In all cases, the EV is the limiting factor. Some EVs cannot be charged using 3-phase, hence they will only be charged using 1-phase. The charging current is limited by the EV as well, usually it’s 16A, 30A or 32A.
1-phase charging range : 1.4 kW →7.2 kW
3-phase charging range : 4.2 kW → 22 kW