NOTE!
A residual current circuit breaker for the AC connecting cable may be required
depending on local regulations, the power supply company as well as other con-
ditions.
A type A residual current circuit breaker with a trip current of at least 100 mA is
generally sufficient in this case. Nevertheless, false alarms can be triggered for
the type A residual current circuit breaker in individual cases and depending on
local conditions.
For this reason, Fronius recommends that you use a residual current circuit
breaker suitable for a frequency converter.
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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