NOTE!
A residual current circuit breaker for the AC connecting cable may be required
depending on local regulations, the grid operator, and other conditions.
A type A residual current circuit breaker with a trip current of at least 100 mA is
generally sufficient in this case. However, false alarms can be triggered for the
residual current circuit breaker type A in individual cases and depending on local
conditions. For this reason, Fronius recommends that you use a residual current
circuit breaker suitable for frequency converters.
Additional ex-
ternal AC and/or
DC disconnect
Depending on the installation, an additional external AC and/or DC disconnect
may be required if the inverter is installed in a location not easily accessible to
utility or fire personnel. Contact your local authorities for additional information.
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