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Fig. 1
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9
Fig. 2
8
3
2
4
Explosion-protected plugs and sockets 125A, GHG 519
6.1
Mounting
The wall sockets can be mounted without
opening the enclosure.
When wall sockets are mounted directly onto
the wall, they shall rest evenly only at the
respective fastening points. The chosen screw
shall match the fastening hole (see dimensio-
nal drawing) and it must not damage the hole
(e. g. use of a washer). The device shall be
fastened diagonally with at least 2 screws.
The wall-mounting shall be mounted in
such a way that the plug opening does not
face upwards (Fig. 2).
6.2
Opening the device/
Electrical connection
The electrical connection of the device may
only be carried out by skilled staff.
Before opening the apparatus, ensure that
it has been isolated from the voltage
supply, or take appropriate protective
7
measures.
Taking into account the respective regulations,
the properly bared conductors of the cables
shall be connected.
9
The correctly stripped wires of the cable
shall be connected according to the
relevant regulations.
Figs. 3 + 4, page 10
Undo the fixing screws, Item 5, to remove the
plug insert, Item 3, from the plug sleeve, Item
11. The plug insert can then be connected to
the plug pin connections (see Fig. 5, page 10).
Warning:
If any fixing screws, Item 5, are lost, they
6
shall be replaced by screws of the same
type or ordered directly from the
manufacturer.
Type: Size 5 = KTG 50x50/25
5
After connecting the cable, proceed in the
reverse order to reassemble plug.
7
The connectible min. and max. conductor
cross-sections as well as the required
minimum cross section for the current load
shall be observed (see technical data).
All screws and/or nuts of the supply
terminals, including the unused ones, shall
be tightened down.
9
The conductors shall be connected with
special care in order to maintain the type of
protection.
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 rules
(e. g. use of sleeves for strands).
Warning: The cable lugs shallbe crimped
onto the cable in a workmanlike manner.
It is to be ensured that the required min. air
gaps are kept (at 690V >12mm).
6.3
Cable entries (KLE);
blanking plugs
6.3.1
Socket
Generally, only certified cable entries and
blanking plugs are permitted for use.
Flexible cables shall be used with trumpet-
shaped cable glands or other suitable
entries with additional pull-relief.
When using cable entries with a lower IP
protection than that which applies to the
device (see page 7, technical data), the IP
protection of the whole device will be
reduced. The mounting directives applicable
to the cable entries used shall be observed.
Unused holes shall be closed with a certified
blanking plug in order to establish the
minimum protection category. In case of
sealing inserts that are cut to size, it shall be
ensured that the insert is properly adapted to
the cable diameter.
Care has to be taken that, when fitting the
cable entries, sealing inserts appropriate to
the cable diameter are used.
In order to ensure the required minimum
protection category, the cable glands are to be
tightened down.
Overtightening might impair the protection
category.
All unused metric 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.
Cooper Crouse-Hinds GmbH
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