Siemens NXAIR Operating Instructions Manual page 379

Air-insulated switchgear ≤ 17.5 kv / ≤ 40 ka / ≤ 4000 a busbar current
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Fitting the earthing device
Seize the earthing rod in the safe hand area with both hands. The limit of the safe hand area
is marked by a ring.
Fig. 687: Seizing the earthing rod in the safe hand area
Lead the coupling of the earthing rod towards the earthing tulip to be detached. Hereby, the
earthing rod must point exactly towards the earthing tulip.
Align the guides in the coupling of the earthing rod with the two cross bolts on the spindle of
the earthing tulip. Plug the earthing rod on the earthing tulip and push it in until the two cross
bolts touch the end of the guides.
Fig. 688: Plugging the earthing rod onto the tulip
Continue pushing the earthing rod slightly towards the earthing tulip. While doing so,
carefully turn the earthing rod counter-clockwise at the cross lever in order to detach the
earthing tulip.
NXAIR / ≤ 40 kA
110-0134.9 / 14
379

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