Installation The Fronius Smart Meter IP can be
mounted on a 35 mm DIN rail. The
housing comprises 3 modules accord-
ing to DIN 43880.
Protective cir-
cuit
The Fronius Smart Meter IP is a hard-wired device and requires a disconnecting
device (automatic circuit breaker).
The Fronius Smart Meter IP consumes 30 mA, the nominal capacity of the dis-
connecting devices and the overcurrent protection is determined by the conduct-
or cross-sections, the mains voltage and the required breaking capacity.
-
The disconnecting devices must be mounted in the same enclosure (e.g.
switch cabinet) as the Fronius Smart Meter IP.
-
The disconnecting devices must satisfy the requirements of IEC 60947-1
and IEC 60947-3, as well as all national and local regulations for electrical
systems.
-
To monitor multiple mains voltages, use connected automatic circuit break-
ers.
NOTE!
Disconnecting device for the mains terminals
▶
The automatic circuit breaker must protect the mains terminals marked L1,
L2 and L3. In rare cases, the neutral conductor has a disconnecting device,
which must interrupt both neutral and non-earthed cables concurrently.
19
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