Dc Fuse Protection - Pre-Combined; Connecting Pv Cables - Mc4 Connector; Connecting Pv Cables - Pre-Combined - Fronius Tauro 50-3 Operating Instructions Manual

DC fuse protec-
tion - pre-com-
bined
Risk of damage to the inverter as the result of incorrectly fused PV lines.
PV lines for the "pre-combined" model that are not fused can cause damage to the
inverter.
▶
Connecting PV
1
cables - MC4 con-
nector
Connecting PV Solar module strings that are combined in a DC combiner box, must, according to the
cables - Pre-com- applicable national regulations, be fused per string in the DC combiner box!
bined
CAUTION!
PV lines must be fused in a combiner box before the inverter ("pre-combined" ver-
sion).
Before working in the connection area of the inverter, the DC voltage
must be switched off. This can also be done in the DC combiner
box.
Connect the PV cables from the solar
modules to the MC4 connectors as
labelled
Unused MC4 connectors on the inverter
must be covered with the cover plates
supplied with the inverter.
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