Taking The Withdrawable Metering Part / Metering Truck Out Of A Panel Or Inserting In A Panel; Replacing Protection Fuse-Links - Siemens NXAIR Operating Instructions Manual

Air-insulated switchgear ≤ 17.5 kv / ≤ 40 ka / ≤ 4000 a busbar current
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Before removing the low-voltage connector:
Switch off all miniature circuit-breakers at the front of the withdrawable metering
part / metering truck. The indicators change from red to green.
Fig. 365: Miniature circuit-breakers
After plugging on the low-voltage connector:
Switch on all miniature circuit-breakers at the front of the withdrawable metering
part / metering truck. The indicators change from green to red.
Removing or plugging on the low-voltage connector:
For removing and/or plugging on the low-voltage connector in the busbar connection panel
type I, see chapter 10.18 and/or 10.19.

15.7 Taking the withdrawable metering part / metering truck out of a panel or inserting in a panel

The procedure for inserting and/or removing the withdrawable metering part / metering truck in the
busbar connection panel type I is identical with the procedure for inserting and/or removing the withdrawable
circuit-breaker / circuit-breaker truck in the circuit-breaker panel.
For
inserting
busbar connection panel type I, see chapter 10.20 and/or 10.21.
For inserting and/or removing the metering truck in the busbar connection panel type I,
see chapter 10.22 and/or 10.23.

15.8 Replacing protection fuse-links

110-0134.9 / 14
switched on, indicators red
and/or
removing
NOTICE
Maloperation
Withdrawable metering parts / metering trucks are exclusively designed for
operation with specific protection fuse-links.
Use only the fuse-link types listed in the following table.
Do not mount bridging links instead of protection fuse-links.
NXAIR / ≤ 40 kA
Operating the busbar connection panel type I
Fig. 366: Miniature circuit-breakers
the
withdrawable
switched off, indicators green
metering
part
in
the
205

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