Connecting Cabinet Units With Different Numbers Of Dc Busbars - Siemens SINAMICS S120 Manual

Cabinet modules liquid cooled
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Electrical installation
4.5 Connections
4.5.4.4

Connecting cabinet units with different numbers of DC busbars

When connecting cabinet units with different numbers of busbars, the DC busbars are
connected as shown in the following diagrams.
Transition from three busbars to two busbars
Of the three jumpers supplied to connect the DC busbars, only two jumpers have to be
connected from the left-hand to the right-hand cabinet. The rear jumper remains in the
position when the device is originally shipped, and is fixed using the screws of the left-hand
DC busbars.
Oblique view of the connection location
Transition from two busbars to one busbar
Of the two jumpers supplied to connect the DC busbars, only one jumper has to be
connected from the left-hand to the right-hand cabinet. The rear jumper remains in the
position when the device is originally shipped, and is fixed using the screws of the left-hand
DC busbars.
Oblique view of the connection location
86
Top view of the connection location
Top view of the connection location
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A

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