Siemens NXAIR Operating Instructions Manual page 240

Operating the removable voltage transformers
Preconditions
•
High-voltage door closed
•
Door to voltage transformer compartment closed
•
If inserted: removable voltage transformers in test position
•
Hexagon socket head key size 6 available
•
Key for padlock available
Procedure
Remove the padlock from the operating slide (3).
Undo 3 hexagon socket head bolts (1). The bolts remain permanently in the door to the
voltage transformer compartment.
Open the door to the voltage transformer compartment using the handle (2).
Fig. 425: Opening the door to the voltage transformer compartment
Fig. 426: Door to the voltage transformer compartment open
✓
The door to the voltage transformer compartment is open.
240
INFORMATION
The door to the voltage transformer compartment is not linked with the high-
voltage door.
The door to the voltage transformer compartment can be operated
independently of the high-voltage door.
NXAIR / ≤ 40 kA
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