The French leader and world renown.

​Founded in 1929 and located in Douai, SADTEM is an independent private company, specialised in the manufacture of metering and protection transformers for medium voltage, indoor and outdoor applications.

Recognised throughout the world for its range of products, its technical expertise in design and manufacturing as well as its quality of service, SADTEM is in the unique position of being able to provide a quick, standardised and specific response to every request.

The experience of its engineers coupled with the effectiveness of its IT systems (calculation, design, production, testing) makes it possible to supply sophisticated products to demanding users all around the world.