Siemens NXAIR Operating Instructions Manual page 301

Switch-disconnector panel only:
Switch-disconnector panel is the modular type and has two compartments. There is a direct access
to the cable terminals without vertical partition. When the high voltage door is opened, switching-
device / connection compartment is accessible.
Verify that the position indicator of the feeder earthing switch on the high-voltage door
shows the vertical I position.
Fig. 553: Switch-disconnector panel only: Position indicator of feeder earthing switch
Open the high-voltage door, see chapter 18.4.
Fig. 554: Switch-disconnector panel only: Switching-device / connection
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Accessing the connection compartment through the front
WARNING
Electric shock
To perform any kind of activities inside or near the switching-device / connection
compartment of a switch-disconnector panel, you must ensure that the shutter
mechanism of the busbar compartment is closed.
Do not open the high-voltage door with the shutter mechanism of the
busbar compartment open.
on high-voltage door
compartment accessible
NXAIR / ≤ 40 kA
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