Closing the connection compartment / connection duct
186 NXAIR / ≤ 40 kA 110-0084.9 / 15
11.4 Installing the bushing plate, the vertical partition and the voltage transformer compartment in
the switching-device compartment
Sharp-edged sheets
The metal parts of the voltage transformer compartment may have sharp edges.
Sharp-edged sheets inside the switchgear can cause injuries by getting cut and
damage cables.
Put on personal protective equipment (e.g. cut-resistant gloves and arm
sleeves).
When working inside the switchgear, it must be observed that cables do not
touch any sharp-edged sheets. Cover sharp-edged spots, if required.
High weight
The voltage transformer compartment is heavy.
The voltage transformer compartment must absolutely be lifted by
2 persons.
Put on personal protective equipment.
Damages inside the switching-device compartment
Damages inside the switching-device compartment / voltage transformer
compartment possible due to incorrect or incomplete installation of the partition /
bushing plate.
To fasten the partition / bushing plate, always screw all bolts up to the end
of the thread!
Preconditions
• Feeder earthing switch in CLOSED position
• High-voltage door open
• Door to the voltage transformer compartment opened
• In the switching-device compartment and in the voltage transformer compartment:
• Low-voltage connector stowed away
• Bushing plate and associated connecting elements available:
• 8 bolts M8x20 with contact washers and plain washers size 8
acc. to ISO 7093
• 3 bolts M8x20 with contact washers
• Connecting cables and associated connecting elements available:
• 3 bolts M8 with contact washers and plain washers
• Vertical partition and associated connecting elements available:
• 8 bolts M8x20 with contact washers and plain washers size 8
acc. to ISO 7093
• Protection plate of switching-device compartment and associated connecting elements available:
• 4 nuts M8 with contact washers
• Voltage transformer compartment and associated connecting elements available:
• 14 bolts M8x20 with contact washers
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