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3.3.1 Labeling
Ex marking according to 2014/34/EU
Ex marking
according to EN 60079-0
II
2G
2D
Ex db
Ex tb
IIB
IIC
IIIC
T6
T80°C
Gb
Db
X
CE marking
Marking for explosion protection
II
Group II equipment is intended for use in places with explosive gas
atmospheres, excluding mine gas and/or dust from hazardous mining
operations.
2G
Equipment group for gases and vapors in which an explosive
atmosphere may occasionally occur during normal operation.
2D
Equipment group for dusts in which an explosive atmosphere may occur during
normal operation or for a short time.
Ex db
Marking according to the equipment protection level for electrical equipment in
potentially explosive atmospheres
(flameproof enclosure)
Ex tb
Marking according to the equipment protection level for electrical equipment in potentially
explosive atmospheres
(protection through the enclosure)
IIB
Suitable for gas atmosphere IIB
IIC
Suitable for gas atmosphere IIC
IIIC
Suitable for flammable suspended solids, non-conductive and conductive dust
T6
T80°C
Maximum surface temperatures which are mainly dependent on the operating conditions
Gb
Equipment protection level for gases containing all potential ignition sources that are effective, which may occur during normal
operation, in expected malfunctions.
Db
Equipment protection level for dusts containing all potential ignition sources that are effective, which can occur during normal operation, in
expected malfunctions.
X
Special conditions of use must be observed
3.4 Special operating conditions for safe use in potentially explosive atmospheres
Maintenance work to be carried out, from chap. 9 by unauthorized personnel may result in damage and lead to loss of
approval.
To avoid possible spark generation due to static charge, the device should always be cleaned with a damp cloth.
The legibility of the nameplates must be checked at regular intervals. It must remain legible throughout the entire period
of use of the device. If a reliable reading is no longer given, please contact the manufacturer.
Impacts on the device must be avoided at all costs. Impacts or shocks can produce sparks.
It is the responsibility of the operator to evaluate attached process components or accessories together with the
delivered device by means of an ignition hazard analysis. The operator must recognize the ignition hazards and prevent
them by using appropriate protective measures.
The operator must comply with the points from chapter 2.3 "Responsibility of the operator".
