ABB RELION REX640 Installation Manual page 33

1MRS759115 E
2.
3.
REX640
Installation Manual
Mount the roof mounting bracket to the roof with M5 screws using either the
through holes on top of the cabinet or the M5 holes in the roof inside the
cabinet.
Mount the M5 screws in the upper M5 holes of the roof mounting bracket, but
do not tighten them. Leave them 3...4 (0.1181...0.1575 in) mm open.
1
2
1 Upper M5 hole
2 Roof mounting bracket
Figure 21: Mounting M5 screws
3 M5 screws for holes on top of the
cabinet
4 M5 screws for holes inside the
cabinet
Mounting
3
4
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