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250HP LEESON 1790RPM 449T TEBC 3PH MOTOR 811516

LEESON Catalog Number:  811516.00
Description:  250HP,1790RPM,449T,TEBC,3PH,60HZ,INVERTER DUTY
Ship Weight:  3200 lbs.

This LEESON Motor Can ONLY Ship Ground!
For expedited needs please contact our sales team for freight options.

APPLICATIONS: Designed for inverter or vector applications where up to 2000:1 constant torque speed range is required. Typical uses include, material handling, machine tools, conveyors, crane and hoist, metal processing, test stands, pumps, compressors, textile processing, and other industrial machinery installed in dusty or dirty environments.


  • Subject to Availability
  • Cast Iron Frame
  • Class H inverter-rated IRIS insulation system
  • Constant torque operation from 0 to base RPM rating on Vector Drives
  • Constant HP operation to twice base RPM rating for 143T-256T frame, 1.5 x base RPM for all other sizes
  • Designed for optimum performance with IGBT inverters - not for across-the-line starting
  • C-face with rigid base through 100HP
  • Normally closed thermostats (one per phase)
  • Continuous duty at 40*C ambient
  • 1.0 Service Factor (Class "B" rise on TEBC motors)
  • Premium quality, cast iron frame and endbells
  • 284T and larger are blower cooled with a separately powered three-phase blower motor to provide added cooling at low speeds
  • Ball bearings (Roller bearings available 360-frame and larger)
  • Field convertible to F2 mounting
  • Encoder provisions included on opposite drive end
  • Three year warranty
  • Meets NEMA MG1, parts 30 & 31
Volts 460 Volts   Volts  
F.L. Amps 295 F.L. Amps   F.L. Amps  
S. F Amps   S. F Amps   S. F Amps  
RPM 1800 Hertz 60    
KW 187 Model # 449THFS8328    
Frame 447/449T Serv. Factor 1.0 Phase 3
Max Amb 40 Design A Code H
Insul Class H Protection NOT Therm.Prot.  
Eff 100% 95 Eff 75%   PF 84
UL Y-(LEESON UL REC) CSA Yes Bearing OPE 6318
CC Number EXEMPT CE Yes Bearing PE 6319
Load Type   Inverter Type   Speed Range 1.5 X BASE SPEED
Motor Wt. 3200 LB Enclosure TEBC Lubrication STANDARD
Nameplate   Mounting RIGID Rotation REV
250HP LEESON 1790RPM 449T TEBC 3PH MOTOR 811516
Click Image to Enlarge
Manufacturer Part Number: 811516.00
Stock # 811516

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