Foundation: Assembly and repair of Oil and Porcelain Transformers.
The production of Cast Resin Transformers began for indoor application up to 30 kV.
Production of Outdoor Transformers up to 30 kV.
The first 60 kV Outdoor Transformer.
Move to the new production site.
The first Cast Resin Power Transformer in 1989. Incorporation of the WTW GmbH into the RITZ-Group Hamburg
Move into the new administrative building.
Purchase of the MWB-Messwandler GmbH in Priesendorf/Bamberg
Move into the assembly hall for transformers up to 20 MVA in Oberursel/Frankfurt/M.
Production of Current and Voltage Sensors.
The move of MWB from Priesendorf to Kirchaich, start of the production in the new assembly hall.
The change of the name to RITZ Instruments Transformers GmbH.