Cefem, specialist in passive components for energy conversion

Since 1987, our French company has been supporting hundreds of customers around the world.

OUR MISSION

To provide a bespoke product with the highest possible volume, weight and power ratio.

After years of R&D and experience, we are able to offer magnetic components with the following characteristics :

1kM
to
1MW

1kHz
to
300kHz

Up to
3000A

Up to
2000V

1kM
to
1MW

OUR SOLUTIONS TO YOUR NEEDS IN RAILWAY INDUSTRY

CEFEM’s passive components are used in demanding applications such as trains and underground transport.
They are found in auxiliary and traction converters and in some electrical cabinets. The units are mounted on the roof, under the cabinet and/or inside the converters.
For many years now, CEFEM has been paying special attention to technical development, quality assurance and the environment.

We work closely with our customers to provide optimised and bespoke solutions.

Thanks to years of R&D and experience in the railway industry, our components are lighter and more efficient, while meeting the most demanding specifications. Our experts test all the components in extreme conditions: severe climatic conditions, shock and vibration resistance, etc.