When installing a charging station for your electric car, you must take several safety criteria into account.
Find out everything you need to know when installing your charging station, what technical components are in addition to your charging station and see how to carry out the installation correctly and safely.
1) Security
In terms of the safety of the vehicle, the installation and mainly the users, the following protections must be placed in the Charging Station power circuit, which, like the cables to be used, must be appropriate for the desired charging power:
Type A EV Differential Protection + C Curve Circuit Breaker
These protections must be on a circuit that only supplies the Charging Station.
They must be placed when the Charging Station does not have any protection.
Type A Differential Protection + C Curve Circuit Breaker
These protections must be on a circuit that only supplies the Charging Station.
They must be placed when the Charging Station already has a built-in Direct Current Leakage Sensor.
C Curve Circuit Breaker
These protections must be on a circuit that only supplies the Charging Station.
They must be placed when the Charging Station already has a DC Leakage Sensor and Differential Protection incorporated.
2) Charging Powers
When choosing a Charging Station you should take into account the power available in the existing installation and the power that your vehicle will actually use for charging.
Regarding the maximum charging powers of each vehicle, you can consult here
Regarding the most used powers we have:
Single-phase connection with 16A = 3.7 kW
Single-phase connection with 20A = 4.6 kW
Single-phase connection with 32A = 7.4 kW
Three-phase connection with 16A = 11 kW
Three-phase connection with 32A = 22 KW
3) What is the correct connector for my Vehicle.
The connectors currently used for normal charging are:
Type1 (SAE J1772)
Typical connector for the Japanese and American markets, has a single-phase connection and charging powers of up to 7.4 kW
Type2 (Mennekes)
Typical connector for the European market, has a single-phase or three-phase connection and charging powers of up to 22 kW.
Socket type2 (Mennekes)
Common connector for public pay phones, which requires the use of a Mode3 charging cable
When choosing a Charging Station you can choose a station that has a type1 or type2 connection cable, where you can only charge vehicles with that connector but which will be more comfortable to use, or a station that has a type2 socket and which allows you to charge all vehicles via a mode 3 cable, as charged at Public Stations.
Regarding the maximum charging powers of each vehicle, you can consult here