Catalog No - Y533

449THFS8048
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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: $68,116 USD

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General Specifications

Model : 449THFS8048 Catalog No : Y533
Part Description : 350,1800,TEBC,447/449T,3/60/460 Category : 2000:1 With Encoder Provision
Stock : Yes
Nameplate Specifications

Output HP : 350 HP Output KW : 260.0 kW
Frequency : 60 Hz Voltage : 460 V
Current : 385.0 A Speed : 1784 RPM
Service Factor : 1 Phase : 3
Efficiency : 95.4 % Duty : Continuous
Insulation Class : H Design Code : INV
KVA Code : H Frame : 447/449T
Enclosure : Totally Enclosed Blower cooled - Axial Overload Protector : No
Ambient Temperature : 40 °C Drive End Bearing Size : 6319
Opp Drive End Bearing Size : 6318 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 : 63.34 in Frame Length : 28.75 in
Shaft Diameter : 3.375 in Shaft Extension : 8.75 in
Assembly/Box Mounting : F1/F2 Capable UPC : 722856025463
Weight : 3,099.00 LB
Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) Torque (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
No Load 95.00 25.0 0.00 0.0 1,800 350.00
1/3 2,800.00 727.0 1,250.00 121.0 600 350.00
Full Load 385.00 100.0 1,030.00 100.0 1,784 350.00
Break-Down 1,450.00 377.0 2,925.00 284.0 1,715 71.5 350.00
Pull-Up 2,700.00 701.0 1,300.00 126.0 900 350.00
Locked-Rotor 2,850.00 740.0 1,445.00 140.0 0 25.0 350.00
2/3 2,550.00 662.0 1,550.00 150.0 1,200 350.00
Load Characteristics

  • % of Rated Load
  • Current (Amps)
  • Rated Output (KW)
  • Efficiency (%)
  • Power Factor (%)
  • Speed (RPM)
  • Temp. Rise @ FL
  • Torque (ft-lb)
  • 0 %
  • 95.00
  • 7.000
  • 0.0
  • 7.5
  • 1,800
  • 0.0
  • 0.00
  • 25 %
  • 130.00
  • 71.000
  • 91.7
  • 68.0
  • 1,796
  • 0.0
  • 256.00
  • 50 %
  • 205.00
  • 138.000
  • 95.0
  • 84.0
  • 1,790
  • 0.0
  • 512.00
  • 75 %
  • 290.00
  • 205.000
  • 95.4
  • 89.0
  • 1,788
  • 0.0
  • 770.00
  • 100 %
  • 385.00
  • 274.000
  • 95.4
  • 90.0
  • 1,784
  • 85.0
  • 1,030.00
  • 115 %
  • 439.00
  • 315.000
  • 95.4
  • 91.7
  • 1,783
  • 115.0
  • 1,186.00
  • 125 %
  • 480.00
  • 344.000
  • 95.0
  • 90.0
  • 1,778
  • 0.0
  • 1,290.00
  • 150 %
  • 585.00
  • 415.000
  • 94.5
  • 89.0
  • 1,772
  • 0.0
  • 1,555.00
  • 200 %
  • 825.00
  • 564.000
  • 92.4
  • 85.5
  • 1,760
  • 0.0
  • 2,090.00