Appendix: Explosion-Proof Coding - Videotec EXPT Serie Bedienungsanweisung

13 Appendix: Explosion-proof coding

ATEX Certification
Group
(surface device, no mining)
Category (elevated protection degree, the devices of this category can be installed in zone 1
and 21 and in zone 2 and 22)
IECEx Certification
Explosionproof housing for
potentially explosive areas
Atmosphere type
(gases and dusts)
Explosionproof housing for
potentially explosive areas
Gases
group
Device class
temperature
Page 17
Gases
group
Temperature classification
for gases and dusts respectively
Dust ignition protection,
zones type 21-22
Enclosure weatherproof
IP standard
Enclosure weatherproof
IP standard
Max superficial
temperature
MNVCEXPT_0702