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2.2.2 Busbars
The busbars are in a central position; they consists of a single system or a double system and they can
be installed to different levels. It is possible to create a busbar system in 3-pole or 4-pole version.
The busbars are classified according to their length, corresponding to the sizes of the switchboard
shipping units.
2.2.3 Distribution bars
The distribution bars are the connection between the busbars ant the outgoing units.
The busbars can be installed in a single section along the whole length of the compartment, or at an
appropriate level for particular executions.
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