Closing The High-Voltage Door - Siemens NXAIR Operating Instructions Manual

Operating the busbar current metering panel
Preconditions
•
Release for opening the high-voltage door available
•
Hexagon socket head key size 6 available
•
Personal protective equipment put on
Procedure
Undo 6 hexagon socket head bolts size 6 (1). The bolts remain permanently in the high-
voltage door.
Fig. 378: High-voltage door at the busbar current metering panel
Open the high-voltage door using the handle (2).
✓
The high-voltage door is open.

17.3 Closing the high-voltage door

214
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 current metering panel.
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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