Preparation for installing the unit
5.6. Type of grid
These units must be connected to a three-phase grid with a star formation with grounded neutral. Therefore,
admissible grounding systems are TT and TN.
They cannot be connected to IT grids or delta grids with one of their lines grounded.
The connections from the three-phase grid (L1, L2, L3 and N) and its ground (PE) must go to the unit.
TN-C
TN-C-S
ABT2012IQM01_B - Installation and Operation Manual
Charger
L1 L2 L3 PEN
Charger
L1 L2 L3
PE
N
Ingeteam
TN-S
Charger
L1 L2 L3
PE
N
TT
Charger
L1 L2 L3
PE
N
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EN
ES
FR
IT