Gamatronic Centric Series Installation Manual page 71

This ensures that the circuit breaker will interrupt the short circuit before any damage can be done
to the static switch contactor and the UPS modules.

If you choose to use a time-delay circuit breaker on the bypass input line, recommended
rating of the breaker is approximately six times the maximum bypass input current.

When using a circuit breaker with delayed magnetic protection, the ability of the cables and the rest
of the infrastructure to withstand a short circuit must be taken in account.
Where the local electrical code is more stringent than the above recommendations, the local code
takes priority.
Centric Installation Guide, rel. 4.7
GAMATRONIC, A S E
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