Mechanical installation 71
Cable duct in the floor below the cabinet
A cable duct can be constructed below the middle part of the cabinet. The duct width may
not exceed 450 mm. The cabinet weight lies on the 100 mm wide section in front and
50 mm wide section on the back which the floor must carry.
Prevent the cooling air flow from the cable duct to the cabinet by bottom plates. To ensure
the degree of protection for the cabinet, use the original bottom plates delivered with the
unit. With user-defined cable entries, take care of the degree of protection, fire protection
and EMC compliance.
50 mm 100 mm
Minimum widths for the floor support (side
view). a) Cabinet front.
Allowed area for cable duct (view from
above). a) Cabinet front. The shaded
area can be used for a cable duct.
Preventing cooling air flow. 1) Cables. 2)
Bottom plates.
a
a
2
1
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