Registration number (WIID)Project No.TitleStatus
53511EN 50020:1977/A5:1990Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'Atcelts
51873EN 60079-1:2007Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"Atcelts
43013EN 61241-2-2:1995Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 2: Method for determining the electrical resistivity of dust in layersAtcelts
48681EN 50018:1977/A1:1979Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd'Atcelts
48349EN 50056:1991/A1:1995Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group I apparatus indicating up to 100 % (v/v) methane in airAtcelts
53861EN 50020:1977/A1:1979Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'Atcelts
51436EN 50053-1:1987Requirements for the selection, installation and use of electrostatic spraying equipment for flammable materials - Part 1: Hand-held electrostatic paint spray guns with an energy limit of 0,24 mJ and their associated apparatusAtcelts
53726EN 50019:1977/A4:1989Electrical apparatus for potentially explosive atmospheres - Increased safety 'e'Atcelts
52558EN 50019:1994/corrigendum Apr. 1994Electrical apparatus for potentially explosive atmospheres - Increased safety 'e'Atcelts
47688EN 50020:1977/prISXElectrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'Atcelts
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