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Dry-type inductors and chokes

Inductors and chockes are manufactured in vacuum impregnation or in vacuum pressure impregnation (VPI) technology, depending on the application. They are provided with air core or with iron core.

Applications: commutation, blocking, ac/dc filter, harmonic filter, line filter, capacitor protection, current limitation traditional and transformerless UPS, solar and wind energy, drives, inverters, power factor correction, special versions for rolling stock applications.

Product scope

  • wide range of power ratings, from 1 kVAr to several MVAr 
  • single-phase or three-phase 
  • for voltages up to 36 kV 
  • special designs for high frequency applications (up to 25 kHz) 
  • with different types of cooling: AN (air natural), AF (air forced) or WF (water forced) 
  • with any type of enclosure


  • Respectful with people and property
  • Ideal for complex technical requirements
  • Powerful engineering and ABB design

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