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WEG W21 Aluminium TEFC Motors

With aluminum frame and removable feet, this motor is able to provide great flexibility and facilitate the change of configuration without requiring additional machining or modifications.

WEG W21 Aluminum

The WEG W21 Aluminium TEFC Motor is a lightweight, cost and energy efficient alternative to its Cast Iron, counterparts.

Its terminal box can rotate every 90 degrees, allowing the connection of the motor cables on any side.

Furthermore, these motors are totally interchangeable with the cast iron motors.

Frequency60/50 Hz
Voltage220-230-240/380-400-415/460
Protection IPW55, IP 56, IP 65
Synchronous speed 1500, 1800, 3000, 3600 rpm
Output rating40 HP
MountingFoot-mounted
EnclosureIC411 – TEFC
Frame MaterialAluminum
Impregnation Method Dip and Bake Polyester
Shaft Material SAE 1040/45 Carbon Steel
PaintingRAL 5009 207A (ISO 12944 – C3)
WEG – W21 Aluminium Specifications.
50%75%100%
83.084.584.8
Efficiency chart. (details specific to 1.1 kW 4P 90S/L 3Ph 50 Hz).
50%75%100%
0.56  0.680.76
Power chart. (details specific to 1.1 kW 4P 90S/L 3Ph 50 Hz).

Benefits

  • Cost and Energy Efficiency
  • Lightweight and Compact
  • Durability and Corrosion Resistance
  • Low Noise and Vibration
  • Ease of Maintenance
  • Wide Range of Options
  • Environmental Friendly

Applications

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

Industries

  • Agricultural
  • Concrete & Construction
  • Food and Beverage
  • Marine
  • Mining & Heavy Industry
  • Recycling
  • Renewable Energy
  • Textile
  • Transportation
  • Utilities
  • Wastewater Treatment

Resources

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