Instruction Manual
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86
A.2 IECEx Mark
Fig. 140
Ex d ÐÐC T6 Tfi -40°C to +60°C Gb
Explosion-proof housing for po-
tentially explosive environments
Gas group Gas temperature classication Installation temperature range Protection level of the equipment
for gas
Ex tb ÐÐÐC T85°C Tfi -40°C to +60°C Db
Dust ignition protection for zone
types 21-22
Dust group Maximum surface temperature
for dusts
Installation temperature range Protection level of the equipment
for dust
IP66
IP protection degree
Tab. 20