Operating The Busbar Connection Panel Type Ii; Panel Front; Opening The High-Voltage Door - Siemens NXAIR Operating Instructions Manual

Operating the busbar connection panel type II

16 Operating the busbar connection panel type II

16.1 Panel front

No switching operations must be executed at the busbar connection panel type II. For revision and
maintenance, the high-voltage door at the panel front can be opened. For opening and closing the high-
voltage door, do absolutely observe the following notes.

16.2 Opening the high-voltage door

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INFORMATION
Read and understand these instructions before attempting operating works.
INFORMATION
The busbar connection panel type II is not equipped with any kind of withdrawable
part / switching-device truck.
DANGER
Electric shock
If the busbars in the switchgear have not been isolated, the contacts in the panel
will be live at operational high-voltage.
Isolate the busbars in the switchgear.
Do not open the high-voltage door at the busbar connection panel type II
unless the busbars have been isolated.
Observe the Five Safety Rules.
Verify safe isolation from supply.
WARNING
Reduced safety
The closed high-voltage door is an important safety element of the switchgear.
The high-voltage door is exclusively opened for performing operational activities
inside the busbar connection panel type II.
Close the high-voltage door:
If an activity inside the compartment behind the high-voltage door is
interrupted.
Immediately after an activity inside the compartment behind the high-
voltage door was completed.
Before leaving the panel front.
NXAIR / ≤ 40 kA
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