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ISO 21780:2020

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

Aug 3, 2020

General information

90.93     Jun 29, 2026

ISO

ISO/TC 22/SC 32

International Standard

43.040.10  

English  

Buying

Published

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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).

Life cycle

NOW

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