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Fronius IG Plus A 3.0-1 UNI - Commissioning the Inverter; Startup Operation Requirements; Inverter Startup and Commissioning

Fronius IG Plus A 3.0-1 UNI
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66
Application ex-
ample
Example: Maximum short circuit current (I
SC
) of the solar module = 5.75 A
According to the criteria for selecting the correct fuse, the fuse must have a nominal current
greater than 1.56 times the short circuit current:
5.75 A x 1.56 = 8.97 A
The fuse that should be selected according to the ‘Fuses’ table:
KLK D 9 with 9.0 A and 600 V AC / DC
Fuses
'Fuses' table: Extract of suitable fuses, e.g. Littelfuse fuses
Nominal current Fuse Nominal current Fuse
4.0 A KLK D 4 9.0 A KLK D 9
5.0 A KLK D 5 10.0 A KLK D 10
6.0 A KLK D 6 12.0 A KLK D 12
7.0 A KLK D 7 15.0 A KLK D 15
8.0 A KLK D 8 20.0 A KLK D 20

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