I.S. EN 60079-11:2012
Current
The latest, up-to-date edition.
EXPLOSIVE ATMOSPHERES - PART 11: EQUIPMENT PROTECTION BY INTRINSIC SAFETY 'I'
Hardcopy , PDF
English
01-01-2012
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
National Foreword
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Grouping and classification of intrinsically safe
apparatus and associated apparatus
5 Levels of protection and ignition compliance
requirements of electrical apparatus
6 Apparatus construction
7 Components on which intrinsic safety depends
8 Infallible components, infallible assemblies of
components and infallible
9 Supplementary requirements for specific apparatus
10 Type verifications and type tests
11 Routine verifications and tests
12 Marking
13 Documentation
Annex A (normative) - Assessment of intrinsically safe
circuits
Annex B (normative) - Spark test apparatus for
intrinsically safe circuits
Annex C (informative) - Measurement of creepage distances,
clearances and separation distances through
casting compound and through solid insulation
Annex D (normative) - Encapsulation
Annex E (informative) - Transient energy test
Annex F (normative) - Alternative separation distances
for assembled printed circuit boards and
separation of components
Annex G (normative) - Fieldbus intrinsically safe concept
(FISCO) - Apparatus requirements
Annex H (informative) - Ignition testing of semiconductor
limiting power supply circuits
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
Annex ZY (informative) - Significant changes between
this European Standard and EN 60079-11:2007
Annex ZZ (informative) - Coverage of Essential
Requirements of EU Directives
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