL : Recognized
CSA : Y CE : Y
IP Code : 43
Technical Specifications

Electrical Type : Squirrel Cage Inverter Duty Starting Method : Inverter Only
Poles : 4 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 : 37.81 in Frame Length : 12.75 in
Shaft Diameter : 1.875 in Shaft Extension : 4.37 in
Assembly/Box Mounting : F1/F2 Capable UPC : 722856025104
Weight : 470.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
2/3 155.00 492.0 155.00 208.0 1,200 25.00
1/3 175.00 556.0 130.00 175.0 600 25.00
Pull-Up 165.00 524.0 140.00 188.0 900 25.00
Full Load 31.50 100.0 74.40 100.0 1,765 25.00
Break-Down 115.00 365.0 195.00 262.0 1,625 66.0 25.00
Locked-Rotor 182.00 578.0 147.00 198.0 0 39.5 25.00
No Load 14.00 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 %
  • 14.00
  • 0.750
  • 0.0
  • 6.0
  • 1,800
  • 0.0
  • 0.00
  • 25 %
  • 15.50
  • 5.500
  • 86.5
  • 43.0
  • 1,794
  • 0.0
  • 18.50
  • 50 %
  • 20.00
  • 10.000
  • 91.0
  • 65.0
  • 1,785
  • 0.0
  • 37.00
  • 75 %
  • 25.00
  • 15.000
  • 92.4
  • 75.5
  • 1,775
  • 0.0
  • 55.50
  • 100 %
  • 31.50
  • 20.500
  • 91.7
  • 82.0
  • 1,765
  • 65.0
  • 74.40
  • 125 %
  • 39.00
  • 25.500
  • 91.0
  • 82.5
  • 1,760
  • 0.0
  • 93.50
  • 150 %
  • 46.50
  • 31.200
  • 88.5
  • 84.0
  • 1,745
  • 0.0
  • 112.00
  • 200 %
  • 66.50
  • 43.500
  • 84.0
  • 81.5
  • 1,715
  • 0.0
  • 150.00