Fronius IG Plus 30 V-1 - Page 44

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For more information on string fuses, see the section "Criteria for the proper selection of
string fuses."
Selecting String
Fuses
If the solar module manufacturer requires the use of string fuses for operation:
- Select string fuses according to the information from the solar module manufacturer
or according to "Criteria for the Proper Selection of String Fuses" (max. 20 A per solar
module string, max. 6 solar module strings)
max. 600 V
7
2
1
3
SMON
SMOFF
8
IMPORTANT!
- When connecting solar module strings, you should use metal bolts or string fuses with
fuse covers in the fuse holders depending on the solar module manufacturer's instruc-
tions.
The metal bolts are included in the inverter scope of delivery.
- Place metal bolts with fuse covers in the fuse holders for unoccupied DC+ terminals.
1
2
6 x
9
1
2
3
10
IMPORTANT!
- Please follow solar module safety instructions
- Follow all solar module manufacturer requirements