30 ZX2 GAS-INSULATED MEDIUM VOLTAGE SWITCHGEAR
Important note
Greater force is needed to overcome the
spring force of the second spiral contact
inside the busbar socket (for rated
busbar voltages over 2000 A, two
tube up to the stop in the busbar socket.
Align the contact tubes horizontally.
• Slide the extension panel carefully against the
existing system without tipping it, in such a
way that the contact tubes slide into the busbar
sockets and the guide pins into the correspond-
ing bores in the fastening bracket.
Important note
Check the busbar sockets, the insulating
parts and the contact tubes of the
relevant panel as specified in section
3.1.3.
Prepare the busbar sockets, contact
tubes and insulating parts for the
relevant panel (clean and grease as
Protect the components from soiling.
• Then, carefully insert the contact tubes into the
previously installed panel up to the stop, and
then insert the insulating parts (fig. 3.3.2.5).
—
Fig. 3.3.2.5:
Fitted contact tubes
and silicone insulating
parts (the front busbar
socket in the figure still
has to be fitted with a
silicone insulating part).
—
Fig. 3.3.2.6 a:
Coupling of the panels
—
Fig. 3.3.2.6 b:
Coupling of the panels
—
Fig. 3.3.2.5
—
Fig. 3.3.2.6 a
—
Fig. 3.3.2.6 b
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