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Fig. 1
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9
Fig. 2
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3
2
4
Explosion protected plug and socket system 63A, GHG 518
The plug can be pushed into the socket
and pulled out of it only whilst the socket is
switched off.
The data as per point 3 and 4 will have to
be taken into account with the use.
Applications other than described are not
permitted without CEAG's prior written
consent.
For the operation, the instructions stated in
section 7 of the operating instructions will
have to be observed.
From time to time, the locking function
protecting against inappropriate use e. g.
of industrial plugs in zone 2, has to be
checked.
In the open air, the plugs must be kept with
the plug opening (pin side) pointing
downwards or be closed with protective
plug caps available as an optional extra
(see general catalogue).
The user alone is responsible for the
appropriate use of this plug and socket
system in consideration of the basic
conditions existing at the plant (see
technical data).
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After a short in the circuit, the functioning
of the plug and socket system and of the
plugs has to be checked.
Since the switch contacts can no more be
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checked because of the flameproof
enclosure, the complete switch insert
(flange socket) will have to be replaced
after repeated short circuits.
6
Installation
For the mounting and operation, the
respective national regulations as well as the
general rules of engineering will have to be
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observed.
5
6.1
Mounting
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The wall sockets can be mounted without
opening their enclosure.
In case the wall sockets are mounted directly
onto the wall, they may rest evenly only at the
respective fastening points. The chosen screw
shall match the fastening hole (see dimensio-
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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 sockets shall be mounted so that the
plug hole does not points upwards (fig. 2).
6.2
Opening the 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.
Taking into account the respective regulations,
the properly bared conductors of the cables
shall be connected.
Fig. 3 + 4, page 10
The plug insert, item 3, is removed from the
pin bushing, item 11, after the fastening
screws, item 10, have been unscrewed.
Thereafter, the plug insert can be connected
to the connections of the plug pins, see fig. 5,
page 10.
Attention: When the fastening screws,
item 10, get lost, they will have to be
replaced by similar screws or to be ordered
directly from the manufacturer.
Pos 10= Type Size 4 = KTG 40x24/14,
Pos. 5= Type Size 5 = KTG 50x50/25.
Assembly is made in inverse order, after the
cable has been connected.
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).
All screws and/or nuts of the supply
terminals, also of those remaining vacant,
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 rules
(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 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.
Cooper Crouse-Hinds
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