INSTALLATION
149
NA30 - Manual - 04 - 2022
6.4 NOMINAL CURRENT
I
n
AND
I
En
SETTING
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, 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
Remove-tile.ai
Removing tie to access the fastening screws
