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3
Conformity with standards
The plugs and sockets meet the
requirements of EN 50 014, EN 50 018, EN
50 019, EN 50 281-1-1 and EN 60 309 1/2.
(Comparable international standards
IEC600 79-0, IEC 60079-1, IEC 60079-11,
IEC309-1/2).
94/9 EC: Equipment and protective systems
intended for use in potentially explosive
atmospheres.
The plugs and sockets also fulfil further
requirements such as those of the directive on
electromagnetic compatibility (89/336/EEC).
They have been designed, manufactured and
tested according to the state of the art and to
DIN EN ISO 9001.
4
Field of application
The plugs and sockets GHG 511 are suitable
for use in Zones 1 and 2 as well as in Zones
21 and 22 in accordance with IEC 60079-10.
The enclosure materials employed, including
the exterior metal parts, are made of high-
quality materials which ensure a corrosion
protection and resistance to chemical
substances corresponding to the requirements
in a "normal industrial atmosphere":
- impact resistant polyamide
- glass-fibre reinforced polyester
- special steel AISI 316 L
In case of use in an extremely aggressive
atmosphere, the additional data on the
employed plastic materials'resistance against
chemicals will have to be taken from the data
sheet GHG 902 4001 P0001.
5
Use/Properties
The GHG 511 plugs and sockets are used for
the power supply of local controls with varying
locations, as well as of electrical installations,
mobile machinery and driving gear in hazardous
areas.
The plugs and sockets can also be used in a
„normal industrial area".
The low-voltage plugs and sockets GHG 511
are fitted with a load switch and can be used
up to max. 16 A (see technical data).
The plugs and sockets can generally be used
for the voltage range laid down in IEC 309
(e.g. UN 400V that corresponds to the voltage
range 380-415V).
The apparatus connected to the plug shall
be suitable for the applied mains voltage.
In order to switch on the socket, the plug is
inserted, pushed fully home and then turned
through approx. 45° to the right. Thereby the
plug is locked in the socket (see page 12, fig. 1).
For switching off and pulling the plug, proceed
in inverse order.
Explosion protected plug and socket system
16A, GHG 511
After separating the plug from the socket, the
latter shall be closed with the hinged cover
and secured with the bayonet ring.
The plug can be pushed into the socket and
pulled out of it only whilst the socket is
switched off.
In order to activate the socket, the plug is
pushed fully home. Then the switching ring on
the plug can be turned through 45° to the right
in order to unlock the interlocking switch (see
page 12, fig.1)!.
In order to ensure the socket's type of
protection acc. to the type label also with the
plug being inserted, the bayonet ring of the
plug (see page 12, fig. 2, item 2) is turned to
its stop onto the socket.
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 COOPER CROUSE-
HINDS'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 1 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).
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
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
observed.
The improper installation and operation of
plugs and sockets may result in the
invalidation of the guarantee.
6.1
Mounting
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-
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, flange sockets and
couplers shall be mounted so that the plug
hole points downwards (see page 12, fig. 2).
The wall sockets can be clipped onto the
COOPER CROUSE-HINDS mounting plate
size 4. They are laterally pushed into the
guiding groove on the left-hand side of the
mounting plate.
The respective mounting instructions will
have to be observed.
A
A
B
A
A
B
Fastening point A
Fastening point B
16A socket 3-pol.
16A socket 4,5-pol.
6.2
Opening the device/
Electrical connection
Before opening the apparatus, ensure that
it has been isolated from the voltage
supply, or take appropriate protective
measures.
The electrical connection of the device may
only be carried out by skilled staff.
The conductors shall be connected with
special care in order to maintain the
explosion category.
The insulation of the conductors shall
reach up to the terminal. The conductor
itself shall not be damaged.
The connectible min. and max. conductor
cross-sections shall be observed (see
technical data).
Taking into account the respective regulations,
the properly bared conductors of the cables
shall be connected.
COOPER CROUSE-HINDS GmbH
B
B
7 7 7 7 7
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