Panels With Switch-Fuse Combination - Siemens NXAIR Operating Instructions Manual

30.3 Panels with switch-fuse combination

Fault
Switch-fuse combination cannot be
switched to CLOSED position
(operating lever cannot be pushed
on completely)
Switch-fuse combination cannot be
switched to CLOSED position
(closing spring for fused switch-fuse
combination is not charged)
Switch-fuse combination cannot be
switched to CLOSED position
If these operating instructions should not clarify all questions regarding operation and maintenance of the
NXAIR switchgear, please contact the Siemens sales partner or the regional Siemens representative
110-0134.9 / 14
Cause
Feeder earthing switch is in
CLOSED position.
Fuse has tripped
Switch-fuse combination has not
latched
NXAIR / ≤ 40 kA
Trouble shooting
Remedy
Switch the feeder
earthing switch to OPEN
position.
Replace fuse
Turn the operating lever
completely to the end position
to ensure that the toggle
fastener of the switch-fuse
combination latches tight and
the switch-fuse combination
can be closed again.
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