ASA Trafobau GmbH


ASA Trafobau GmbH is an independent company located in northern Hesse state, in the city of Bad Arolsen-Germany.

Industrial companies and equipment manufacturers from all over the world make trust in products made by ASA Trafobau GmbH. Having good reason: We are specialised in manufacturing special transformers, which are operated under various environmental conditions.

Our formula for success is the close collaboration and coordination with our customers. Professionally our technical department has the proper solution for any application: considering the electrical and mechanical layout of the transformer as well as in regarding their load.

Our Products

  1. Oil-Transformers
  2. Asa Tech-Dry-Type Transformers

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You provide us with all the key data – and we will take care of the speedy calculation, construction and design of the transformers at our premises. At the same time, we are able to quickly and flexibly react to and implement our customers' special requirements.

As our qualified employees take care of all stages of production, you can keep track of the manufacturing process in the best possible manner. All requisite tests can be carried out at our premises. For you, this full service from one source means a reduced expenditure of time and costs. We would be pleased to compile an offer without obligation for you!


With the ASA-Service-Portfolio the utilities and industry reach a maximum result with their transformer: We can provide you the service with high level of reliability; optimized running costs and at the same time we ensure optimal performance of transformers with minimized influences on the environment impact.

At all times ASA focuses on the customer’s needs: We can offer services from the commissioning to the rebuilding of all types and brands transformer. Our service department has experience on technical information over 30 already existing transformer brands. So, we are can respond to each service request by customized / quickly way.


We can also offer the service of specialist personnel for the commissioning, maintenance or root cause analysis in case of failure. These service packages can include the following scope:

Supervising when commissioning, on Site testing for transformers, Transformer condition monitoring and assessment for evaluation of the complete system and repairs implementation of possible repairs on site.