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Destination
Categories/presence of
potentially explosive
atmosphere
Hazardous zones
Atmosphere
Group I
Mines
M1 and M2
Gas and dust (G & D)
Group II
Surface
industries
1
Permanent or frequent
Zone 0:
gas and vapour
G
Zone 20:
mist and dust
D
2
Occasional
Zone 1:
gas and vapour
G
Zone 21:
mist and dust
D
3
Rare
Zone 2:
gas and vapour
G
Zone 22:
mist and dust
D
Steel
Stainless steel
Polyester
● Category 2 products can be used as category 3.
● Our products are qualified for increased safety “e” (Ex e) but not for explosion-
proof safety “d” (Ex d).
● The wall-mounting enclosures have the following marks:
II 2 GD Ex e II Ex tD A21 IP 66 according to directive 94/9/CE and
standards EN 60079-0 (2004), EN 60079-7 (2006), EN 61241-0 (2005)
and EN 61241-1 (2004).
● The wall-mounting enclosures offer a degree of protection IP 66 according to
EN 60529, exceeding the recommendations of the ATEX directive.
● Certification of our production sites and inspection procedures guarantees
observance and consistency of the quality level.
Zone of application
of Schneider ATEX
wall-mounting enclosures
Electric ATEX enclosures
Three types of enclosures
● All the wall-mounting enclosures presented in this brochure comply with standards
for protection against the increased risk of explosion in atmospheres charged with
gas (G) and/or dust (D).
● The Schneider offer, designed to be used in group II, is classified as category 2.
Wall-mounting
enclosures
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