Rockwell Automation 1794-OE8H FLEX I/O HART Analog Modules User Manual - Manual (Page 5)

European Hazardous Location Approval
European Zone 2 Certification
(The following applies when the product bears the EEx Marking.)
This equipment is intended for use in potentially explosive atmospheres as defined
by European Union Directive 94/9/EC and has been found to comply with the
Essential Health and Safety Requirements relating to the design and construction
of Category 3 equipment intended for use in potentially explosive atmospheres,
given in Annex II to this Directive.
Compliance with the Essential Health and Safety Requirements has been assured
by compliance with EN 60079-15.
IMPORTANT
Observe the following additional Zone 2 certification
requirements.
• This equipment is not resistant to sunlight or other sources
of UV radiation.
• The secondary of a current transformer shall not be
open-circuited when applied in Class I, Zone 2 environments.
• Equipment of lesser Enclosure Type Rating must be installed
in an enclosure providing at least IP54 protection when
applied in Class I, Zone 2 environments.
• This equipment shall be used within its specified ratings
defined by Allen-Bradley.
• Provision shall be made to prevent the rated voltage from
being exceeded by transient disturbances of more than 40%
when applied in Class I, Zone 2 environments