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IEC

31G - Intrinsically-safe apparatus

To prepare and maintain international standards relating to intrinsically safe electrical apparatus and systems for use where there is a hazard due to the possible presence of explosive atmospheres of gases, vapours, mists or combustible dusts.

Matériels à sécurité intrinsèque

Normalisation dans le domaine des systèmes et appareils à sécurité intrinsèque quand des circuits se trouvent placés totalement ou partiellement dans des atmosphères gazeuses potentiellement explosives.

General Information

Status
Active
Parent
31 - Automatic identification and data capture techniques
Standardization Organization
ICS
Directive
Mandate
20
IEC
IEC 60079-25:2020(Main)
Explosive atmospheres - Part 25: Intrinsically safe electrical systems

IEC 60079-25:2020 contains the specific requirements for design, construction and assessment of intrinsically safe 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 Ex Equipment is required.
This document supplements and modifies the general requirements of IEC 60079-0 and the intrinsic safety standard IEC 60079-11. Where a requirement of this standard conflicts with a requirement of IEC 60079-0 or IEC 60079-11, the req...view more

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    • Standard
      117 pages
      English and French language
IEC
IEC TS 60079-39:2015(Main)
Explosive atmospheres - Part 39: Intrinsically safe systems with electronically controlled spark duration limitation

IEC TS 60079-39:2015(E) specifies the construction, testing, installation and maintenance of Power-i apparatus and systems which utilise electronically controlled spark duration limitation to maintain an adequate level of intrinsic safety. This Technical Specification contains requirements for intrinsically safe apparatus and wiring intended for use in explosive atmospheres and for associated apparatus intended for connection to intrinsically safe circuits entering such atmospheres. This Technic...view more

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    • Technical specification
      51 pages
      English language
IEC
IEC 60079-11:2011(Main)
Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"

IEC 60079-11:2011 is now available as IEC Standards+ 60079-11:2011 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60079-11:2011 specifies the construction and testing of intrinsically safe apparatus intended for use in an explosive atmosphere and for associated apparatus, which is intended for connection to intrinsically safe circuits which enter such atmospheres. This type of protection is ...view more

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    • Standard
      289 pages
      English and French language
IEC
IEC 60079-25:2010(Main)
Explosive atmospheres - Part 25: Intrinsically safe electrical systems

IEC 60079-25:2010 contains 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. This standard supplements and modifies the general requirements of IEC 60079-0 and the intrinsic safety standard IEC 60079-11. Where a requirement of this standard conflicts with a requirement of IEC 60079-0 or IEC 60079-11, the requ...view more

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    • Standard
      151 pages
      English and French language
20