Operation in potentially explosive environments
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MB049 - 11114026
Baumer_HOG22_II_DE-EN (18A2)
4
2
Operation in potentially explosive environments
The device meets the design requirements of
equipment category 3 G
, Equipment Group II
(explosive gas atmosphere) and of
equipment category 3 D
, Equipment Group III (explosive
dust atmosphere). Conformity to
directive in accordance with the 2014/34/EU
.
CE labeling:
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
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
- Surface temperature:
max. +135 °C
The operation in other explosive atmospheres is not permissible.
Danger of personal injuries and damage due to inappropriate mounting and operating.
Contravention invalidates the EX approval.
An UL listing that may be stated elsewhere is not valid for use in explosive environments.
It is not permissible to make any alteration to equipment that is used in potentially explosive
environments.
Repairs may only be carried out by authorized authorities provided by the manufacturer.
•
Ensure that there is no explosive atmosphere, oils, acids, gases, vapors, radiation etc.
present when mounting.
•
Mounting and operating in accordance with the stipulations of the mounting and operating
instructions.
•
The relevant laws, regulations and standards for the planned application must be observed.
The norm EN 60079-14 must be observed during mounting and operation.
•
Check that the details on the type label of the device match the on-site conditions for the
permissible Ex area in use (equipment group, equipment category, zone, temperature
class, maximum surface temperature).
•
Check that the details on the type label of the device match the electrical supply network.
•
Check that the device is undamaged. Ensure the IP protection.
•
Check the dust deposit. Any possible dust deposit does not exceed a thickness of 5 mm.
•
Do not exceed or underrun the ambient temperature range from -20 °C to +40 °C.
