Fronius IG Plus 35 - Selecting String Fuses

52
Important
- When connecting solar module strings, you should use metal bolts or
string fuses with fuse covers in the fuse holder depending on the solar
module manufacturer instructions.
The metal bolts are included in the Fronius IG Plus scope of delivery.
- Place metal bolts with fuse covers in the fuse holders for unoccupied
DC+ terminals.
Solar Module
Ground at
Positive Pole:
Connecting
Solar Module
Strings
(continued)
Selecting
String Fuses
If the solar module manufacturer requires the use of string fuses for ope-
ration:
- Select string fuses according to the information from the solar module
manufacturer or as per ‘Criteria for the Proper Selection of String
Fuses’ (max. 20 A per solar module string, max. 6 solar module
strings)
Important
- Please follow solar module safety instructions
- Please follow all solar module manufacturer requirements
9
max. 600 V
10
1
3
2
SMON
SMOFF
11
2
1
1
2
3
12