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IEC 60079-11:2011 RLV
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Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
13-01-2023
English - French
29-07-2011
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 connections on which
intrinsic safety depends
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
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