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Table 17: Electrical Apparatus for Use in the Presence of Combustible Dust IEC (new)IEC (old)EN (new)EN (old)General requirementsIEC 61241-0IEC 61241-1-1EN 61241-0EN 50281-1-1Protected by enclosures “tD”IEC 61241-1IEC 61241-1-1EN 61241-1EN 50281-1-1 Pressurized enclosures “pD”IEC 61241-4EN 61241-4 Classification of potentially explosive dust atmospheresIEC 61241-10EN 61241-10 Intrinsic Safety “iD”IEC 61241-11EN 61241-5EN 61241-11 Selection and installation IEC 61241-14EN 61241-14 Inspection and maintenance of electrical installations IEC 61241-17EN 61241-17in hazardous areas (other than mines)Encapsulation “mD”IEC 61241-18EN 61241-18 Test methods: minimum ignition temperatureIEC 61241-2-1EN 50281-2-1 Test methods: resistivity of dust in layersIEC 61241-2-2EN 61241-2-2 Test methods: minimum ignition energyIEC 61241-2-3 Comments on the tables 16 and 17: IEC/EN 6124 and IEC/EN 60079 standards will be summerized in the series IEC/EN 60079 standards e.g. IEC 61241-1 will be classified as IEC 60079-31. – some of the standards are in preparation! R.STAHL explosion protection