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    • CAN/CSA-C22.2 NO. 60079-7:12

    Codes & Standards - Purchase

    CAN/CSA-C22.2 NO. 60079-7:12

    Explosive atmospheres - Part 7: Equipment protection by increased safety "e" (Adopted IEC 60079-7:2006, fourth edition, 2006-07, with Canadian deviations)
    SKU: 2421496 Published by CSA Group Publication Year 2012 186 pages Withdrawn

    Product Details

    • Preface/Scope
    Preface

    This is the first edition of CAN/CSA-C22.2 No. 60079-7, Explosive atmospheres - Part 7: Equipment protection by increased safety e, which is an adoption, with Canadian deviations, of the identically titled IEC (International Electrotechnical Commission) Standard 60079-7 (fourth edition, 2006-07). It replaces the previous edition published in 2003 as CAN/CSA-E60079-7, Electrical apparatus for explosive gas atmospheres - Part 7: Increased safety e (adopted CEI/IEC 60079-7:2001). It is one in a series of Standards issued by CSA under Part II of the Canadian Electrical Code.

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

    Scope

    This part of IEC 60079 specifies the requirements for the design, construction, testing and marking of electrical apparatus with type of protection increased safety e intended for use in explosive gas atmospheres. This Standard applies to electrical apparatus where the rated voltage does not exceed 11 kV r.m.s. a.c. or d.c. Additional measures are applied to ensure that the apparatus does not produce arcs, sparks, or excessive temperatures in normal operation or under specified abnormal conditions.

    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.

    NOTE Increased safety e can provide Equipment Protection Levels (EPL) Mb or Gb. For further information, see Annex I.



    Préface 

    Ce document constitue la première Ă©dition de la CAN/CSA-C22.2 nº 60079-7, Atmosphères explosives - Partie 7 : Protection de l'Ă©quipement par sĂ©curitĂ© augmentĂ©e «e». Il s'agit de l'adoption, avec exigencies propres au Canada, de la norme CEI (Commission Électrotechnique Internationale) 60079-7 (quatrième Ă©dition, 2006-07). Cette norme remplace l'Ă©dition prĂ©cĂ©dente publiĂ©e en 2003 sous la designation CAN/CSA-E60079-7, MatĂ©riel Ă©lectrique pour atmosphères explosives gazeuses - Partie 7 : SĂ©curitĂ© augmentĂ©e «e» (norme CEI/IEC 60079-7:2001 adoptĂ©e). Elle fait partie d'une sĂ©rie de normes publiĂ©es par la CSA qui constituent le Code canadien de l'Ă©lectricitĂ©, Deuxième partie.

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

    Domaine d'application

    La prĂ©sente partie de la CEI 60079 dĂ©crit les exigences spĂ©cifiques de conception, de construction, d'essais et de marquage du matĂ©riel Ă©lectrique avec mode de protection de sĂ©curitĂ©augmentĂ©e «e» destinĂ© Ă  Ăªtre utilisĂ© dans les atmosphères explosives gazeuses. La prĂ©sente norme s'applique au matĂ©riel Ă©lectrique ayant une tension assignĂ©e ne dĂ©passant pas 11 kV en courant alternatif (valeur efficace) ou en courant continu. Des measures supplĂ©mentaires sont appliquĂ©es pour que le matĂ©riel ne produise ni arc, ni Ă©tincelle, ni tempĂ©rature excessive en fonctionnement normal ou dans des conditions anormales spĂ©cifiĂ©es.

    Cette norme complète et modifie les exigences générales de la CEI 60079-0. Lorsqu'une exigence la présente cette norme entre en conflit avec une exigence de la CEI 60079-0, l'exigence de la présente norme prévaut.

    NOTE La sécurité augmentée «e» peut fournir des niveaux de protection du matériel (EPL) Mb ou Gb. Pour plus d'informations, voir l'annexe I.
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