the
specified separation distance exceeded, then addi-
tional conductors must installed.45 air
Length for ≤
0.25: Maximum length the isCon®
conductors air
TBS
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122
Chapter The external lightning protection system
.90 air
I 200 kA
1 11.
earthing system equipotential level) must meas-
ured.Test reports for the isCon®
conductor
Separation distance
Calculation the separating distance according to
IEC 62305-3 Section 6.50 15.25 18.09 m
3 and more 25.00 m
2 11.31 25.50 m
2 17.14 m
Table 2.50 12.57 42.61 51.73 m
3 and more 17.57 m
II 150 kA
1 7.05 28.
Basic
Pro
Pro+
Premium
LPD lightning protection
class
Max.05 m
3 and more 12. Source: Table
12 IEC 62305-3.75 22. must checked whether the calculated sep-
aration distance (s) less than the specified equival-
ent separation distance the isCon®
conductor.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.09 m
III+IV 100 kA
1 11.41 34.36 18.78 21.g. lightning current
peak value
Number of
conductors
Length for ≤
0.52 14.05 28.75 air
Length for ≤
0.
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.94 22.41 34.20 17.25 m
2 8
