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  • DS/EN IEC 60079-0:2018

DS/EN IEC 60079-0:2018

Explosive atmospheres – Part 0: Equipment – General requirements

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Harmonized under:
  • Directive 2014/34/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to equipment and protective systems intended for use in potentially explosive atmospheres (recast) Text with EEA relevance

Harmonized standards:


<span style="color:red">NEW!</span>IEC 60079-0:2017 is available as <a href="https://webstore.iec.ch/publication/62232">IEC 60079-0:2017 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.</br></br><font size="2"><font color="#000000"><span lang="EN-GB" style="mso-ansi-language: FR;">IEC 60079-0:2017 specifies the general requirements for construction, testing and marking of Ex Equipment and Ex Components intended for use in explosive atmospheres. The standard atmospheric conditions (relating to the explosion characteristics of the atmosphere) under which it may be assumed that Ex Equipment can be operated are:

-temperature –20 °C to +60 °C;

-pressure 80 kPa (0,8 bar) to 110 kPa (1,1 bar); and

-air with normal oxygen content, typically 21 % v/v.

This part of IEC 60079 and other standards supplementing this standard specify additional test requirements for Ex Equipment operating outside the standard temperature range, but further additional consideration and additional testing may be required for Ex Equipment operating outside the standard atmospheric pressure range and standard oxygen content. Such additional testing may be particularly relevant with respect to Types of Protection that depend on quenching of a flame such as ‘flameproof enclosures “d”’ (IEC 60079-1) or limitation of energy, ‘intrinsic safety “i”’ (IEC 60079-11). This seventh edition cancels and replaces the sixth edition, published in 2011. This edition constitutes a technical revision. Refer to the Forward of the document for a complete listing of the technical changes between edition 7.0 and the previous edition of the document.

Keywords: Ex Equipment and Ex Components intended for use in explosive atmospheres</span></font></font>

Number of pages: 151

Published: 2018-07-11

Date of approval: 2018-07-09

International relationships : EN IEC 60079-0:2018 IDT IEC 60079-0:2017 ED7 IDT

ICS: 29.260.20 - Electrical apparatus for explosive atmospheres

Item number: M310667



  • CLC/TC 31
  • IEC/TC 31

Danish committee