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HT

Which charging cable to choose for my electric car

How to choose the type of plug for a charging cable

Charging cable (AC current)

Presentation of the two most common types of charging cables found on electric vehicles.

type 1 cabletype 2 cable
Charging cable type 1 type 2 charging cable

You can see that the cable type 1 has 5 connectors. It is easily differentiable with a type 2 cable which has 7 connectors .

Fast charging cable (DC current)

Presentation of the two most common types of charging cables found on electric vehicles.

For vehicles equipped with a type 2 plug, you will often find it paired with a CCS combo plug. The CCS combo socket allows rapid recharging (over 22kw). They are usually found on public charging stations or on highways.

Likewise for the vehicle equipped with type 1 plug, you will find Chademo plugs for quick recharging.

Chademo cableCombo ccs cable
Chademo charging cable ccs combo charging cable

Summary of the different existing takes:

Type 1 cableType 2 cableChademo cableCCS combo cableTesla cable
Charging cable type1 type 2 charging cable Chademo charging cable CCS Combo charging cable Tesla charging cable

Choose the cable capacity

Table capacity

There are 4 main variations for charging cables.

Depending on your single-phase or three-phase electrical installation and your vehicle's on-board charger, you must choose the corresponding cable.

Single phase 16ASingle phase 32AThree phase 16AThree phase 32A
3,7kW 7.4kW 11kW 22kW

Cooldown table:

Battery capacityWall-box 3,7kWWall-box 7,4kWWall-box 22 kW
20 kWh 5h30 3h00 1h15
30 kWh 8h00 4h30 1h30
40 kWH 11h00 5h45 2h
50 kWh 1h30 7h00 2h30
60 kWh 4h15 8h30 3h00
70 kWh 7h00 10h00 3h30
80 kWh 9h45 11h30 3h45
90 kWh 24h30 1h00 4h30
100 kWh 27h00 2h15 5h00

To have a charging power of 22 kW , the three-phase 32A cable is essential.

For a 7.4 kW charging station, a single-phase 32A cable will be sufficient.

Note that to obtain three-phase recharging, all the elements of the line must be three-phase:

Prime Info
  • Installation
  • Charging station
  • Charging cable
  • Vehicle (on-board charger)

If one of these elements is single-phase, there will be no compatibility problem, but charging will be done in single-phase.

Advice on choosing the right cable

We therefore recommend that you use the cable suited to your needs.

For this you must check the charging power of your vehicle accepted by its type 1 or type 2 socket, this is often equivalent to: 3.7kW, 7.4kW, 11kW or 22kW.

Be careful not to confuse the rapid charging power of your vehicle which is only compatible with a CCS combo or Chademo socket, only available with charging stations. fast recharges. The recharging powers are then generally above 50kW .

If your vehicle is single phase , we recommend a single phase cable .

If your vehicle is three-phase , a three-phase cable will be necessary to obtain the maximum power of 22Kw.

Difference between a single-phase cable and three-phase cable

The single phase cables have the advantage of being more flexible , as well as having a weight twice as light than the three-phase cables.

Choose the cable length

Our advice for a good cable:

4m cable7m cable
Diagram of Charging cable 4m Diagram Charging cable 7m

Let’s discuss together the choice of cable length . This choice will of course be determined by the distance between the plug of the charging station and that of your vehicle . The length may vary depending on how you park your vehicle.
A length of 4m is usually sufficient if you always park with the charging socket of your vehicle closest to the terminal. On the other hand, if you want to keep the freedom to park in forward or reverse gear , we recommend a length of 7m . Of course these examples depend on the length of your vehicle.