Grau Elektronik - Your reliable partner for power supplies

Our team at Grau Elektronik is your specialist for converter technology. From projects designed for railway, up to applications in industry or innovations for renewable energy: we are passionate to make our products match our costumer’s needs.

Maximizing reliability for our products, using energy and materials in a conscious way as precious resources, establishing a close connection between costumer, application, product and process: According to these very expectations, we develop and produce voltage converters, current sources, battery chargers, Inverters and emergency starting devices for you – everything coming from one source.

You will measure us against your challenges. Benefit from our expert knowledge in the development of highly available current and voltage supply systems. Let us convince you – by making you discover 20 years of expertise, hundreds of thousands of successful products and a worldwide use of our products!