MB178aT1 - 11067736
Baumer_HOG28-A-T1_II_DE-EN (17A1)
4
Operation in potentially explosive environments
2
2
Operation in potentially explosive environments
The device complies with the
EU standard
2014/34/EU for potentionally explosive atmospheres.
It can be used in accordance with
equipment categories 3 G
(explosive gas atmosphere) and
3 D
(explosive dust atmosphere)
.
Equipment category 3 G:
- Ex labeling:
II 3 G Ex nA IIC T4 Gc
- Conforms to standard:
EN 60079-0:2012 + A11:2013
EN
60079-15:2010
- Type of protection:
nA
- Temperature class:
T4
- Group of equipment:
II
Equipment category 3 D:
- Ex labeling:
II 3 D Ex tc IIIB T135°C Dc
- Conforms to standard:
EN 60079-31:2014
- Protective principle:
Protection by enclosure
- Max. surface temperature: +135 °C
- Group of equipment:
III
The operation in other explosive atmospheres is
not
permissible.
2.1
In Ex areas the device must only be used within the
ambient temperature
range from -20 °C to
+40 °C.
2.2
The plant operator must ensure that any possible
dust deposit
does not exceed a thickness of
5 mm (in accordance with EN 60079-14).
2.3
An
UL listing
that may be stated elsewhere
is not valid for use in explosive environ-
ments
.
2.4
Operation of the device is only permissible when ...
–
the details on the type label of the device match the on-site conditions for the permissible
Ex area in use (group of equipment, equipment category, zone, temperature class or maxi-
mum surface temperature),
–
the details on the type label of the device match the electrical supply network,
–
the device is undamaged (no damage resulting from transport or storage), and
–
it has been checked that there is no explosive atmosphere, oils, acids, gases, vapors,
radiation etc. present during installation.
2.5
It is not permissible to make any alteration to equipment that is used in potentially explosive envi-
ronments. Repairs may only be carried out by authorized authorities provided by the manufacturer.
Contravention invalidates the EX approval.
2.6
Attend the norm EN 60079-14 during mount and operation.
The device must be operated in accordance with the stipulations of the installation and
operating instructions. The relevant laws, regulations and standards for the planned ap-
plication must be observed.
