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Operation in potentially explosive environments
The device complies with the directive 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). Exception: Versions with earthing must not be used in
potentionally explosive atmospheres.
Equipment category 3 G: - Ex labeling:
Equipment category 3 D:
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
environments.
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 when mounting.
2.5
It is not permissible to make any alteration to equipment that is used in potentially explosive en-
vironments. Repairs may only be carried out by authorized authorities provided by the manufac-
turer. 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 mounting and
operating instructions. The relevant laws, regulations and standards for the planned
application must be observed.
MB178T2 - 11081759
- Conforms to standard:
- Type of protection:
- Temperature class:
- Group of equipment:
- Ex labeling:
- Conforms to standard:
- Protective principle:
- Max. surface temperature:
- Group of equipment:
Baumer_HOG28-T2_II_DE-EN (19A1)
Operation in potentially explosive environments
II 3 G Ex nA IIC T4 Gc
EN 60079-0:2012 + A11:2013
EN 60079-15:2010
nA
T4
II
II 3 D Ex tc IIIB T135°C Dc
EN 60079-31:2014
Protection by enclosure
+135 °C
III
2
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