Audi Wallbox Manual Del Usuario página 24

Power supply wiring
Option 1: 400 V 3-phase with neutral
For 3-phase use of a Wye-connected secondary, all three
phases (L1, L2 and L3) and neutral must be connected. Each
phase voltage must measure 230 V to neutral.
Option 2: 230 V 1-phase with neutral
For 1-phase use of a Wye-connected secondary, only a single
phase (L1 or L2 or L3) and neutral on the grid must be con-
nected to the L1 and N on the terminal block of the charging
station. This phase voltage must measure 230 V between
line and neutral.
Note: Make sure to connect the single phase power supply
to L1 of the charging station (not L2 or L3), as the internal
electronics of the wallbox are supplied from L1.
Option 3: 230 V 1-phase without neutral
In this configuration (without neutral and 230 V from line to
line), connect any two lines (L1, L2 or L3) of the grid to L1
and N on the terminal block of the charging station.
Note: Make sure to connect the single phase power supply
to L1 of the charging station (not L2 or L3), as the internal
electronics of the wallbox are supplied from L1.
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