ABB MegaFlex 1000 UL S1 Installation Manual page 34

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Cable conduits entry
MegaFlex 1000 to 1600 openings are provided on the top and the bottom of the UPS cabinet for the connection
of input and output cables.
Pay attention to the position of these openings, when choosing the placement of the UPS.
These openings are covered with a protective plate (A and B) which need to be prepared with appropriate cable
conduits.
!
Please remove
the plates (B and C) before
drilling any wholes
Note!
Drill the cover plate "B and/or C" appropriate holes for cable conduits entry. See Fig. 4.9-2.
The holes must be drilled with the cover plate "B and/or C" removed from the UPS to avoid metal
dust falling in the connection bars area.
Top entry cables: the conduits must be of metal!
Bottom entry cables: the conduit can be of plastic!
Top entry cables Utility input,
B
Load output and Battery
Bottom entry cables
Utility input, Load output
and Battery
C
Fig. 4.9-2 MegaFlex 1000 to 1600 – Cable conduits entry
MegaFlex 1000 to 1600
3-1/2" conduit
must be of metal
for the top entry
4" conduit
must be of metal
for the top entry
3-1/2" conduit locknut
4" conduit
locknut
3-1/2" conduit
locknut
4" conduit
locknut
4" conduit
it can be of plastic
for the bottom entry
3-1/2" conduit
it can be of plastic
for the bottom entry
UPS Installation Guide / REV-A
Conduit 4"
C onduit 3-1/2"
*) (Bigger conduit diameters 4" + Bigger conduit diameter 3-1/2") / 2 has to be less than this dimension