Brochure/Catalogue

Area classication
Dust groups
IIIA Combustible yings
IIIB Non-conductive dust
IIIC Conductive dust
Gas groups
IIA e.g. Propane
IIB e.g. Etyhlene
IIC e.g. Hydrogen
ZONE 1
ZONE 2
ZONE 0
ZONE 1
ZONE 0
PETROLEUM
ZONE 21
ZONE 22
ZONE 20
Equipment group
acc. to directive
2014/34/EU
Equipment category
acc. to directive 2014/34/EU
Classication of hazardousareas
acc. to directive 1999/92/EG
Group
acc. to
IEC/EN60079-0
Combustible
materials
Equipment
protection level
(EPL acc. to
IEC/EN 60079-0)
I
Mining
M1
very high level of protection;
remain functional at occurrence of Ex-atmosphere
I
Methane,
Carbon dust
Ma
I M2
high level of protection;
de-energized at occurrence of Ex-atmosphere
I Mb
II
Other industries
(except mining)
1
very high level of protection;
save even in an event of rare incidents
0 II
Gases,
Vapours,
Mists
(G)
Ga
II 2
high level of protection;
save even in an event of predictable failures
1 II Gb
II 3
normal level of protection;
save during normal operation
2 II Gc
II
Other industries
(except mining)
1
very high level of protection;
save even in an event of rare incidents
20 III
Dust
(D)
Da
II 2
high level of protection;
save even in an event of predictable failures
21 III Db
II 3
normal level of protection;
save during normal operation
22 III Dc
T Hazardous areas guide
W
W.7
Technical appendix
2712630000