Before commissioning the switchgear, the connection compartment / connection
duct may only be permanently closed by bolting tight under the following conditions:
• The connection compartment / connection duct is free from foreign objects
and pollution
• All previous assembly work inside the connection compartment /
connection duct has been fully and properly completed
Verify completeness and correctness of the previous assembly work in the
connection compartment / connection duct. This also includes:
• Check the control tightening torques of the bolted joints, and
correct the torques if required
• Check earthing of sealing ends
• In case of welded floor fixing: Check the welded seam and the
corrosion protection
Record the proper condition of the connection compartment / connection
duct after bolting together, so that this is clear without any doubt before
commissioning the switchgear.
Before executing any installation work, read and understand the
corresponding chapters in the Operating Instructions with order number
110-0134.9.
Damages inside the switching-device compartment
Damages inside the switching-device compartment possible due to incorrect or
incomplete installation of the partition.
To fasten the partition, always screw in all bolts all around up to the end of
the thread.
In addition to these instructions, an instruction label on the vertical partition informs about safe
fastening of the partition:
Fig. 245: All panel versions except for contactor panels with panel width 435 mm and
switch-disconnector panel: Instruction label on the vertical partition
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