Accessing the connection compartment through the front
172
NXAIR M
139-2021.9 / 07
19.7 Installing the bushing plate, the vertical partition and the voltage transformer compartment in
the switching-device compartment
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 / bars in the connection compartment will
be live at operational high voltage.
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.
CAUTION
Sharp edges
The metal parts of the voltage transformer compartment and the vertical partition
may have sharp edges.
Put on personal protective equipment.
NOTICE
Danger due to damages
Possible malfunctioning and switchgear damage caused by foreign objects:
Remove all foreign objects from the connection compartment, for
example:
Tools
Unused installation material
Packing material
Cleaning material
NOTICE
Cleaning
Possible malfunctioning and damage to the panels caused by pollution.
Before closing the connection compartment:
Clean polluted areas in the connection compartment. To do this, use a
vacuum cleaner and a lint-free cloth. If necessary, moisten the cloth, use a
mild household cleaner, and dry properly at the end.
Some parts and surfaces of the switchgear are greased for functioning.
Do not remove the grease there; do not clean the parts and surfaces.
If greased areas are dirty, clean the dirty area and grease again according
to the maintenance instructions.
