www.stemtrafo.com Distribution transformers • Power transformers up to 40 MVA • Oil and dry type reactors • Dry type transformers (H class) Cast resin transformers up to 10 MVA • Rectifier transformers • Glass furnace transformers (with on load regulation, on volt regulation and mixed    regulation) • Arc and induction furnace transformers • Voltage regulating transformers Earthing transformers • High voltage test transformers up to 750 KV (in metallic or insulating tank) • High voltage test systems • High current transformers • Autotransformers • Starting up transformers • Special transformers on demand and customer’s specifications