Inserting String Fuses; Safety; Selecting String Fuses - Fronius String Control 250/25 Operating Instructions Manual

Inserting String Fuses

Safety

Selecting Only use fuses for solar modules that meet the proper requirements for
String Fuses string fuses from the solar module manufacturer or as per the „Criteria for
the Proper Selection of String Fuses" section:
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Important
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Inserting
String Fuses
WARNING! An electrical shock can be fatal. Danger from DC
voltage from solar modules.
- Make sure that the input and output sides in front of the
device are not charged before conducting any connection
or maintenance work.
- Never remove or insert a fuse while it is under load.
- Any and all connections should only be carried out by quali-
fied electricians.
- Follow the safety rules in these operating instructions.
max. 20 A per fuse holder
max. 25 solar module strings
max. 50 A per measuring channel
max. 250 A of total input current
Fuse dimensions: Diameter 10 x 38 mm
Please follow solar module safety instructions
Follow all solar module manufacturer requirements
NOTE Insert string fuses in the fuse holders corresponding to the
number of available solar modules.
1
1
2
2
20
1