NEN EN IEC 61241-4:2007被替代
Electrical Apparatus For Use In The Presence Of Combustible Dust - Part 4: Type Of Protection "pd"
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN IEC 61241-4:2007
发布时间：2007/2/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：21
标准简介
Provides requirements on the design, construction, testing and marking of electrical apparatus for use in combustible dust atmospheres in which a protective gas (air or inert gas) maintained at a pressure above that of the external atmosphere, as used to prevent the entry of dust which might otherwise lead to the information of a combustible mixture within enclosures which do not contain a source of combustible dust.
标准备注
Supersedes NEN EN 50281-1-1. (02/2015)
替代本标准的新标准
