We protect people and machines
BERNSTEIN AG is a leading supplier of industrial safety and enclosure technology. We have combined these competences in the DETECT and PROTECT divisions. Our product portfolio ranges from switches, sensors and enclosures to support systems and operating terminals to system solutions for operating and safeguarding entire machines and systems. In this way, we can optimally support you as a customer in the implementation of your Smart Factory.
In our daily work, we always have one goal in mind: to protect people, machines and processes in the best possible way!
A family business since the beginningOur story
Hans Bernstein founded the company "BERNSTEIN Spezialfabrik für Schaltkontakte" in 1947 at the foot of the Kaiser Wilhelm monument in Porta Westfalica. Today, the East-Westphalian BERNSTEIN AG employs more than 600 people in 10 countries and, as an internationally active family business, is already managed in the 3rd generation by Nicole and Achim Bernstein, the grandchildren of the founder.
Learn more about our company history here, which already begins before 1947, and why a train breakdown had a decisive influence on the foundation.
Our passion: Safety for people and machines
With the two divisions DETECT and PROTECT , BERNSTEIN defines its expertise in the fields of safety technology and enclosure technology. Our products are as individual as our customers' requirements. The diverse product portfolio of switches, sensors, enclosures and suspension systems is aimed at driving forward the Industry 4.0 process in companies and supporting the implementation of a secure smart factory.
Safety technology
BERNSTEIN stands for reliable safety technology, with a versatile product range that enables flexible use in numerous industries and applications.
- Large selection of switches and sensors
- System solutions for safeguarding complete machines
- Intelligent "Daisy Chain Diagnostics" system
Enclosure technology
In the PROTECT area, BERNSTEIN offers you customised enclosure solutions. From standard enclosures to support systems and control enclosures, we will find the right product for you.
- Customised solutions tailored to your application
- Ergonomic product variants
- Customised enclosure machining
Our claim: A strong partner
We support our customers with well thought-out solutions, reliable products and personalised service. Thanks to our many years of experience and extensive expertise, we offer customised solutions that increase efficiency and safety. You can rely on a strong partner who understands your requirements and supports you from the beginning to the end of your project.


4 production sites
We now manufacture our products at four locations worldwide. Two of them are in Germany and one each in Hungary and China.


Family-owned company
BERNSTEIN AG has always been a family business. Today, 75 years after the company was founded, it is managed by the 3rd generation.


Certifications
We attach great importance to acting and doing business in a sustainable manner. That is why we are regularly certified according to DIN standards and take measures to protect the climate and the environment.
Our promise: Produced to the highest quality standards
Quality is our top priority. Through careful material selection, precise manufacturing and strict quality controls, we ensure that our products meet the highest standards. In this way, we ensure that you can rely on durable, safe and reliable solutions.
Our responsibility: acting and managing sustainably
For us, sustainability is more than just a promise - it is part of our daily work. With resource-conserving processes, durable products and responsible business practices, we are making our contribution to an environmentally friendly future. Our international locations enable us to optimise delivery routes, reduce emissions and thus contribute to a more environmentally friendly value chain.
ISO certifications
Our company has had a certified quality management system in accordance with DIN EN ISO 9001 since 1996. In 2016, our environmental management system was also certified in accordance with DIN EN ISO 14001.
In addition to this, we have committed to a range of measures to reduce emissions and resources and close cycles. Find out more about our sustainability strategies.
International locations
We manufacture our products for you at 4 production sites worldwide. Our sales network now consists of a total of 8 subsidiaries and 34 distributors around the world who represent the BERNSTEIN brand.
This enables us not only to guarantee short delivery routes, but also to be there for our customers locally.