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  Home > WEG > Motors > Definite Purpose Motors >

  IEEE-841 Petrochem Motors : NEMA Premium



 


Description
 
WEG's W21™ NEMA Premium motors meet or exceed all NEMA Premium and CEE requirements for energy efficiency.

These WEG IEEE 841 High Efficiency Mill and Chemical Duty Motors are specially suited for Pulp and Paper Mills, Petrochemical, Steel Mills and applications requiring Severe Duty long life motors.
Features
Applications
  • Pumping applications
  • Pulp and paper mills
  • Petrochemical
  • Other
Standard Features
  • Three-phase, II, IV or VI pole, 60Hz
  • Voltage: 460V (3 wire)
  • Totally enclosed fan cooled ( TEFC)
  • Degree of protection: IPW55
  • Class "F" insulation ("B" Temperature rise)
  • 40ºC ambient
  • Service Factor:
    - 1.25 - up to 100 HP
    - 1.15 - from 125HP and up
  • Squirrel cage rotor / Aluminum die cast
  • 143T up to 586/7 cast iron frame
  • All cast iron reinforced construction: frame, endshields, terminal box and fan cover
  • Stainless steel nameplate
  • All 3600RPM and 1800RPM motors are supplied with ball bearings as standard. Roller bearings are supplied as standard on frames above 404T, 1200RPM and 900RPM
  • Brass labyrinth seal on drive end and opposite drive end
  • Corrosion resistant epoxy finish
  • Color: RAL 6002 (Green)
  • Regreasable ball bearings D.E. and O.D.E.
  • Oversized rotatable cast iron conduit box
  • High tensile steel shaft (for frame 404T and up)
  • Color: RAL 6002 (Green)
    Special Features that come standard included:
  • Labyrinth tachonite seal, IP55 and IP65: This brass seal has no contact surfaces to wear out.
  • Bearing life 50,000 hours
  • Paint: Epoxy polyamide enamel
  • Fan: Bronze
Optional Features
  • Special voltages
  • Specially designed shaft
  • Space heaters
  • Second shaft end
  • Thermostats or RTD's (PT100)
  • Additional terminal box
  • Drip cover (canopy) for shaft down applications
  • Cable glands
  • Flange mount
NOTES

All motors supplied with IEEE841 Test Report

All WEG motors are energy efficiency verified by UL in addition to the DOE.

Motors are nameplated Class I Div. II Groups B, C and D .



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