6 FLEX I/O Digital DC Output Modules
Publication 1794-IN094D-EN-P - July 2018
European Hazardous Location Approval
Approved for 1794-OB8, 1794-OB8EP, 1794-OB16 and 1794-OB16P modules..
The following applies to products marked II 3 G:
Are Equipment Group II, Equipment Category 3, and comply with the Essential Health and
Safety Requirements relating to the design and construction of such equipment given in
Annex II to EU Directive 2014/34/EU. See the EU Declaration of Conformity at
http://www.rockwellautomation.com/global/certification/overview.page
for details.
The type of protection is II 3G Ex nA IIC T3 Gc according to EN 60079-15.
Comply to Standards EN 60079-0:2012, EN 60079-15:2010, reference certificate number
LCIE 01 ATEX 6020 X.
Are intended for use in areas in which explosive atmospheres caused by gases, vapors,
mists, or air are unlikely to occur, or are likely to occur only infrequently and for short
periods. Such locations correspond to Zone 2 classification according to ATEX directive
2014/34/EU.
WARNING: Observe the following additional certification requirements:
• This equipment is not resistant to sunlight or other sources of
UV radiation.
• This equipment shall be mounted in an ATEX/IECEx Zone 2 certified
enclosure with a minimum ingress protection rating of at least IP54 (in
accordance with EN/IEC 60079-15) and used in an environment of not
more than Pollution Degree 2 (as defined in EN/IEC 60664-1) when
applied in Zone 2 environments. The enclosure must be accessible only by
the use of a tool.
• This equipment shall be used within its specified ratings defined by
Rockwell Automation.
• The instructions in the user manual shall be observed.
• This equipment must be used only with ATEX certified Rockwell
Automation backplanes.
• Earthing is accomplished through mounting of modules on rail.
• Devices shall be used in an environment of not more than Pollution
Degree 2.
• Enclosure must be marked with the following: “Warning - Do not open
when energized.” After installation of equipment into the enclosure,
access to termination compartments shall be dimensioned so that
conductors can be readily connected.
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