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About This Item

 

Full Description

This part of IEC 60079 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).
 

Document History

  1. CSA C22.2 NO. 60079-0:19

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    Explosive atmospheres - Part 0: Equipment - General requirements (Adopted IEC 60079-0:2017, seventh edition, 2017-12, with Canadian deviations)

    • Most Recent
  2. CAN/CSA C22.2 NO. 60079-0:15


    Explosive atmospheres - Part 0: Equipment - General requirements (Adopted IEC 60079-0:2011, sixth edition, 2011-06, with Canadian deviations), Includes Update No. 1 (2018)

    • Historical Version
  3. CAN/CSA C22.2 NO. 60079-0:11


    Explosive atmospheres - Part 0: Equipment - General requirements (Adopted IEC 60079-0:2007, fifth edition, 2007-10, with Canadian deviations)

    • Historical Version
  4. CSA C22.2 NO. 60079-0-07


    Electrical Apparatus for Explosive Gas Atmospheres - Part 0: General Requirements (Adopted CEI/IEC 60079-0:2004, fourth edition, 2004-01, with Canadian deviations)

    • Historical Version