12 appendix a - marking codes, 1 atex mark, 2 iecex mark – Videotec EXPT User Manual
Page 19: 1 atex mark 12.2 iecex mark, 2g ex d ee c t6 gb
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12 Appendix A - Marking codes
12.1 ATEX Mark
ee
2G Ex d eeC T6 Gb
ee
2D Ex t eeeC T85°C Db IP66
Fig. 10
Group (surface
device, no
mining)
Category (high
protection
degree, the
device in this
category can be
installed in zones
1 and 2)
Gas
Explosion-proof
housing for potentially
explosive environments
Gas group
Gas temperature
classification
Protection level of the
equipment for gas
Group (surface
device, no
mining)
Category (high
protection
degree, the
device in this
category can be
installed in zones
21 and 22)
Dust
Dust ignition protection
for zone types 21-22
Dust group
Maximum surface
temperature for dusts
Protection level of the
equipment for dust
IP protection degree
Tab. 01
12.2 IECEx Mark
Ex d eeC T6 Gb
Ex t eeeC T85°C Db IP66
Fig. 11
Explosion-proof
housing for
potentially explosive
environments
Gas group
Gas temperature
classification
Protection level of the
equipment for gas
Dust ignition
protection for zone
types 21-22
Dust group
Maximum surface
temperature for dusts
Protection level of the
equipment for dust
IP protection degree
Tab. 02