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IEC 60079-6-ed.4.0
Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
Automatically translated name:
Explosive atmospheres - Part 6: Equipment protection by liquid immersion ""o""
STANDARD published on 20.2.2015
The information about the standard:
Designation standards: IEC 60079-6-ed.4.0
Publication date standards: 20.2.2015
SKU: NS-580875
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60079-6-ed.4.0 :
IEC 60079-6:2015 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") or - 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. 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. This fourth edition cancels and replaces the third edition, published in 2007. This edition constitutes a technical revision. The significant changes with respect to the previous edition are: - Edition 4 represents a major technical revision of the requirements for oil immersion "o" and should be considered as introducing all new requirements. The normal "Table of Significant Changes" has not been included for this reason. In particular: - 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; - The ability to protect sparking contacts has been added to both "ob" and "oc". Additional requirements have been introduced for the protective liquid. Keywords: Ex Equipment and Ex Components with type of protection liquid immersion "o" LIEC 60079-6:2015 specifie les exigences de conception, de construction, dessais et de marquage dun materiel Ex et de composants Ex, de mode de protection immersion dans le liquide "o", destines a etre utilises dans des atmospheres explosives gazeuses. Un materiel Ex et des composants Ex de mode de protection immersion dans le liquide "o" peuvent etre du: Niveau de Protection "ob" (EPL "Mb" ou "Gb"), ou Niveau de Protection "oc" (EPL "Gc"). Pour le Niveau de Protection "ob", la presente norme sapplique si la tension assignee est inferieure a 11 kV eff. c.a. ou c.c. Pour le Niveau de Protection "oc", la presente norme sapplique si la tension assignee est inferieure a 15 kV eff. c.a. ou c.c. La presente norme complete et modifie les exigences generales de lIEC 60079-0. Lorsquune exigence de la presente norme entre en contradiction avec une exigence de lIEC 60079-0, lexigence de la presente norme prevaut. Cette quatrieme edition annule et remplace la troisieme edition parue en 2007. Cette edition constitue une revision technique. Les modifications majeures par rapport a ledition precedente sont enumerees ci-dessous: - Cette quatrieme edition introduit une revision technique majeure des exigences relatives a limmersion dans lhuile "o", et il convient quelle soit consideree comme specifiant de nouvelles exigences. Le "Tableau des modifications majeures" habituel na pas ete inclus pour cette raison. En particulier: - Les exigences relatives a limmersion dans lhuile "o" traitent desormais de limmersion dans un liquide, de niveaux de protection "ob" et "oc", selon les recommandations des reponses au document 31/715/DC; - La capacite a proteger les contacts a decharge disruptive a ete ajoutee aux niveaux de protection "ob" et "oc". Des exigences supplementaires relatives au liquide de protection ont ete introduites. Mots cles: materiel Ex et de composants Ex, de mode de protection immersion dans le liquide "o"
These changes apply to this standard:
IEC 60079-6-ed.4.0/Amd.1
Change
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Amendment 1 - Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
(Amendement 1 - Atmospheres explosives - Partie 6: Protection du materiel par immersion dans le liquide "o")
Change published on 24.2.2020
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