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COMPACT-EX[GD]
2.3 TYPE OF PROTECTIONS
• Ex db eb IIC T6,T5 Gb
• Ex db eb mb IIC T6,T5 Gb
• Ex eb mb IIC T6,T5 Gb
• Ex tb IIIC T80°C, T95°C Db
Additional types of protection to increased safety or dust tight depend on marking of Ex components installed into
the control station. Temperature class and maximum surface temperature is marked on the label.
2.4 EXAMPLE MARKING LABEL
Figure 3 - Details of self-adhesive label
NOTE: the type of protection indicated in the label depends on the components installed, according the
paragraph 2.3.
ATEX Directive
0051
=
Notified Body identification number for quality production survey (IMQ)
II
=
group II, surface plants different from mines
2 GD
=
category 2 GD, equipment suitable for zone 1 (gas) and zone 21 (dust)
Type of protection (ATEX/IECEx)
Ex db eb IIC
=
type of protections for gas group IIC ( suitable also for groups IIB and IIA )
T6, T5
=
temperature class for gas
Gb
=
EPL (Gas)
Ex tb IIIC
=
type of protection for dust group IIIC, ( suitable also for groups IIIB and IIIA )
T80°C
=
maximum surface temperature for dust
Db
=
EPL (Dust)
IP66
=
Degree of protection (IP)
Relation between hazardous areas, categories and EPL
Gas, vapour or fog
Gas, vapour or fog
Gas, vapour or fog
Dust
Dust
Dust
Hazardous area
ATEX categories
Zone 0
Zone 1
2G or 1G
Zone 2
3G, 2G or 1G
Zone 20
Zone 21
2D or 1D
Zone 22
3D, 2D or 1D
-16-
1G
Gb or Ga
Gc, Gb or Ga
1D
Db or Da
Dc, Db or Da
EPL
Ga
Da
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