Published
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).
PUBLISHED
ISO 21780:2020
90.93
Standard confirmed
Jun 29, 2026