W21 – Cast Iron Frame – Premium Efficiency – IE3 | WEG


WEG

Applications

  • Pumps
  • Fans
  • Crushers
  • Conveyors
  • Machine tools
  • Milling applications
  • Centrifugal machines
  • Presses
  • Elevators
  • Looms
  • Grinders
  • Woodworking
  • Cooling
  • Packaging equipment
  • Other severe duty applications

Standard Features

Exceeds EFF1 Top Premium Efficiency

  • Output: 0.12 up to 315kW
  • Multivoltage – (220-240/380-415//440-460V or 380-415/660-690//440-460V)
  • Self Ventilated (TEFC)
  • Cast iron frames (63 up to 355M/L)
  • Mounting: B3T
  • Degree of Protection: IP55
  • Terminal block
  • Squirrel cage rotor/Aluminium die cast
  • V’Ring on both endshields
  • Stainless steel nameplate AISI 316
  • Class “F” insulation
  • Continuous duty – S1
  • Ambient temperature: 40°C , 1000 m.a.s.l.
  • Regreasing nipples from frame 225S/M and above
  • Metric thread cable entries in terminal box
  • Thermistors (1 per phase) fitted in frame 160M and above
  • Suitable for Inverter Duty applications *
  • Paint color: RAL 6002

*For additional details about Inverter operation, please contact our technical support.
*Special Insulation for voltage above 575V

Optional Features

  • Single voltage (other voltages)
  • Degree of Protection: IP56, IP65 or IP66
  • Other mounting configurations
  • Ventilation Motor, TEAO
  • Forced Ventilation, TEBC
  • Thermal protection:
    • Thermistors for frame 132S and below (Standard for frame 160 and above)
    • Thermostats
    • RTD-PT 100
  • Space heaters
  • Class “H” insulation
  • Roller bearings for frame 160M and above
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