Parts of BS EN 60079

Explosive atmospheres Part 0: Equipment — General requirements

This British standard was published in September 2012. It is the UK implementation of EN 60079-0:2012 and is derived from IEC 60079-0:2011. It supersedes BS EN 60079-0:2009, which is withdrawn.

The significant changes with respect to EN 60079- 0:2009, are contained in Annex ZY

Annexes which are additional to those in IEC 60079- 0:2011 are prefixed “Z”.

Explosive atmospheres Part 11: Equipment protection by intrinsic safety “i”

Incorporating corrigendum January 2012

This British Standard has been published and is the UK implementation of EN 60079-11:2012. It is identical to IEC 60079-11:2011, incorporating corrigendum January 2012. It supersedes EN 60079-11:2007, EN 61241-11:2006 and partially supersedes EN 60079- 27:2008.

This sixth edition constitutes a technical revision of these publications and the significant changes with respect to the previous editions are listed below:
• Inclusion of non-edition specific references to IEC 60079-0.
• The merging of the apparatus requirements for FISCO from IEC 60079-27.
• The merging of the requirements for combustible dust atmospheres from IEC 61241-11.
• Clarification of the requirements for accessories connected to intrinsically safe apparatus; such as chargers and data loggers.
• Addition of new test requirements for optoisolators.
• Introduction of Annex H about ignition testing of semiconductor limiting power supply circuits
• Inclusion of non-edition specific references to EN 60079-11
• Addition of new test requirements for optoisolators
• Clarification of the requirements for accessories connected to intrinsically safe apparatus such as chargers and data loggers.
• The merging of the apparatus requirements for FISCO from EN 60079-27
• The merging of the requirements for combustible dust atmospheres from EN 61241-11
• Inclusion of non-edition specific references to EN 60079-11

Copies of this revised standard are available from BSI.

Published in Valve User Magazine Issue 23


Summer 2020 // Issue 53
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