ABB UniSec SDS Installation Manuals page 40

40 U N I S E C I N S TA L L AT I O N M A N U A L
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4. Cable connections
c) Prepare the cable insulating ends and mount
them on the cable cores according to the
manufacturer's instructions.
d) C onnect the cables to the cable terminals as
shown in Figure 94.
In a switch-fuse combination, the maximum
terminal width is 30 mm.
Figure 94. Connecting the cables
3. Cable clamps
a) Remove 2 nuts (per phase) from the left hand side
of the cable clamps.
b) Remove the loose sides of the cable clamps.
c) Insert the floor plates, fairleads, cable clamps and
cable guide splines, together with 8 nuts, on the
floor of the unit as shown in Figure 95.
Figure 95. Installation of the floor plates,
cable guide splines, cable clamps and fairleads
d) Screw up all eight nuts.
With SBC-W, the circuit-breaker can be removed as
indicated in the Operation manual
NOTE
NOTE
In the case of a circuit-breaker, fit the floor plates
as far apart from each other as possible so that the
cables can be fitted directly to as vertical a
position as possible
NOTE
During mounting of the power cables, check that
earth connection passes through the toroid (see
figure below)
Figure 96.
NOTE
Check that P1 contacts of the toroid is mounted on
supply side of the plant
4. Cable clamps
a) Re-install the loose parts as shown in Figure 97.
b) Tighten all 6 nuts.
Figure 97. Installing the loose parts of the cable clamps