※ Electrical Equipment For Gas Environmental
（1）EN 60079-0 Explosive atmospheres Part 0: Equipment —— General requirements
（2）EN 60079-1 Explosive atmospheres Part 1: Equipment protection by flameproof enclosures“d”
（3）EN 60079-2 Explosive atmospheres Part 2: Equipment protection by pressurized enclosure“p”
（4）EN 60079-5 Explosive atmospheres Part 5: Equipment protection by powder filling“q”
（5）EN 60079-6 Explosive atmospheres Part6: Equipment protection by oil immersion“o”
（6）EN 60079-7 Explosive atmospheres Part 7: Equipment protection by increased safety“e”
（7）EN 60079-11 Explosive atmospheres Part 11: Equipment protection by intrinsic safety“i”
（8）EN 60079-15 Explosive atmospheres Part 15: Equipment protection by type of protection“n”
（9）EN 60079-18 Explosive atmospheres Part 18: Equipment protection by encapsulation “m”
※ Electrical Equipment For Duat Environmental
（1）EN 61241-0 Electrical apparatus for use in the presence of combustible dust Part 0: General requirements
（2）EN 61241-1 Electrical apparatus for use in the presence of combustible dust Part 1: Protection by enclosures "tD"
（3）EN 61241-4 Electrical apparatus for use in the presence of combustible dust Part 4: Type of protection "pD"
（4）EN 61241-11 Electrical apparatus for use in the presence of combustible dust Part 11: Protection by intrinsic safety "iD"
※ Non-electrical Equipment
（1）EN 13463-1 Non-electrical equipment for use in potentially explosive atmospheres - Part 1: Basic method and requirements
（2）EN 13463-2 Non-Electrical Equipment for Potentially Explosive Atmospheres - Part 2: Protection by flow restricting enclosure ′fr′
（3）EN 13463-3 Non-electrical equipment for use in potentially explosive atmospheres - Part 3: Protection by flameproof enclosure ′d′
（4）EN 13463-4 Non-electrical equipment for use in potentially explosive atmospheres — Protection by inherent safety ‘g’
（5）EN 13463-5 Non-electrical equipment intended for use in potentially explosive atmospheres Part 5: Protection by constructional safety c
（6）EN 13463-6 Non-electrical equipment for potentially explosive atmospheres-part 6 protection by pressurization
（7）EN 13463-7 Non-electrical equipment for potentially explosive atmospheres-part 7 protection by pressurization
（8）EN 13463-8 Non-electrical equipment for potentially explosive atmospheres Part 8: Protection by liquid immersion ′k′
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