Because progress comes from ideas.


Our products protect lives and assets. This goal drives us to think ahead, make inventions and go beyond limits. In all the different markets, in ever new applications and with surprising ideas.

With E-T-A at your side, you can be sure that you are using products that are characterised by innovative technology, top quality and maximum practicality. Our customers’ requirements are always at the centre of everything we do.

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This is what we are working on

We focus on topics of different areas, but they have one thing in common: We are rooted in different sectors and ready to brake new and unconventional grounds, to master our customers’ challenges.

Efficiency? But safely!: High voltage

High voltages are the basis for increasing electrification in all areas. We are developing solutions for the tasks and requirements of the future. From electric mobility to telecommunication technology.

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Focus on availability: Digitisation

Availability is the main focus in the automation and telecommunication technology. We offer networked devices, enable condition monitoring and combine this with minimum space requirements. This is how we pave the way for the industry and communication of the future.

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Intelligent power distribution: Smart mobility

New concepts are required for the energy management of autonomous and smart vehicles. Whether on sea or on land - we develop solutions for future mobility.

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We make innovations possible

The facts speak for themselves. 75 years of innovations have made E-T-A what we stand for today.
We make plans, invest and give space - this is how ideas are born.


living patents


employees in
research and development


of annual turnover
is channelled into
research and development


Traditionally at the top: E-T-A is world market leader champion!

For the fifth time in a row, E-T-A Elektrotechnische Apparate GmbH is listed as the world market leader champion in the “circuit breakers for equipment protection and circuit protectors” segment in the current world market leader index of the St. Gallen university and of the Akademie Deutscher Weltmarktführer (academy of German world market leaders - ADWM).

“It is not a matter of course to be at the top. Everyone in our team is very proud that we are able to maintain our position as world market leader every year”, emphasises CEO Dr. Jennifer Sell.