Fimer PVS-50-TL, Руководство по эксплуатации продукта

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000871AG-F
5 - Installation
String protection fuses (-SX / -SX2 models only)
Sizing of fuses
The correct sizing of the positive side (+)
35
and negative side (-)
34
string fuses to be used to protect from “return currents” is very important
because it can considerably limit the risk of fire and damage to the PV
generator.
The wiring box equipped with string fuses are:
-SX version. Only positive side (+)
35
string fuses
-SX2 version. Positive side (+)
35
and negative side (-)
34
string fuses
PVS-50-TL-SX
PVS-60-TL-SX
PVS-60-TL-SX-CN
PVS-50-TL-SX2
PVS-60-TL-SX2
35 35
34
A “return current” can be generated in the event of a fault and relevant
short-circuit at the ends of one or more PV modules of the system; this
condition can cause all the current supplied by the strings not involved in
the fault, but connected to the same input channel, to pass through the
faulty string.