Datasheet

II-2015, www.findernet.com
27
E
7P
SERIES
7P SERIES
Surge Protection Device (SPD)
SPD fuse protection
Conforming to prEN50539-11:2010, Finder SPDs are equipped with
a thermal disconnector able to safely disconnect a worn or damaged
varistor up to a value of short-circuit current equal to the short-circuit
current withstand value (I
scpv
), as specified in the technical data.
Ensure that the PV short circuit current I
sc
<I
scpv
.
Ensure that the PV short circuit current I
sc
<I
scpv
or increase the number of
the strings.
Insulation distances and wiring
To conform with prEN50539-11 insulation distances and minimum wiring
cross section must be respected.
A
A
Insulation distances Minimum Wiring [mm
2
]
U
CPV
(SPD)≥1.2xU
OCSTC
A [mm] +/– Poles Ground
750VDC 5 4 6
1,000VDC 5 4 6
1,200VDC 7 4 6