Weidmueller Enclosures & Cable Glands

ATEX directive 2014/34/EU
Technical appendix
ATEX directive 2014/34/EU
Article 96 of the Treaty on the Foundation of the European
Union and Decision no. 768/2008/EU and Federal Gazette
96/309-356 govern the standardisation of legal regulations
in the Member States. The ATEX directive 2014/34/EU sets
out the basic requirements for health and safety protection
as a directive following the new concept. It is aimed at
manufacturers of equipment and components designed for
used in potentially explosive atmosphere areas.
This directive had to be adopted without deviation into
national law.
For Germany, this took the form of the passing of the
Explosion Protection Ordinance (2015 ExVo 2015) of the
Product Safety Act (ProdSG). It applies to all industrial
potentially explosive areas, including mines, and also covers
protection from dust-ignited explosions.
This directive sets out the requirements for the products
depending on their equipment group and category. This is
the category as set down by the directive 1999/92/EC
applicable for each appropriate zone.
This conformity assessment process of the directives
sets out different procedures. For device category 3, the
manufacturer can perform the conformity assessment itself.
For devices of categories 1 and 2, this conformity check
must be carried out at a notified body in the form of a
EC type-examination. In addition, quality assurance must be
monitored for the devices of categories 1, 2 and 3.
Weidmüller has devices and components in its product
range. Empty enclosures are components and are certified
at the factory as such. Installing certified components does
not create a certified equipment. To do this, additional tests
must be carried out.
Weidmüller offers customer-specific devices available as
certified solutions. The production of assembled enclosures
is monitored by a notified body.
To prove conformity with the basic health and safety
regulations, harmonised standards are used. If the
requirements as laid out in the Official Journal of the EU
are met, then it will be in compliance with the standard
requirements for conformity (presumption of conformity).
Various, mostly equivalent, protection types have been
standardised harmoniously.
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