Siemens NXAIR - Closing the High-Voltage Door

Operating the switch-disconnector panel
110-0134.9 / 14 NXAIR / ≤ 40 kA 219
Fig. 383: Opening the high-voltage door
✓
The high-voltage door is open.
18.5 Closing the high-voltage door
WARNING
Reduced safety
The closed high-voltage door is an important safety element of the switchgear.
The high-voltage door is exclusively open for performing operational activities
inside the switching-device/connection compartment, such as replacing the HV
HRC fuses.
Close the high-voltage door:
If an activity inside the switching-device/connection compartment is
interrupted.
Immediately after an activity inside the switching-device/connection
compartment was completed.
Before leaving the panel front.
Instruction label on high-voltage door:
In addition to these instructions, an instruction label on the high-voltage door describes safe closing of the
high-voltage door before executing a switching operation.