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Remarks for safe use in hazardous areas
Functions and features
• Use in hazardous areas according to the classification
II 3D
(group II, category 3D, apparatus for dust atmosphere).
The requirements of the standards EN 60079-0 and EN 60079-31 are met.
• Use in hazardous areas according to the classification
II 3G
(group II, category 3G, apparatus for gas atmosphere).
The requirements of the EN 60079-15 standard are met.
• Marking (see unit or technical data sheet):
II 3D Ex tc IIIC T80°C Dc IP67 X
II 3G Ex nA IIC T6 Gc X
• Permissible ambient temperature of the application (proper usage) (see unit or technical
data sheet):
-20°C 60°C≤ Ta ≤
Installation / Set-up
The units must only be installed, connected and set up by qualified staff. The qualified staff
must have knowledge of protection classes, regulations and provisions for apparatus in
hazardous areas.
Check whether the classification (see "Marking" above and marking on the unit) is suitable
for the application.
Installation remarks / Installation
• Adhere to the respective national regulations and provisions as well as the relevant
installation regulations.
• Avoid electrostatic charging on plastic units and cables.
• To avoid electrostatic charging clean the unit with a damp cloth only.
• To avoid electrostatic charging steps must be taken to ensure the equalisation of potential
of metal parts (plug housing, fixing elements, protective housing, etc.).
• Do not mount the unit in the dust flow.
• Avoid dust deposits on the units.
• Protect the units and the cables efficiently against damage.
• For the connections and the electrical characteristics please see the unit marking or the
technical data sheet.
• To avoid soiling, do not remove the connector cover until attaching the socket.
• Protect the unit (plastic parts) from UV light.
Special conditions for safe operation
• The unit (1) must only be installed in conjunction with the supplied protective housing (2).
• Use the supplied mounting plate (4) to ensure a secure fit of the mounting screws (5).