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Verfügbare Sprachen
Verfügbare Sprachen
Contact arrangements
Pushbutton
Double pushbutton
Mushroom-head pushbutton
Mushroom-head pushbutton with key
Key-operated pushbutton
Potentiometer
Control switch Ex 41 R6201
Control switch Ex 41 R6102
Control switch Ex 41 R6002
Control switch Ex 41 R5307
Control switch Ex 41 R5507
Control switch Ex 41 R8701
16
Explosion-protected control units GHG 43.
2
Safety instructions
The operations must be carried
a
out by electrical suitably trained
in hazardous area with knowledge
of increased safety explosion protection
IEC/EN 60079-14. The control units
GHG 432 and GHG 434. are not suited for
use in Zone 0 and Zone 20.
The requirements of the IEC/EN 60079-31
regarding excessive dust deposits and
temperature to be considered from the user.
The temperature class and type of protec-
tion stated on the apparatus shall be
observed.
Modifications or changes to the control
units are not permitted.
They shall be used for their intended
purpose and shall be in a perfect and clean
state.
Prior to being put into operation, the control
units shall be checked in accordance with
the instructions as per section 6.
The national safety rules and regulations for
the prevention of accidents, as well as the
safety instructions included in these
operating instructions, that, like this text,
are set in italics, shall be observed!
3
Conformity with standards
The control units are conform to the standards
specified in the EC-Declaration of conformity,
enclosed separately.
References to standards and directives in these
operating instructions always relate to the latest
version. Other additions (e.g. details relating to
the year) shall be observed.
4
Field of application
The control units are intended for use in
potentially explosive atmospheres in zones 1, 2
and zones 21, 22 in accordance with
IEC/EN 60079-10-1 and IEC/EN 60079-10-2.
The enclosure materials used, including any
external metal parts, are high quality materials
that ensure a corrosion resistance and
resistance to chemical substances according to
the requirements for use in a "normal industrial
atmosphere"
– impact resistant polyamide
– special steel AISI 316 L.
In case of use in an extremely aggressive
atmosphere, please refer to manufacturer.
GB
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