ABB ACH550-UH User Manual page 19

ACH550-UH User's Manual
Note: Frame sizes R7 and R8 have
mounting holes inside the enclosure base.
See
Mounting dimensions
Where it is not possible to use either
mounting hole at the back of the base, use
an L-bracket at the top of the enclosure to
secure the cabinet to a wall or to the back of
another enclosure. Bolt the L-bracket to the
enclosure using the lifting lug bolt hole on
the top of the enclosure.
2. Drill holes of appropriate size in the
mounting location.
on page 1-321.
Fastening points when installed
back against a wall (Top view)
Fastening points when installed
back against back
Fastening the cabinet at the top
using L-brackets (side view)
L-bracket
M12 bolt (1/2 to 9/16 in)
Cabinet top
1-15
PC00023
Installation