Siemens NXAIR Operating Instructions Manual page 245

Operating the removable voltage transformers
Fig. 434: Turning 90° clockwise to lock
Remove the racking tool.
Fig. 435: Removing the racking tool
To close the actuating opening, push the operating slide down as far as it will go.
Fit a padlock to the operating slide and close it.
Fig. 436: Fitting a padlock
✓
The removable voltage transformers are in service position.
NXAIR / ≤ 40 kA
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