Siemens Industry Online Support
Siemens AG
Entry type: FAQ, Entry ID: 48934955, Entry date: 03/09/2011

3RV20/3RV21 Circuit Breaker: Differences between Circuit Breaker for Motor Protection?

Security information
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about industrial security, please visit