Siemens NXAIR Operating Instructions Manual page 105

Air-insulated switchgear ≤ 17.5 kv / ≤ 40 ka / ≤ 4000 a busbar current
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Selection table for protection fuse-links:
Rated voltage U
[kV]
r
7.2
12
17.5
Supplier information:
Preconditions
Withdrawable metering part / metering truck in test position
Padlock (optional) removed from door handle
High-voltage door open
All voltage transformer MCBs are switched to OPEN position
Low-voltage connector stowed away
Withdrawable metering part / metering truck taken out of the panel
Set of proper protection fuse-links available
Replacing protection fuse-links for rated voltage ≤ 12 kV
Fig. 170: Withdrawable metering part,
110-0134.9 / 14
NOTICE
Undetected damage
A tripped protection fuse-link can cause hidden damages on the other protection
fuse-links.
Always replace all protection fuse-links, even if only one protection fuse-
link has tripped.
Supplier:
Bussmann
(a business of Eaton)
Bussmann
(a business of Eaton)
Bussmann
(a business of Eaton)
www.eaton.com
taken out of the panel
NXAIR / ≤ 40 kA
Operating the metering panel
Order details:
7.2ABWNA / 3.15 A / 142 mm
12ABCNA / 3.15 A / 195 mm
17.5CAV2 / 2 A / 220 mm
1
(1)
Removable protection fuse-link
Fixed-mounted
(2)
voltage transformer
2
105

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