Accessing the connection compartment through the front
318 NXAIR / ≤ 40 kA 110-0134.9 / 14
23.5 Installing the vertical partition and the ventilation duct type I in the switching-device
compartment
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.
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.
Sharp edges
The metal parts of the ventilation duct and the vertical partition may have sharp
edges.
Put on personal protective equipment.
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
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.
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