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Medium Frequency Welding Transformers


  • Standardized platform transformer for the automotive industry
  • Optimal power transfer with minimum losses
  • Monitoring function coordinated between weld control and transformer
  • Nine power classes from 94 … 250 kVA/20 % D.C.
  • DC output voltage 9.0/14.0 V
  • Input supply voltage designed for 400 V … 690 V mains
  • Different types of power and signal connectors

Our power packs for resistance welding!

  • Nominal power 145 kVA/20 % D.C.
  • Primary voltage 530 V
  • Turns ratio 50:1
  • Secondary voltage class 9,3 V
  • Output current 14.5 kA/20 % D.C.
  • Nominal power 129 kVA/20 % D.C.
  • Primary voltage 530 V
  • Turns ratio 55:1
  • Secondary voltage class 9 V
  • Output current 13.4 kA/20 % D.C.
  • Nominal power 140 kVA/20 % D.C.
  • Secondary voltage class 9 V
  • Output current 14.5 kA/20 % D.C.
  • Nominal power 237 kVA/20 % D.C.
  • Primary voltage 530/645 V
  • Turns ratio 38:1/50:1
  • Secondary voltage class 14 V
  • Output current 18.3 kA/20 % D.C.
  • Nominal power 250 kVA/20 % D.C.
  • Primary voltage 530 V
  • Turns ratio 38:1
  • Secondary voltage class 14 V
  • Output current 17.9 kA/20 % D.C.
  • Primary terminal boxes
  • Counterplugs for power and signals
  • Protective FI resistors


Subject to change, status 2020-07-29 14:05:39