Cefem Power, the passive components business unit of the Cefem Group, has manufactured chokes, transformers and film capacitors since 1987.
Our products are:
Medium frequency / Medium Voltage magnetic components for auxiliary converters
Low frequency magnetic components for traction converters with our "Boige & Vignal" range
Film capacitors, catalog and custom-made products
Our references are prestigious in the field of rail, working with the biggest…
• High Frequency transformers : 1 to 300kHz. Applications : electronic power conversion up to 200kVA. • Line Filter inductances. Applications : electronic power conversion up to 200kVA. • Lower Frequency transformers : 50 to 400Hz. Applications : measuring systems or power supplies up to 30kVA. • Toroïdal current sense transformers. Applications : measuring systems for current from 5 to 2000A. • Development of components on your request.