VIDEOTECH EXH, Operating Instructions Manual

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Page 14 MNVCEXH_0702
13 Appendix: Explosion-proof coding
ATEX Certification
Explosionproof housing for
potentially explosive areas
Gases
group
Temperature classification
for gases and dusts respectively
Enclosure weatherproof
IP standard
Atmosphere type
(gases and dusts)
Category (elevated protection degree, the devices of this category can be installed in zone 1
and 21 and in zone 2 and 22)
Group
(surface device, no mining)
IECEx Certification
Explosionproof housing for
potentially explosive areas
Gases
group
Device class
temperature
Dust ignition protection,
zones type 21-22
Enclosure weatherproof
IP standard
Max superficial
temperature