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6.2
Opening of device/
Electrical connection
The electrical connection of the device may
only be carried out by skilled staff.
The insulation of the conductors shall
reach up to the terminal. The conductor
itself shall not be damaged.
The correctly stripped conductors of the
cables shall be connected according to the
respective regulations.
The connectible min. and max. conductor
cross-sections as well as the required
minimum cross-section for the current
loading shall be observed (see technical
data).
When using 10mm² cables for connection it is
reccomended to cut back the outer sheath for
approx. 200mm and remore the required
length of insulation on each core before
entering cable into the 32A socket outlet.
All screws and/or nuts of the connection
terminals, incl. the unused ones, shall be
tightened down.
The conductors shall be connected with
special care in order to maintain the
explosion category.
The supply terminals are designed for the
connection of copper conductors. If multi- or
fine-wire connecting cables are used, the wire
ends will have to be handled in acc. with the
applicable national and international
regulations (e.g. use of sleeves for strands).
Attention: The cable lugs should be
crimped onto the cable in a workmanlike
manner.
It is to be ensured that the required "Ex-e"
min. air gaps are kept.
6.3
Cable entries (KLE);
blanking plugs
Generally, only certified cable entries and
blanking plugs may be used.
Trumpet-shaped cable glands or other
suitable entries with additional pull-relief
shall be used for flexible cables.
When using cable entries with a lower IP
protection than that which applies to the
device (see page 6+7, technical data), the IP
protection of the whole device is reduced.
The mounting directives applicable to the
cable entries used shall be observed.
Unused holes shall be sealed with a certified
blanking plug in order to establish the
minimum protection category.
8 8 8 8 8
Cooper Crouse-Hinds GmbH
Maintenance sockets, 16A, 32A, 63A, 125A
In case of sealing inserts that are cut out, it is
necessary to ensure that the insert is properly
adapted to the cable diameter.
When fitting the cable entries, taken that the
sealing inserts are case shall be appropriate
for the cable diameter.
In order to ensure the required minimum
protection category, the cable glands shall be
tightened down.
Overtightening might impair the protection
category.
All vacant metric CCH / CEAG cable entries
shall be closed with the certified blanking
plug for metric cable entries.
Attention: Metal flanges, metal plates and
metal cable glands shall be included in the
equipotential earth connection.
6.4
Closing of device
Any foreign matter shall be removed from
the device.
In order to ensure the required minimum
protection category, the cover screws shall be
tightened down.
Overtightening might impair the protection
category.
6.5
Taking into operation
Prior to taking the apparatus into operation,
the tests specified in the relevant national
regulations shall be carried out. In addition to
this, the correct functioning and installation of
the apparatus in accordance with these
operating instructions and other applicable
regulations will have to be checked.
Check the plug for any damage before
inserting it into the socket.
The user must ensure that a uniform
equipotential earth applies throughout when
the plug and socket system is being operated.
The incorrect installation and operation of
the plugs and sockets can entail the loss of
warranty.
7
Maintenance/Servicing
The relevant national regulations which
apply to the maintenance/servicing of
electrical apparatus in explosive
atmospheres, shall be observed.
(EN 60079-17).
Before opening the enclosure, make sure
that the device is disconnected from the
voltage, or take appropriate protective
measures.
The required maintenance intervals depend on
the specific application and will have to be,
therefore, determined by the user dependent
on the conditions of use.
When servicing the plugs and sockets,
particularly those parts that are decisive for
the type of protection against explosion, will
have to be checked (e. g. intactness of
flameproof -encapsulated components and
housing, firm fit of the cable entries and
efficacy of gaskets).
If, during servicing, the needd to carry out
repair work is determined, section 8 of these
operating instructions will have to be
observed.
8
Maintenance and repair work/
modifications
Only original CCH / CEAG parts may-be
used for maintenance and repair work.
If the flameproof encapsulation is
damaged, the respective apparatus will
have to be returned to CCH / CEAG for
repair.
Repairs that affect the explosion
protection, may only be carried out by
CCH / CEAG or a qualified electrician in
compliance with the applicable national
regulations (EN 60079-18).
Modifications to the device or changes of
its design are not permitted.
9
Disposal/Recycling
When the apparatus is disposed of, the
respective national regulations on waste
disposal will have to be observed.
In order to facilitate the recycling of individual
components, plastic parts are provided with
the identification mark of the plastic material
used.
We reserve the right to modify or expand the
product range.
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