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How to Choose EV Charger Cables to Ensure Safety and Efficiency?

Writer's picture: infosanopowerinfosanopower

220V 7kw charger cable selection:

  • Within 60 meters: Choose 3 * 6mm square copper wire.

  • Within 100 meters: Choose 3 * 10mm square copper wire.

  • Within 160 meters: Choose 3 * 16mm square copper wire.

  • Beyond 160 meters: Not a good distance to install the charger, it is recommended to change a site.


ev-charger-cable

380V 11kw charger cable selection:

  • Within 80 meters: Use 5 * 6mm square copper wire.

  • Within 160 meters: Use 5 * 10mm square copper wire.

  • Within 240 meters: Use 5 * 16mm square copper wire.

  • Beyond 240 meters: Not a good distance to install the charger, it is recommended to change a site.


ev-charger-power-cable

Electricity meter, leakage protection circuit breaker, and charging station cable:

  • Electric meter and leakage protection circuit breaker: use hard wire (single core).

  • Leakage protection circuit breaker and charging station: Use a 6-meter flexible cord (multi-core).


ev-charger-site

Safety advice:

  • Suggest purchasing a leakage protector.

  • A short distance from the charging station to the leakage protection can be covered with a 6-meter flexible wire, which can be used in conjunction with the terminal block.

  • Soft wire is easier to compress than hard wire, which can reduce the possibility of pile burning.

  • The leakage protection of the circuit breaker to the power point requires the cable to be thickened according to the actual length, with one specification every 80 meters.


Through the above suggestions, you can better choose the appropriate cable to ensure the safety and efficiency of the charging station.

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