JavaScript is not active in your browser. Activate JavaScript in order to enable the use of all functions of the website.

How to enable JavaScript in your browser

Protective devices

Back to E-learning

Choose the desired topic from the following list, then click on a module, and off you go. Have fun and best of luck!

Device circuit breakers

Device circuit breakers

In the event of overload or short circuit, device circuit breakers selectively shut down the faulty circuit. We offer circuit breakers with various trigger mechanisms – providing the right solution for every application.

CBM – multi-channel device circuit breakers – Startup and signaling

Learn how to connect and set the multi-channel CBM device circuit breakers. Recognise the signalling of the various states.

Start tutorial

CBMC Device circuit breakers

CBMC, the electronic device circuit breaker, was designed to meet your specific requirements: it combines a compact design and options for individual adjustments. For you, this means that you can easily and flexibly adjust currents, save space, and reliably protect all applications by means of just one piece of equipment.

Start tutorial

Current limitation – what is it?

By reference to an actual application, this video shows different behaviors of electronic device circuit breakers with or without active current limitation.

Start video

Technical help