ISO 21780:2020Published

Road vehicles — Supply voltage of 48 V — Electrical requirements and tests

Véhicules routiers — Tension d'alimentation de 48 V — Exigences électriques et essais

Abstract / scope

This document covers requirements and tests for the electric and electronic components in road vehicles equipped with an electrical system operating at a nominal voltage of 48 V DC.

This includes the following:

— general requirements on 48 V DC electrical systems;

— voltage ranges;

— slow voltage transients and fluctuations (not including EMC).