Criteria For The Proper Selection Of String Fuses - Fronius Primo 208-240 Instructions De Service

Criteria for the In order to prevent premature tripping of the fuse during normal operation, it is
Proper Selection
recommended that the following criteria be met per individual solar module
of String Fuses string when fusing-protecting the solar module strings:
-
-
-
I
N
I
SC
V
NOTE!
The nominal current value of the fuse must not exceed the maximum fuse pro-
tection value specified in the solar module manufacturer's data sheet.
If a maximum fuse protection value is not specified, please request it from the
solar module manufacturer.
12
I > 1.5 x I
N SC
V >/= maximum open circuit voltage of pv generator
N
Fuse dimensions: Diameter 10 x 38 mm
Nominal current of the fuse
Short circuit current for standard test conditions (STC) according to solar
module data sheet
Nominal voltage of the fuse
N
MPP1: each Terminal:
I = 15 A
max