W22 IEEE-841 NEMA Premium Efficiency

Description WEG's W22 NEMA Premium motors meet or exceed all NEMA Premium® requirements for energy efficiency. These WEG IEEE 841 W22 NEMA Premium 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. WEG IEEE 841 motors come with an extended 60 month warranty. Standard Features

  • Efficiency Certification number EEV 78282 according to National Resources Canada (NRCan)
  • Efficiency Certification number CC029A according to US Department of Energy Regulations
  • Three-phase 2, 4, 6 or 8 pole, 60Hz & 50Hz
  • Voltage: 230V, 460V & 575V (3 wire)
  • Totally enclosed fan cooled ( TEFC)
  • Degree of protection: IP55
  • 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 588/9 cast iron frame
  • All cast iron construction: frame, endshields, terminal box and fan cover
  • 1045 heat treated and stress relieved carbon steel shaft up to 365T.
  • 4140 for frame 404T and up
  • Stainless steel nameplate
  • Ball bearings
  • Regreasable ball bearings D.E. and O.D.E.
  • Corrosion resistant epoxy finish
  • Color: RAL 5009 (Blue) - WEG paint plan: 202E
  • Oversized rotatable cast iron conduit box
  • NPT threaded terminal box conduit hole

Optional Features

  • Special Voltages
  • Specially designed shaft
  • Space heaters
  • Second shaft end
  • Thermistors, Thermostats or RTD’s (PT100)
  • Auxiliary terminal box
  • Drip cover (canopy) for shaft down applications
  • Cable glands
  • Flange mount
  • Bronze fan
  • F3 mounting. Terminal Box on top of motor

 Inverter Duty 

  • Inverter Duty Certified for 20:1 CT & 1000:1 VT
  • Inverter Duty Certified for 1000:1 CT with a WEG VFD running in Optimized Flux mode
  • Inverter Duty CSA certified for Division 2, Class I, Groups A, B, C & D and Division 2, Class II, Group F & G

Typical Applications

  • Pumping applications
  • Pulp and paper mills
  • Petrochemical

Notes All motors supplied with IEEE 841 Test ReportAll WEG motors are energy efficiency verified by CSA and UL in addition to the DOE.