More than 100.000 transformers running worldwide: this is the business card of Tesar. Since 1979, Tesar is in the market with its own design, quality and R&D improving its products continously.
In 2004 Tesar was one of the first manufacturers worldwide to reach E2-C2-F1 qualification.
The portfolio of Tesar today includes cast resin transformers, distribution transformers and instrument transformers.
Since 2016 Tesar is a company of R&S Group.