Lightning protection class Visual inspection (year)
Comprehensive visual
inspection (year)
Comprehensive visual inspection
in critical situations (year)
I and 1
III and 1
Table 4.
Components for lightning protec-
tion systems are tested according
to IEC 62561-1. After a
conditioning phase lasting days, the components
are impacted with three lightning strikes.1: Critical situations include structures containing sensitive systems, office and commercial buildings or
places which large number people meet.
BET lightning current generator
Components for lightning protection systems are
tested for functionality according IEC 62561-1 –
Requirements for connection components.
Components for conductors along which the lightning
current can spread (at least two arrestors) and con-
nections the earthing system are tested with Iimp
50 (10/350). The lightning
protection components for air-termination systems are
tested with Iimp 100 (10/350).
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Chapter Testing, maintenance and documentation
. This corres-
ponds test class H. This corresponds test class N
