Fronius IG Plus 35 - Selecting String Fuses; Using String Fuses in Fronius IG Plus

32
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
1
1
4
2
3
WARNING! An electrical
shock can be fatal.
Danger from DC voltage
from solar modules.
Fuse covers are for
installation purposes
only. They offer no pro-
tection against contact.
Using String
Fuses in Fro-
nius IG Plus
NOTE If the solar module manufacturer requires the use of string
fuses:
- Insert fuses with a fuse cover in the respective fuse holder
- Do not operate the Fronius IG Plus without fuse covers
9
2
1
1
2
3
10
For more information about string fuses, please see ‘Criteria for the Pro-
per Selection of String Fuses.’
Ungrounded
System: Con-
necting Solar
Module
Strings
(continued)