Additional Key-Operated Interlock (Optional) - Siemens NXAIR Operating Instructions Manual

Interlocks
7.6

Additional key-operated interlock (optional)

Action
Racking the withdrawable part / switching-device truck to
service position
Switching the feeder earthing switch to
CLOSED position
Switching the feeder earthing switch to
OPEN position
Switching the busbar earthing switch to
CLOSED position
Switching the busbar earthing switch to
OPEN position
32
Additional preconditions
Access to actuating openings only after
opening the lock
Access to actuating openings only after
opening the lock
Access to actuating openings only after
opening the lock
Access to actuating openings only after
opening the lock
Access to actuating openings only after
opening the lock
NXAIR / ≤ 40 kA
110-0134.9 / 14