Installation; Mounting - Eaton CROUSE-HINDS Serie Betriebsanleitung

Fig� 7
Apparatus holder for pipe mounting, size 3
A = Fixing holes for size 1
distribution enclosures
Apparatus holder for wall and trellis mounting,
size 3
A = Fixing holes for size 1
distribution enclosures
Explosion-protected distributions GHG 619; EXKO
6

Installation

The relevant national regulations(e�g� Betr�Si�V,
the equipment safety law for Germany), the
generally recognized rules of engineering and
the IEC/EN 60079-14 apply for the installation
and operation�
6.1

Mounting

The distribution enclosures can be mounted
without opening the cover�
When the boxes are mounted directly onto the
wall, they shall rest evenly only on the fastening
points provided for this purpose, and they shall
be fixed in such a way that they cannot twist or
turn�
The screw used shall match the fixing hole (see
dimension drawings) and must not damage the
opening (e�g� use of a washer)�
Distributions in the sizes 1 + 2 shall be fixed
with a minimum of two diagonally opposed
screws�
Distributions in the sizes 3 + 4 shall be fixed
with a minimum of 4 screws�
The mounting of wall fixing lugs on stainless
steel distribution boxes is shown on Figs� 5 + 6�
The fixing lugs are not be loaded with more
than 50 kg�
Excessive tightening can result in damage to
the flameproof enclosure or the terminal or
bus bar box.
Fig� 7a 2 x apparatus holders, size 3, for pipe mounting, horizontal
A
A = Fixing holes for:
size 2 distribution enclosures
size 3 distribution enclosures
size 4 distribution enclosures
See the Technical data cap� 1�2�3� and 1�2�4 for
the mounting of the bus bar connections�
The individual parts are enclosed loose in a bag�
Warning: The connections for the incoming
and outgoing leads of the bus bar systems
shall be fitted in such a way that the current
load of the copper rails is distributed evenly.
All minimum clearances of the bus bar
systems to the enclosure wall and between
the connections shall be maintained.
The MCB flap Size 2 is mounted with six
screws� The clickframe is catched in the holders
of the flap� Only with the clickframe the degree
of protection is IP66�
Individual moulded plastic distribution boxes are
suited for mounting on Size 3 apparatus holders
using self-tapping screws (see figs� 7 and 7a)�
The mounting instructions for the apparatus
holder shall be observed�
(Dimension X = 0 mm)
(Dimension X = 267 mm))
(Dimension X = 540 mm)
GB
X
65