ISO 21780:2020

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

Publication date: Aug 3, 2020

General information

Current stage: 90.20 Effective date: Jul 15, 2025

Originator: ISO

Owner: ISO/TC 22/SC 32

Type: International Standard

ICS: 43.040.10

Languages: English

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Status: 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
90.20 Standard under periodical review
Jul 15, 2025

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