FlexLogix Controller System
25
Publication 1794-IN002F-EN-P - October 2002
Operating in Hazardous Locations
The 1794-L33 and 1794-L34 FlexLogix controllers are certified as Zone 2 Hazardous
Locations equipment. If you install the controllers in a Zone 2 location, consider:
If you install the controllers in a European Zone 2 location, consider:
IMPORTANT
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.
IMPORTANT
European Zone 2 Certification
This equipment is intended for use in potentially explosive
atmospheres as defined by European Union Directive 94/9/EC.
The LCIE (Laboratoire Central des Industries Electriques) certifies
that this equipment 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. The examination and test results are recorded in
confidential report No. 28 682 010.
Compliance with the Essential Health and Safety Requirements
has been assured by compliance with EN 50021 (1999).
Allen-Bradley Replacements
