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With measuring instruments for c.t.
connection, the pick-up current is indicated
indirectly, with direct indication instruments it
is indicated directly.
Control switches with direct-indicating
measuring instruments are fitted with looping
terminals for looping the PE conductor and
phases not fed via the measuring instrument
(see technical data for temperature class,
explosion group and permissible ambient
temperature).
The control switches are generally fitted with a
locking facility and can be locked in the OFF
or left position by means of a padlock to
prevent unauthorized switching (shackle
diameter of padlocks up to 5 mm see fig. A).
Other locking positions can be set
according to separate conversion
instructions.
Fig. A
Apparatus holder size 2
A
A
A = fixing point for
control switches GHG 292
10
10
10
10
10
Cooper Crouse-Hinds GmbH
Control switch, GHG 292 and control switch with
measuring instrument, GHG 293
The data according to sections 3 and 4
shall be taken into account during use.
Applications other than those described
are not permissible without a written
declaration of consent from Messrs.
CCH / CEAG.
During operation the instructions stated in
section 7 of the operating instructions shall
be observed.
The sole responsibility with respect to the
suitability and proper use of the control
switches with regard to the basic
requirements of these instructions (see
technical data) lies with the operator.
6
Installation
The relevant national regulations( and the
generally recognized rules of engineering
apply for the installation and operation.
The improper installation and operation of
control switches may result in the
invalidation of the guarantee.
Apparatus holder size 3
for pipe fixing
B
A
B
A
6.1
Mounting
The control switches can be mounted without
opening the enclosure.
When the control switches are mounted
directly onto the wall, they shall rest evenly
only on the fastening points provided for this
purpose.
The screw chosen shall fit the fixing hole (see
dimensional drawing) and shall not damage
the hole (e.g. use of a washer).
The apparatus shall be fixed diagonally with a
minimum of 2 screws.
If the screws are overtightened, the
apparatus may be damaged.
The control switches are suited for plug-in
mounting on CCH / CEAG apparatus holders,
sizes 2 and 2A for switches of the type GHG
292 and size 3 for switches with measuring
instruments of the type GHG 293, whereby
they are pushed into the guide groove from
the top of the apparatus holder.
See the respective mounting instructions.
Apparatus holder size 3
for wal- and trellis fixing
B
B
B
B
B = fixing point for
control switches GHG 293
B
B
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