LEESON Electric Corporation  

IEEE 841 Motors

 
The Motor of Choice for Petroleum, Pulp & Paper, Refineries, Above-Ground mines, Foundries, Cement Plants and Chemical Process Applications.
When your conditions are beyond severe, you’ll need a motor that goes beyond severe duty: IEEE 841 cast iron motors from LEESON.
 
General Specifications:
  • Frame - 143T-449T
  • Efficiency – Meets NEMA Premium Motor efficiency standards
  • Horsepower - 1-100
  • RPM - 3600, 1800
  • Enclosure - TEFC
  • Insulation - Premium Class F Plus
  • Design - B
  • Salt Fog Test - >300 hrs.
  • Windings - 100% Copper, 200°C
 
Mechanical and Electrical Protection Features:
  • All cast iron construction for frame, brackets, fan cover and terminal box
  • Double NEMA terminal box volume
  • 80°C maximum temperature rise by winding resistance
  • 90 dBA maximum sound power level
  • IP 55 bearing enclosure on frames 324T and larger
  • Foot flatness tolerance to .005 inches
  • Maximum vibration velocity of 0.08 in/sec for 2-, 4-, and 6-pole motors
  • Shaft runout tolerance to .001 inch T.I.R. for shaft diameters to 1.625 inches (0.0015 inch for larger shafts)
  • Test report shipped with each motor
  • Non-sparking conductive fan
  • 3- Year Warranty
  • Inpro Shaft Seals installed
  • Two Part Epoxy Paint
  • Re-greasable bearings by using extended grease tubes
 
 
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Catalog Pages -
IEEE 841 Motors