Trafotek has over 30 years of experience of a wide variety of different reactor and filter solutions for frequency converters, DC drives, UPS devices and reactive compensation applications. Our extensive knowhow in the design of power electronics result efficient, compact and lightweight solutions that perform reliably.

Our material offering ranges from aluminium and copper wire to foiling and a variety of different grades of core material. We use F or H class insulations to ensure that our products can withstand high temperatures. Cooling alternatives include liquid circulation (direct and indirect) and cooling by free or forced air circulation. Our products are always vacuum impregnated, but also other surface treatment methods can be provided.


Current range 30 A – 6 000 A
Voltage range Up to 12 kV
Fundamental frequency 0… 1 000 Hz
Switching frequency Up to 16 kHz
Impregnation VI
Insulation class F/155°C or H/180°C
Protection cIass IP00 (up to IP67)
Winding material Aluminium or Copper
Material or terminals Aluminium or Copper
Cooling options AN, AF, WF
Standards IEC 60076-6