Siemens NXAIR - Additional Key-Operated Interlock (Optional)

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