Siemens Industry, Inc. 5300 Triangle Parkway, Norcross, GA 30092
A5E33045207A
E87010-A0401-T002-A5-MCC
tiastar
TM
Motor Control Center
Page 11 of 12
9. Wiring Fixed Mounted Units to the Horizontal Bus
Figure 16
Figure 17
Figure 16
Units with large circuit breakers (
>
300A) positioned
at the very top of a section
Pass L1, L2, and L3 cables through the section top plate
barrier and connect them to the appropriate bus bars, as
shown in Figure 16.
Bundle all cables together above circuit breaker with wire ties.
Figure 17
Units with smaller circuit breakers (
300A) positioned
anywhere
within a section
Carefully bend L1, L2, and L3 cables towards the vertical
wireway and bundle all three together with a provided wire tie
within unit space.
In 12” increments, secure the bundled cables to the MCC
back panel with a provided wire clamp.
(See detail in Figure 17).
Once the bundled cables have been passed into the busway
region, connect them to the appropriate busbars, as shown
in Figure 17.
Add wire ties where cables enter into busway region.
