Closing The Busbar Compartment - Siemens NXAIR Installation Instructions Manual

Assembling the panels
For assembly of insulating half-shells and strip fasteners, consider Fig. 92 and
Fig. 93.
Finally insert a plastic tube (1) on each horizontal bar of busbar system. Consider the
panel width and numbers of bars in the busbar system while fitting the plastic tubes.
Fig. 95: Contactor panels with panel width 435 mm:
7.8

Closing the busbar compartment

80
Detail view of busbar system with plastic tubes, for example
DANGER
Electric shock
Always verify safe isolation from supply without any doubt.
In the instructions given in the following sections it is assumed that new switchgear
is being installed, which has not yet been energized with operational high voltage.
If the switchgear is already in operation, operational high voltage could be
applied at the connections / bars in the busbar compartment.
To perform tests or work in the busbar compartment of a switchgear that is
already in operation, follow the directives of the Operating Instructions with
order number 110-0134.9.
NOTICE
Foreign objects
Possible malfunctioning and damage to the panels caused by foreign objects.
Before closing the busbar compartment, remove all foreign objects, e.g.:
•
Tools
•
Unused installation material
•
Packing material
•
Cleaning material
NXAIR /
1
≤
40 kA 110-0084.9 / 15