Siemens NXAIR Operating Instructions Manual page 271

Air-insulated switchgear ≤ 17.5 kv / ≤ 40 ka / ≤ 4000 a busbar current
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Indications VOIS+, VOIS-R+, CAPDIS-S1+ / CAPDIS-S2+
VOIS-R+
Indication:
L1
A0
A1
A2
A3
A4
A5
A6
A7
A8
Fig. 496: Indications VOIS+, VOIS-R+, CAPDIS-S1+/-S2+
Features VOIS+, VOIS-R+, CAPDIS-S1+ / CAPDIS-S2+
VOIS+, VOIS-R+
Integrated display, without auxiliary power
Maintenance-free, repeat test required
Degree of protection IP54
With integrated 3-phase test socket for phase
comparison
110-0134.9 / 14
VOIS+,
CAPDIS-S1+
L2
L3
L1
L2
L3
NXAIR / ≤ 40 kA
Verifying safe isolation from supply
CAPDIS-S2+
L1
L2
L3
Operational high-voltage not present
Operational high-voltage present
Operational high-voltage not
present
Auxiliary voltage not available
(only CAPDIS-S2+)
Failure in phase L1,
operational high-voltage at L2 and L3
Voltage (not operatinal high-voltage)
present
Indication: "Test" passed
(lights up shortly)
Indication: "Test" not passed
(lights up shortly)
Overvoltage present
(lights up permanently)
Indication:
"ERROR" for example in case of
disconnected auxiliary voltage
CAPDIS-S1+ / CAPDIS-S2+
Integrated display, without auxiliary power
Maintenance-free
Degree of protection IP54
With integrated 3-phase test socket for phase
comparison
With signal-lead test
Integrated repeat test of the interfaces
271

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