Fuse Recommendations - Application Example; Fuses - Fronius String Control 100/12 MET Bedienungsanleitung

Fuse Recommen- Example: Maximum short circuit current (I
dations - Applica-
tion Example According to the criteria for selecting the right string fuses, the fuse must have a nominal
current greater than 1.5 times and less than 2.0-times the short circuit current:
-
-
Fuse to be selected from the 'Fuses' table:
SPF9 with a nominal current of 9 A
or
SPF10 with a nominal current of 10 A.

Fuses

Nominal current
'Fuses' table: Extract of suitable fuses, e.g. Littelfuse fuses
5.75 A x 1.5 = 8.625 A
5.75 A x 2.0 = 11.5 A
Fuse
4.0 A SPF 4
5.0 A SPF 5
6.0 A SPF 6
7.0 A SPF 7
8.0 A SPF 8
) of the solar module = 5.75 A
SC
Nominal current
9.0 A
10.0 A
12.0 A
15.0 A
20.0 A
Fuse
SPF 9
SPF 10
SPF 12
SPF 15
SPF 20
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