Registration number (WIID)Project No.TitleStatus
51628EN 50018:1977/A2:1982Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd'Atcelts
51644EN 50241-1:1999Specification for open path apparatus for the detection of combustible or toxic gases and vapours - Part 1: General requirements and test methodsAtcelts
51644LVS EN 50241-1:2002Specification for open path apparatus for the detection of combustible or toxic gases and vapours - Part 1: General requirements and test methodsAtcelts
51666prEN 50XXXPreliminary Enquiry about Zone 0 and intrinsic safetyIzstrādē
51711EN 60079-25:2010/AC:2013Explosive atmospheres - Part 25: Intrinsically safe electrical systemsIzstrādē
51711LVS EN 60079-25:2011 /AC:2014Explosive atmospheres - Part 25: Intrinsically safe electrical systemsAtcelts
51768EN 61241-0/AAElectrical apparatus for use in the presence of combustible dust - Part 0: General requirementsIzstrādē
51785EN 50019:1977/prAXElectrical apparatus for potentially explosive atmospheres - Increased safety 'e'Izstrādē
51823EN 60079-0:2012Explosive atmospheres - Part 0: Equipment - General requirementsAtcelts
51823LVS EN 60079-0:2012Explosive atmospheres - Part 0: Equipment - General requirements (IEC 60079-0:2011, modified)Atcelts
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