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      • CSA C22.2 NO. 60079-6:17 (R2022)

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      CSA C22.2 NO. 60079-6:17 (R2022)

      Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o" (Adopted IEC 60079-6:2015, fourth edition, 2015-02, with Canadian deviations)
      SKU: 2425202 Published by CSA Group Publication Year 2017 Reaffirmed in 2022 70 pages

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      CSA Preface


      This is the second edition of CAN/CSA-C22.2 No. 60079-6, Explosive atmospheres — Part 6: Equipment protection by liquid immersion o, which is an adoption, with Canadian deviations, of the identically titled IEC (International Electrotechnical Commission) Standard 60079-6 (fourth edition, 2015-02). It supersedes the previous edition published in 2011 as CAN/CSA-C22.2 No. 60079-6, Explosive atmospheres — Part 6: Equipment protection by oil immersion o (adopted IEC 60079-6:2007). It is one in a series of Standards issued by CSA Group under Part II of the Canadian Electrical Code.


      For brevity, this Standard will be referred to as CAN/CSA-C22.2 No. 60079-6 throughout.


      This Standard is intended to be used in conjunction with CAN/CSA-C22.2 No. 60079-0, Explosive atmospheres — Part 0: Equipment — General requirements.


      Changes to this edition include the following:


      a) The requirements for oil immersion o have been redefined into liquid immersion, levels of protection ob and oc as recommended by the responses to 31/715/DC.


      b) The ability to protect sparking contacts has been added to both ob and oc.


      c) Additional requirements have been introduced for the protective liquid.


      This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard.


      This Standard was reviewed for Canadian adoption by the CSA Integrated Committee on Hazardous Location Products, under the jurisdiction of the CSA Technical Committee on Industrial Products and the CSA Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the Technical Committee.


      This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.


      Scope


      This part of IEC 60079 specifies the requirements for the design, construction, testing and marking of Ex Equipment and Ex Components with type of protection liquid immersion o intended for use in explosive gas atmospheres.


      Ex Equipment and Ex Components of type of protection liquid immersion o are either:


      • Level of Protection ob (EPL Mb or Gb)


      • Level of Protection oc (EPL Gc)


      For Level of Protection ob, this standard applies where the rated voltage does not exceed 11 kV r.m.s. a.c. or d.c.


      For Level of Protection oc, this standard applies where the rated voltage does not exceed 15 kV r.m.s. a.c. or d.c.


      NOTE Requirements for higher voltages are under consideration.


      This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence.


      --------------------------------------------------------------------------------------------------------------------------------


      Préface CSA


      Ce document constitue la deuxième édition de la CAN/CSA-C22.2 nº 60079-6, Atmosphères explosives —Partie 6 : Protection du matériel par immersion dans le liquide «o». Il s’agit de l’adoption, avec exigences propres au Canada, de la norme IEC (Commission Électrotechnique Internationale) 60079-6 (quatrième édition, 2015-02) qui porte le même titre. Il remplace l’édition antérieure publiée en 2011 qui portait la désignation CAN/CSA-C22.2 nº 60079-6, Atmosphères explosives — Partie 6 : Protection du matériel par immersion dans l’huile «o» (norme IEC 60079-6:2007 adoptée). Il fait partie d’une série de normes publiées par le Groupe CSA qui constituent le Code canadien de l’électricité, Deuxième partie.


      Par souci de brièveté, tout au long de ce document, il sera appelé «CAN/CSA-C22.2 nº 60079-6».


      Cette norme doit être utilisée avec la CAN/CSA-C22.2 nº 60079-0, Atmosphères explosives — Partie 0 : Matériel — Exigences générales.


      Voici les principaux changements apportés à cette édition :


      a) Les exigences relatives à l’immersion dans l’huile «o» traitent désormais de l’immersion dans un liquide, de niveaux de protection «ob» et «oc», selon les recommandations des réponses au document 31/715/DC.


      b) La capacité à protéger les contacts à décharge disruptive a été ajoutée aux niveaux de protection «ob» et «oc».


      c) Des exigences supplémentaires relatives au liquide de protection ont été introduites.


      Cette norme est jugée convenable à l’évaluation de la conformité selon le domaine d’application établi dans la norme.


      Cette norme a été révisée en vue de son adoption au Canada par le Comité CSA intégré sur les produits pour emplacements dangereux, sous l’autorité du Comité technique CSA sur les produits industriels et du Comité directeur stratégique CSA sur les exigences en matière de sécurité électricité, et a été officiellement approuvée par le Comité technique.


      Cette norme a été élaborée conformément aux exigences du Conseil canadien des normes relatives aux Normes nationales du Canada. Cette norme a été publiée en tant que Norme nationale du Canada par Groupe CSA.


      Domaine d'application


      La présente partie de l'IEC 60079 spécifie les exigences de conception, de construction, d'essais et de marquage d’un matériel Ex et de composants Ex, de mode de protection immersion dans le liquide o, destinés à être utilisés dans des atmosphères explosives gazeuses.


      Un matériel Ex et des composants Ex de mode de protection immersion dans le liquide o peuvent être du:


      • Niveau de Protection ob (EPL Mb ou Gb), ou


      • Niveau de Protection oc (EPL Gc)


      Pour le Niveau de Protection ob, la présente norme s’applique si la tension assignée est inférieure à 11 kV eff. c.a. ou c.c.


      Pour le Niveau de Protection oc, la présente norme s’applique si la tension assignée est inférieure à 15 kV eff. c.a. ou c.c.


      NOTE Des exigences pour des tensions plus élevées sont à l'étude.


      La présente norme complète et modifie les exigences générales de l'IEC 60079-0. Lorsqu'une exigence de la présente norme entre en contradiction avec une exigence de l'IEC 60079-0, l’exigence de la présente norme prévaut.

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      CAN/CSA-C22.2 NO. 60079-6:11 (R2016)

      CAN/CSA-C22.2 NO. 60079-6:11 (R2016) - Explosive atmospheres - Part 6: Equipment protection by oil immersion "o" (Adopted IEC 60079-6:2007, third edition, 2007-03, with Canadian deviations) | Atmosphères explosives - Partie 6 : Protection du matériel par immersion dans l'huile «o» (norme IEC 60079-6:2007 adoptée, troisième édition, 2007-03, avec exigencies propres au Canada)

      Withdrawn

      CAN/CSA-E60079-6-02 (R2011)

      CAN/CSA-E60079-6-02 (R2011) - Electrical Apparatus for Explosive Gas Atmospheres - Part 6: Oil-Immersion "o" (Adopted CEI/IEC 79-6:1995, second edition, 1995-05) | Matériel électrique pour atmosphères explosives gazeuses - Partie 6: Immersion dans l'huile «o» (norme CEI/IEC 79-6:1995 adoptée, deuxième édition, 1995-05)

      Withdrawn

      CAN/CSA-E79-6-95 (R1999)

      Electrical Apparatus for Explosive Gas Atmospheres - Part 6: Oil-Immersed Apparatus (Adopted IEC 79-6:1968, first edition) | Matériel électrique pour atmosphères explosives gazeuses - Partie 6: Matériel immergé dans l'huile (norme CEI 79-6:1968 adoptée, première édition)

      Withdrawn
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      CSA C22.2 NO. 60079-6:17/A1:22 (R2022)

      Amendment 1:2022 to CSA C22.2 NO. 60079-6:17, Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o" (Adopted amendment 1:2020 to IEC 60079-6:2015 | Modification 1:2022 à CSA C22.2 NO. 60079-6:17, Atmosphères explosives - Partie 6 : Protection du matériel par immersion dans le liquide «o» (amendement 1:2020 adoptée à la norme IEC 60079-6:2015)

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