Eaton CROUSE-HINDS Ex-Cell Serie Betriebsanleitung Seite 13

Explosion protected empty enclosure made of stainless steel type Ex-Cell
6.2.1 Enclosures wit hinges
The enclosures should be orientated such the hinges are in vertical
alignment and for enclosures fitted with horizontal fixing lugs
(attached to the sides) the slotted lugs should be at the top, for
vertical lugs (fitted top and bottom) the slotted lugs should be at the
bottom.
6.3 Opening the enclosures
Cover with screws:
Care should be taken when opening fully bolted covers, as they are
not secured against falling.
The screws can be undone with a suitable tool.
Do not over extend hinges when opening enclosure covers.
6.4 Gland & drilling
Cable entry holes in the gland plate, side panels or back panel shall be
fitted with suitable cable glands having an equipment certificate.
The operating temperature range and ingress protection rating of the
enclosure is limited to that of the cable gland fitted.
The plain hole shall be no larger than 0.7mm above the major diameter of
the cable gland thread.
Cable gland entries are not permitted in the enclosure lid.
Unused entry holes shall be fitted with suitable stopping plugs having an
equipment certificate, or having a component certificate subject to the
confirmation by the end user/installer of the ingress protection rating and
the permitted service temperature of the component.
The operating temperature range and ingress protection rating of the
enclosure is limited to that of the stopping plug fitted.
6.4.1 Gland & drilling areas in enclosure
For gland and drilling areas in enclosure observe the notices at
chapter 10.3.
6.4.2 Gland & drilling areas in gland plates
For gland and drilling areas in gland plates observe the notices at
chapter 10.2.
6.4.3 Breather/drain devices
Only equipment certified breather/drain devices may be used with these
enclosures and they shall be suitable for the wall thickness of the
enclosure to ensure draining can occur, subject to the confirmation by the
end user/installer of the ingress protection rating and the permitted service
temperature.
The breather/drain devices must be installed in their correct orientation in
the bottom face.
The operating temperature range and Ingress Protection rating of the
enclosure is limited to that of the breather/drain device fitted.
6.4.4 Adaptor/reducer devices
Only adaptor/reducer devices having an equipment certificate may be used
with these enclosures subject to the confirmation by the end user/installer
of the ingress protection rating and the permitted service temperature.
The operating temperature range and Ingress Protection rating of the
enclosure is limited to that of the adaptor/reducer device fitted.
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6.5
Gland plates for empty enclosure shall be fitted so that the IP protection is
maintained.
When the gland plates or enclosure panels are painted, the required entry
holes provided by Cooper Crouse Hinds shall not have paint on the entry
hole seal faces. If cable entry holes are added by the end user in the gland
plates/enclosure panels, they shall ensure that any paint is removed from
the entry hole seal faces.
terminal provided.
be included in the equipotential bonding connections.
The details of the internal/external earth stud assemblies can be found in
Fig. 6.1.
Details of the maximum permitted glanding areas, maximum entry
quantities and minimum entry centres can be found in section 10. This
information is based on Capri glands, other manufacturers may differ. It is
recommended that additional clearance be considered to aid installation
and maintenance.
6.6
before closing the cover and taking the enclosure into service.
Cover with screws:
The screws can be tightened with a suitable tool.
correctly aligned to ensure the correct sealing around the gasket.
The lid should preferably be locked with the enclosure in the correct
orientation, after ensuring correct alignment. If this is not possible
then it may locked with the enclosure resting on its rear face only
after the alignment of the door and body have been confirmed
For larger enclosures, sizes from 1000mm x 800mm and larger, to
ensure correct operation of the door riser the enclosure should be
locked starting with the bottom lock nearest the hinge and then each
lock in turn round to the top lock nearest the hinge last.
In order to ensure the required minimum protection category, the cover
screws are to be tightened to the correct torque (see technical datas).
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Gland plates
PE conductors fed from outside are to be connected to the PE
Gland plates, metal mounting plates and metal cable glands shall
Closing the enclosure / cover closure
Any foreign matter including packaging should be removed
When closing the lid it is necessary to ensure the lid and body are
Overtightening might impair the protection category.
GB
13