Replacing The String Fuses - Fronius Tauro 50-3 Operating Instructions Manual

Replacing the
string fuses
Danger due to faulty fuses.
This can lead to fires.
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Danger due to incorrectly dimensioned string fuses
Incorrectly dimensioned string fuses can cause damage to the inverter for these
connected components.
The following string fuses should be used for the -D (direct) version of the Froni-
us Tauro:
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Replacing fuses:
Fronius Tauro 50-3-D string 1.1 - 3.7 /
Fronius Tauro 50-3-D (30A fuses) string 1.1 - 3.5 /
Fronius Tauro Eco 50-3-D string 1.1 - 2.7 /
Tauro Eco 50-3-D (30A fuses) string 1.1 - 2.5 /
Fronius Tauro Eco 99 / 100-3-D string 1.1 - 2.7 /
Fronius Tauro Eco 99 / 100-3-D (30A fuses) string 1.1 - 3.5
Check values! Only replace faulty fuses with new ones of the same rating.
1
CAUTION!
Only replace faulty fuses with new ones of the same rating.
Do not replace faulty fuses with bolts.
CAUTION!
Max. 10 A per string → use of 15 A gPV fuse 1000 V possible (Fronius item
number: 41,0007,0230 - fuse 15 1000 F PV 15A)
Max. 14.5 A per string → use of 20 A gPV fuse 1000V required (Fronius item
number: 41,0007,0233 - fuse-HL 20A 1KV fast)
Max. 22 A per string → use of 30 A gPV fuse 1000V required (Fronius item
number: 41,0007,0241 - fuse-HL 30A 1KV fast)
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