Scotty thanks for your feedback.
That was also my first doubt, but the manufacturer informed me that this system can trip in parallel to this fast earthing switch (for the arc protection) also the infeedeing breaker in order to interrupt the short circuit current... But also my standard...
Wbd I like your explaination and totally agree on it.
As my understanding is correct it is only possible to reduce the incident energy by reducing the arcing time!
Therefore I have only one remark / question about your second topic "arc flash relay".
This arc flash relays are very fast for the...
