Our special discipline: rotary cam switches and switch disconnectors

Whether it’s for industry or infrastructure, mechanical engineering or renewable energies, our rotary cam switches and on-load switches have demonstrated their success across a wide range of sectors and for an extensive variety of applications. As a main switch, repair switch or changeover switch. Individually configured for virtually any requirement – with our modular switch system.

What makes our switches unique


Individual and flexible

We can handle practically any technical challenge you may have thanks to our modular system. And if we don’t have your switch solution already in place, we would be happy to develop it with you. Even from unit numbers of as little as one.


Fast and always available

All of our development and production processes take place in Germany. This means we can work quickly and flexibly at all times without any dependencies and can deliver within a single day, even in the case of custom-made solutions.


Well advised and supported

We’re here to help you – from selection and configuration to repair of your products. Personal, with top-class service tailored to your needs.


Outstanding in both price and performance

Thanks to our streamlined processes and short distances, we offer an efficient, cost-saving approach.


High quality and safe

Thanks to 100% electrical controls, we enable certification that goes beyond current international safety standards. We produce your switch solutions to the highest quality under the strictest-possible conditions.


Sustainable production

We carry out everything in one single location. This strengthens the local economy and minimises the environmental footprint. Our goal: climate-neutral production of all of our switches.

Customers who trust us

Configurable for specific applications

There are applications for which the right switch configuration has to be determined. We can assist you with any challenge or application, regardless of its particular nature or specificity. Together, we can customise and personalise your switch to suit your needs.

Options include

Contact us

If you would like to discuss a specific challenge, learn more about our company or join our team, please do not hesitate to contact us.

+49 9122 1884 - 0
info@sontheimer.org