Operating the metering panel
139-2021.9 / 07 NXAIR M 79
Before removing the low-voltage connector:
Switch off all MCBs at the front of the withdrawable metering part. The indicators change
from red to green.
Fig. 126: MCBs switched on,
indicators red
Fig. 127: MCBs switched on, indicators
green
After plugging on the low-voltage connector:
Switch on all MCBs at the front of the withdrawable metering part. 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 disconnecting panel, see
chapter 10.17 and/or 10.18.
12.7 Taking the withdrawable metering part out of a panel or inserting in a panel
The procedure for inserting and/or removing the withdrawable metering part in the metering panel is identical
with the procedure for inserting and/or removing the withdrawable circuit-breaker in the circuit-breaker panel.
For inserting and/or removing the withdrawable metering part in the metering panel, see
chapter 10.20 and/or 10.19.
12.8 Replacing protection fuse-links
Maloperation
Withdrawable metering parts 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.
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