00 m
2 11.41 34.25: Maximum length the isCon®
conductors air
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2020/01/10
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122
Chapter The external lightning protection system
.05 28.61 51.50 12.90 air
I 200 kA
1 11.3 the connection point of
the isCon®
conductor: the length (l) between the con-
nection point the isCon®
conductor the next level
of the lightning protection equipotential bonding (e.
Basic
Pro
Pro+
Premium
LPD lightning protection
class
Max. Source: Table
12 IEC 62305-3.Test reports for the isCon®
conductor
Separation distance
Calculation the separating distance according to
IEC 62305-3 Section 6.14 m
Table 2. lightning current
peak value
Number of
conductors
Length for ≤
0.31 25.57 m
II 150 kA
1 7.20 17.50 m
2 17. must checked whether the calculated sep-
aration distance (s) less than the specified equival-
ent separation distance the isCon®
conductor.45 air
Length for ≤
0.25 m
2 8.g.09 m
3 and more 25.36 18.05 28.75 22. the
specified separation distance exceeded, then addi-
tional conductors must installed.52 14.05 m
3 and more 12.41 34.73 m
3 and more 17.78 21.57 42.94 22.50 15.
Note
The values the table apply all type earthers
and those type earthers which the earth resist-
ance the neighbouring earther electrodes does not
differ more than factor the earther resist-
ance individual electrodes deviates more than a
factor should assumed.75 air
Length for ≤
0.
earthing system equipotential level) must meas-
ured.25 18.09 m
III+IV 100 kA
1 11
