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NA11 - Manual - 02 - 2009
INSTALLATION
6.4 NOMINAL
CURRENT
I
n
AND
I
En
SETTING FOR TRADITIONAL CTs
Factory default settings:
Nominal phase current
I
n
: 5 A
Nominal residual current
I
En
: 1 A
To modify settings the plug-in module must be extracted from the case.
The following operations must be performed:
Remove the auxiliary supply
Unplug the RS485 and RJ45 cables (Ethernet and/or Thybus)
Remove the upper tile and open the little door to access the fastening screws.
•
•
•
•
Turn off power supply before extracting or re-inserting the relay.
If an attempting is made to insert a relay into an un-matching case, a mechanical code will prevent
full insertion. Demage can result if excessive force is applied.
CAUTION
Turn off power supply before extracting or re-inserting the relay.
If an attempting is made to insert a relay into an un-matching case, a mechanical code will prevent
full insertion. Demage can result if excessive force is applied.
CAUTION
Disconnect.ai
RS485 and RJ45 connectors
Disconnect.ai
RS485 and RJ45 connectors
Remove-tile.ai
Removing tie to access the fastening screws
Remove-tile.ai
Removing tie to access the fastening screws
Summary of Contents for NA11
Page 189: ...189 NA11 Manual 02 2009 APPENDIX...
