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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 wallbox.
This phase voltage must measure 230 V between line and
neutral.
Make sure to connect the single phase power supply to
L1 of the wallbox (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 conguration (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 wallbox.
Make sure to connect the single phase power supply to
L1 of the wallbox (not L2 or L3), as the internal electronics
of the wallbox are supplied from L1.
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