EXPERT Transformatorenbau GmbH, based in the southern Hessian city of Lorsch, is a independend company that builds on 40 years of tradition and experience in the design of water-cooled high current transformers.

The extraordinary quality and reliability of our products draws on hard-earned engineering and technological know-how, combined with the creativity and expert workmanship of our employees.

Our power supply units for resistance welding, developed and assembled for the automotive industry among others, set the relevant benchmarks for the state of the art and serve as the basis for international standards.

Alongside these standard components, we also offer custom solutions for high current applications in the direct and alternating current fields for electrical heating, melting and anealing processes.