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CEI EN 60079-25 : 2012

Current
Current

The latest, up-to-date edition.

EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS
Available format(s)

Hardcopy , PDF

Language(s)

English - Italian

Published date

01-01-2012

FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Descriptive system document
5 Grouping and classification
6 Levels of protection
7 Ambient temperature rating
8 Interconnecting wiring/cables used in an intrinsically
   safe electrical system
9 Requirements of cables and multi-core cables
10 Termination of intrinsically safe circuits
11 Earthing and bonding of intrinsically safe systems
12 Protection against lightning and other electrical surges
13 Assessment of an intrinsically safe system
14 Marking
15 Predefined systems
Annex A (informative) - Assessment of a simple intrinsically
                        safe system
Annex B (normative) - Assessment of circuits with more
                      than one source of power
Annex C (informative) - Interconnection of non-linear and
                        linear intrinsically safe circuits
Annex D (normative) - Verification of inductive parameters
Annex E (informative) - A possible format for descriptive
                        systems drawings and installation
                        drawings
Annex F (informative) - Surge protection of an intrinsically
                        safe circuit
Annex G (normative) - Testing of cable electrical parameters
Annex H (informative) - Use of simple apparatus in systems
Annex I (normative) - FISCO systems
Bibliography
Annex ZA (normative) - Normative references to international
                       publications with their corresponding
                       European publications
Annex ZZ (informative) - Coverage of essential requirements
                         of the directive 94/9/EC

Provides the specific requirements for construction and assessment of intrinsically safe electrical systems, type of protection 'i', intended for use, as a whole or in part, in locations in which the use of Group I, II or III apparatus is required.

Committee
CT 31
DevelopmentNote
Classificazione CEI 31-79. Supersedes CEI EN 50039. (05/2008)
DocumentType
Standard
Pages
164
PublisherName
Comitato Elettrotecnico Italiano
Status
Current
Supersedes

Standards Relationship
IEC 60079-25:2010 Identical
EN 60079-25:2010/AC:2013 Identical

IEC 61158-2:2014 Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
EN 60079-27:2008 Explosive atmospheres - Part 27: Fieldbus intrinsically safe concept (FISCO)
EN 60079-0:2012/A11:2013 EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS (IEC 60079-0:2011, MODIFIED)
EN 60079-15:2010 Explosive atmospheres - Part 15: Equipment protection by type of protection "n"
EN 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
IEC 61241-0:2004 Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements
IEC 61241-11:2005 Electrical apparatus for use in the presence of combustible dust - Part 11: Protection by intrinsic safety 'iD'
EN 60079-11:2012 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
IEC 60079-27:2008 Explosive atmospheres - Part 27: Fieldbus intrinsically safe concept (FISCO)
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
EN 61241-11:2006 Electrical apparatus for use in the presence of combustible dust - Part 11: Protection by intrinsic safety "iD"
IEC 60079-0:2011 Explosive atmospheres - Part 0: Equipment - General requirements
EN 61241-0:2006 Electrical apparatus for use in the presence of combustible dust - Part 0: General requirements
IEC 60079-14:2013 Explosive atmospheres - Part 14: Electrical installations design, selection and erection
EN 60079-14:2014/AC:2016 EXPLOSIVE ATMOSPHERES - PART 14: ELECTRICAL INSTALLATIONS DESIGN, SELECTION AND ERECTION (IEC 60079-14:2013/COR1:2016)
EN 61158-2:2014 Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
IEC 60079-15:2010 Explosive atmospheres - Part 15: Equipment protection by type of protection "n"

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