Assembling the panels
56 NXAIR / ≤ 40 kA 110-0084.9 / 15
Preparations before accessing the busbar compartment
Preconditions
• If a withdrawable part / switching-device truck inserted in the switching-device compartment:
• High-voltage door closed
• Withdrawable part / switching-device truck in test position
• Feeder earthing switch in CLOSED position
Procedure
To access the busbar compartment through the front side of the panel, open the high-voltage door and
access the switching-device compartment first.