1.1 Installation standards
With the new IEC 62305 (EN 62305) standard series, the state
of the art in the field of lightning protection is incorporated
in a uniform and updated international (European) standard.
The actual lightning protection standards (IEC 62305-3
(EN 62305-3) and IEC 62305-4 (EN 62305-4)) are preceded by
two general standard parts (IEC 62305-1 (EN 62305-1) and
62305-2 (EN 62305-2)) (Table 1.1.1). The supplements to
the German standards include important national information
(Table 1.1.2).
IEC 62305-1 (EN 62305-1): General principles
This part contains information about the risk of lightning
strikes, lightning characteristics and the resulting parameters
for simulating the effects of lightning strikes. In addition, an
overview of the IEC 62305 (EN 62305) standard series is given.
Procedures and protection principles, which form the basis for
the following parts, are explained.
IEC 62305-2 (EN 62305-2): Risk management
Risk management in accordance with IEC 62305-2
(EN 62305-2) includes a risk analysis to determine whether
lightning protection is required. A technically and economically
optimum protection measure is then defined. Finally, the