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Choke Ntt Ld-dh 100

Directly cooled surge current choke


The current limiting inductor limits the short-circuit current in a bridge circuit. Thus, the intermediate circuit is protected and prevents the destruction of the connected semiconductor devices. Usually IGBTs.


  • Less copper
  • Small dimensions compared to traditional cooling methods
  • Lower weight
  • Cooling with water/glycol
  • High protection class
  • Suitable for high pulse current


  • According to: EN 60076-6
  • Test voltage: 12kV
  • Overload: 1,5 x INenn 1 min / h
  • Climatic categorie: DIN IEC 68 Teil 1 25/085/21
  • Nominal Voltage: 3000 V
  • Rated current: 500 – 2500 A

Suitable for this product