ATEX regulations

ATEX is the abbreviation for "ATmosphère EXplosible", which means "explosive atmosphere" in English. At the same time, ATEX is also the short form for the European Directive 2014/34/EU for the distribution of explosion-protected electrical and mechanical equipment as well as components and protective systems. Directive 94/9/EU, which came into force on 1 July 2003, was superseded on 20 April 2016 by the new regulation, which has since applied to all new equipment and protective devices.

ATEX 2014/34/EU Article 100a:

Article 100a describes the responsibilities of manufacturers:

  • Requirements for equipment and protective systems intended for use in potentially explosive atmospheres (e.g. gas detectors)
  • Requirements for safety and control devices for use outside potentially explosive atmospheres but which are necessary for the safe operation of equipment and protective systems (e.g. controllers)
  • Classification of equipment into categories
  • Essential Health and Safety Requirements (EHSRs) relating to the design and construction of equipment/systems

To comply with the ATEX Directive, the equipment must:

  • Carry a CE mark
  • Have the required hazardous area certification
  • Comply with a recognised performance standard (e.g. EN 60079-29-1:2007) for flammable gas detectors (application specific)
  • Have an EC Declaration of Conformity confirming that the essential health and safety requirements have been met and that the conformity assessment procedures have been followed
  • Have an operating manual that conforms to the rules
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