AC Motors - 3-Phase IEEE-841
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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