Electrical Appliance

Application notes for Automotive Cables

The cables supplied by LEONI Automotive Cable Solutions are, regardless of their respective container, in line with the high standard of an IATF 16949 and ISO 14001 certified company.

For the use of automotive cables, please refer to the Technical Guideline - TLF 0100: Application notes for Automotive Cables published by the German Cable Makers’ Association ZVEI – Zentralverband Elektrotechnik- und Elektronikindustrie e.V., Fachverband Kabel und isolierte Drähte.

In addition, when processing charging cables, we refer to Table 3 - Minimum bending radius according to IEC Publication 62440.


Minimum bending radius [mm]

Cable type

Cable diameter

≤ 8

Cable diameter

> 8 ≤ 12

Cable diameter

> 12 ≤ 20

Cable diameter

> 20

Cable for fixed installations:
Normal use 4D 5D 6D 6D
Careful bending at termination 2D 3D 4D 4D
Flexible cables (thermoplastic, e.g. PVC)
Fixed installation 3D 3D 4D 4D
Free movement 5D 5D 6D 6D

At inlet of portable appliance or mobile equipmenta

5D 5D 6D 6D

Under mechanical loadb

9D 9D 9D 10D


10D 10D 11D 12D

Repeated reelingb

7D 7D 8D 8D

Deflected by pulleysb

10D 10D 10D 10D
Flexible cables (thermosetting, e.g. rubber)
Fixed installation 3D 3D 4D 4D
Free movement 4D 4D 5D 6D
At inlet of portable appliance or mobile equipmenta 4D 4D 5D 6D
Under mechanical loadb 6D 6D 6D 8D
Festoonedc 6D 6D 6D 8D
Repeated reelingb 6D 6D 6D 8D
Deflected by pulleysb 6D 8D 8D 8D

D = the overall diameter of round cables or the smaller dimension of flat cables.
aNo mechanical load on the cable.
bWith regard to dynamic stress.
cAs in gantry cranes

Customer magazine

LEONI inTEAM 4/2019

LEONI inTEAM 4/2019

Customer magazine


The focus concentrates on the following topics:

  • Digital twin in the high-voltage wiring system
  • LEONI products continue to be approved worldwide for Daimler AG
  • Move into the Factory of the Future – a big project
This site uses cookies in order to improve your user experience and to provide content tailored specifically to your interests. Detailed information on the use of cookies on this website is provided in our Privacy Policy. By using this website, you consent to the use of cookies.