Bases et solutions de protection Ex

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In 1994 EC Directive 94/9/EC “on the approximation of the laws of the Member States concerning equipment and protective systems for use in potentially explosive atmospheres” was issued to further standardise explosion protection in the EU. It was replaced in 2014 by EU Directive 2014/34/EU (ATEX). It stipulates the requirements for the quality of explosion-protected equipment and protective systems (e.g. by setting out provisions for conformity assessment, protective levels, certification, manufacture and quality assurance, operating manuals and declarations of conformity), in that it prescribes the essential health and safety requirements which must be satisfied by manufacturers and importers. The directive thus ensures the free movement of goods within the European Union and must be adopted as it stands into national legislation. In Germany for instance, this took the form of the Explosion Protection Product Ordinance as 11th Ordinance of the Equipment and Product Safety Act (11. ProdSV). It applies to all industrial hazardous areas (including mining).

The directive applies to equipment, components and protective systems for use in hazardous areas. It also applies to safety, control and regulating apparatus used outside the hazardous area, if the latter is necessary in respect of explosion hazards for the safe operation of equipment in the hazardous area. The directive does not refer to established standards, but sets out fundamental safety requirements, which are deemed as binding quality requirements. Protection from other hazards (e.g. electric shock) which may be caused by this equipment must also be taken into account.

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1. Physical principles and definitions

2. Legal bases

3. Technical principles

4. Installation and operation of electrical equipment in hazardous areas

5. Appendix

Bibliography

Solutions de protection Ex

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Ces sites Internet ont été créés sur le modèle de la brochure « Grundlagen Explosionsschutz » (« Bases de la protection Ex ») de la société R. STAHL Schaltgeräte GmbH. Nous la remercions pour son soutien amical.
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