Connecting The Auxiliary Voltage Busbar System When Cabinet Units Are Installed Side-By- Side - Siemens SINAMICS S120 Equipment Manual

Electrical installation
4.5 Connections
4.5.3.3 Connecting the auxiliary voltage busbar system when cabinet units are installed side-by-
side
Description
To connect the auxiliary voltage busbar system, 3 preassembled jumpers are provided for
each cabinet. One jumper connects one busbar system. The procedure is described below.
Figure 4-10
Establishing the connection
Take care not to cut yourself on the sharp edges inside the cabinet when inserting the
connection jumpers.
1. Attach the first jumper to the upper busbar (1).
2. Gently press the jumper against the auxiliary voltage busbars to be connected on the left
3. Repeat this procedure with the other jumpers (2) on the other busbars.
Note
These connections are already established within transport units. If pre-assembled in the
factory, continuous busbars can be used.
66
Connecting the auxiliary voltage busbar system when cabinet units are installed side-by-
side
CAUTION
and right until the jumper engages.
1
2
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A