Stahl EC-940-PTZ-HF Serie Bedienungsanleitung Seite 44

A Appendix - Marking codes
A.1 ATEX marking
2 G Ex db ÐÐC T6 Gb T
ÏÐÐ
ÐÐ 2 D Ex tb ÐÐÐC T85°C Db T
Ï
IP66
Fig. 50
Ï ÐÐ
Group (surface
device, no mining)
Ï ÐÐ
Group (surface
device, no mining)
IP66
IP protection
degree
Tab. 8
-40°C to +60°C
a
-40°C to +60°C
a
2 G
Category (high protection Gas
degree, the device in this
category can be installed in
zone 1 and 2)
2 D
Category (high protection Dusts
degree, the device in this
category can be installed in
zone 21 and 22)
Ex db ÐÐC T6
Ex-proof housing Gas Gas temperature
for potentially group classification
explosive envi-
ronments
Ex tb ÐÐÐC T85°C
Dust ignition Dust Maximum surface
protection for zone group temperature for
types 21-22 dusts
EN - English - Instruction manual
Gb Tfi -40°C to +60°C
Protection level Installation temperature range
of the equipment
for gas
Db Tfi -40°C to +60°C
Protection level Installation temperature range
of the equipment
for dust