Blitzschutz - EuroVolt

1. Application
The air-termination rod can be used to install isolated lightning protection air-termination
systems according to DIN EN 62305-3 (VDE 0185-305-3), IEC 62305-3. When using the airtermination
rod, the ”protective angle method” has to be applied. The protective angle depends
on the class of LPS (risk level) and on the height of the air-termination rod above the surface
to be protected. For more details on values, please refer to DIN EN 62305-3 (VDE 0185-305-3),
IEC 62305-3 Table 3 (see also Table 1 and Fig. 1). Alternatively, the ”rolling sphere method” can
be applied for positioning the air-termination rod.
The air-termination rods specified in the installation instructions are designed for wind load zone
II according to DIN 4131. If installed correctly, the air-termination rods can stand up to wind
load influences up to 145 km/h.
air-termination rod without supporting braces
heights 4 m, 4,5 m, 5 m oder 5,5 m
a a
air-termination rod with supporting braces
heights 6 m, 6,5 m, 7 m, 7,5 m, 8 m oder 8,5 m
protective angle a
a
a
protective angle a
radius(R)
a (°)
80
70
60
50
40
30
20
10
0
class of LPS I II III IV
0 10 20 30 40 50 60
h (m)
Calculation the air-termination rod
Fig. 1 Protectiv angle a according to Table 1
radius ( R )
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