Welcome to

Transformers and Power Supplies Division

The T&S Division represents the interests of the industry in the areas of economics, engineering and standardisation to political decision-makers and the general public.

In the T&S Division, manufacturers of coilware (transformers, inductors, transmitters) and of power suppliers (from high current power supplies in industrial applications to laboratory power supplies) work together.

At the European level, the division is a member of the industry association CEMEP. The manufacturers of transformers and power supplies have a production volume of approximately Euro 6.1 billion.

Chairman of the Transformers and Power Supplies Division is Mr Wolfgang Reichelt (BLOCK).

Information and product range

Vorlagen zur Erstellung von EU-Konformitätserklärungen für Stromversorgungen (19.03.2021)

CE Declarations of Conformity using the safety standards EN IEC 62368-1:2020 (3rd edition) and  IEC 62368-1:2018 (3rd edition)

Guideline Selection of safety standard for power supplies
Auswirkung der Ökodesign-Richtlinie auf Kleinleistungstransformatoren (18.11.2019)

Herstellererklärung bei USV-Anlagen und Frequenzumrichtern zum Fehlerschutz (11.09.2015)


The product range of the Transformer and Power Supply Division covers many components and products that are necessary for the provision of electrical energy at different voltage classes as well as for energy transmission and distribution.

This also includes ensuring an uninterruptible supply.  In detail, these are:

  • Small Winding Goods (Transformers, Chokes, Transducer, etc.)
  • Mains Transformers
  • Mains Chokes
  • UPS Systems and Equipment
  • AC/DC And DC/DC Converters
  • DC UPS and Buffer Modules
  • DIN-Rail Power Supplies
  • Battery Chargers
  • Switching Power Supplies
  • Switching Regulators 
  • LED Drivers,
  • Programmable Power Supplies
  • Laboratory and Special Power Supplies
  • and many more.