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o Overcurrent protection should be at least one class greater than the one used at
the grid connection point of the charging station;
o Differential protection (RCD) which is used in the charging station operates at a
low current (ΔI is 30 mA and without delay). The selectivity of this protection on
the level of facility is achieved with a higher delay or a greater current
differential.
• Five wires are routed to the station, including three phase wires, grounding wire, and
the neutral wire (when connecting to an existing installation). For slow charging option,
only one phase wire with sufficient diameter can be routed to the station. Dimensioning
of the wires is determined in the project documentation. Grounding wire must be
connected to the main grounding busbar.
Own consumption of the charging station depends on the station's configuration and should
not exceed 20 W. Own consumption of the charging station is measured by energy meter 2.
3.3 Location
Location of the charging station must meet the following criteria:
• The charging station must not be submersed in water or any other fluid and should not
be installed in flood risk areas;
• The operational temperature of the charging station is between -20 and +50°C;
o For locations where the charging station will be exposed to direct sunlight and
high ambient temperatures during the day, it is recommended to install
protection from direct sunlight, otherwise the temperature inside the station
may exceed 60°C.
