Siemens NXAIR - Accessing the Connection Compartment Through the Rear; Accessing the Connection Compartment Through the Rear Side of the Panel

110-0134.9 / 13 NXAIR / ≤ 40 kA 347
Accessing the connection compartment through the rear
24 Accessing the connection compartment through the rear
INFORMATION
Read and understand these instructions before attempting operating works.
24.1 Accessing the connection compartment through the rear side of the panel
DANGER
Electric shock
To perform any kind of activities inside or near the connection compartment of a
panel, you must ensure that this compartment is safely isolated from supply.
Without isolation from supply, the cables / bar connections in the connection
compartment will be live at operational high-voltage.
Before removing the rear wall on the rear side of a panel, isolate and earth
the cable / bar connections in the connection compartment.
Provide a warning on the high-voltage door to indicate activities in the
connection compartment on the rear side of the panel.
Observe the Five Safety Rules.
Verify safe isolation from supply.
Do not operate the feeder earthing switch during any activities inside or
near the connection compartment.
Do not remove any ledges on the rear side of the busbar compartment.
WARNING
Reduced safety
The closed connection compartment is an important safety element of the
switchgear. The connection compartment is exclusively opened for performing
operational activities inside the connection compartment.
Close the connection compartment with the rear wall, ledges and tightened bolts:
If an activity inside the connection compartment is interrupted.
Immediately after an activity inside the connection compartment was
completed.
CAUTION
Sharp edges
The metal parts of the rear wall may have sharp edges.
Put on personal protective equipment.