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DEHN clamps and connectors meet the requirements of this els, types of surges, installation methods, place of installation
test standard. of SPDs, coordination of SPDs, types of faults of SPDs and the
consequences in case of failure of the equipment to be pro-
IEC 62561-2 (EN 62561-2): Lightning protection tected must be taken into account. The standard / technical
system components (LPSC) – Requirements for specification describes the principles for the selection, opera-
conductors and earth electrodes tion, place of installation and coordination of SPDs connected
This standard specifies the requirements on conductors, air- to 50/60 Hz a.c. systems and equipment with nominal voltages
termination rods, earth lead-in rods and earth electrodes. up to 1000 V (r.m.s. value). This standard / technical specifica-
tion only covers SPDs in electrical installations of buildings.
IEC 62561-3 (EN 62561-3): Lightning protection Surge protective devices installed in devices are not taken into
system components (LPSC) – Requirements for account.
isolating spark gaps (ISG)
IEC 61643-21 (EN 61643-21): Surge protective devices
IEC 62561-4 (EN 62561-4): Lightning protection connected to telecommunications and signalling
system components (LPSC) – Requirements for networks
conductor fasteners This standard describes the performance requirements and test
procedures for surge protection devices used for the protection
IEC 62561-5 (EN 62561-5): Lightning protection of telecommunications and signalling networks including
system components (LPSC) – Requirements for earth ¨ Data networks
electrode inspection housings and earth electrode
seals ¨ Voice transmission networks
¨ Emergency alarm systems and
IEC 62561-6 (EN 62561-6): Lightning protection ¨ Automation systems
system components (LPSC) – Requirements for
lightning strike counters (LSC) IEC 61643-22 (CLC/TS 61643-22): Low-voltage surge
protective devices – Surge protective devices
IEC 62561-7 (EN 62561-7): Lightning protection connected to telecommunications and signalling
system components (LPSC) – Requirements for networks – Selection and application principles
earthing enhancing compounds This standard / technical specification describes the principles
for the selection and application of surge protective devices
IEC 61643-11 (EN 61643-11): Surge protective devices (SPDs) used to protect telecommunications and signalling net-
connected to low-voltage power systems – Require- works.
ments and test methods
This standard describes the requirements on, and inspections IEC 61663-1 (EN 61663-1): Lightning protection –
of, surge protective devices (SPDs) to ensure protection against Telecommunication lines – Fibre optic installations
the effects of indirect and direct lightning strikes or other tran-
sients. IEC 61663-2 (EN 61663-2): Lightning protection –
Telecommunication lines – Lines using metallic
IEC 61643-12 (CLC/TS 61643-12): Surge protective conductors
devices connected to low-voltage power distribution
systems – Selection and application principles Supplement 1 of the German DIN VDE 0845 standard
This standard / technical specification must be used together (Supplement 1 of the German VDE 0845 standard):
with the IEC 61643-11 (EN 61643-11) standard and includes Overvoltage protection of information technology
information on parameters which are required for the correct equipment (IT installations)
selection of surge protective devices. It also provides informa- This supplement provides additional information on how to
tion on the selection and coordination of SPDs. In this context, protect IT installations against surges. Normative require-
the entire operating environment of the SPDs used such as ments are included in IEC 61663-1 (EN 61663-1), IEC 61663-2
equipment to be protected, system properties, insulation lev- (EN 61663-2) and IEC 61643-21 (EN 61643-21).

12 LIGHTNING PROTECTION GUIDE www.dehn-international.com