IEC 60721-3-4/AMD1 ED3

Amendment 1 - Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected locations

General information

Current stage: 40.20 Effective date: Jun 19, 2026

Next stage: PRVC Next stage date: Sep 11, 2026

Originator: IEC

Owner: TC 104

Type: International Standard

ICS: 19.040

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Life cycle

PREVIOUSLY

PUBLISHED
IEC 60721-3-4:2019 ED3

NOW

PROJECT
IEC 60721-3-4/AMD1 ED3
40.20 DIS ballot initiated: 12 weeks
Jun 19, 2026

National adoptions

naSRPS EN IEC 60721-3-4:2019/A1:2025

ISS

Amendment 1 - Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weatherprotected loca-tions

40.20 DIS ballot initiated: 12 weeks

N104 more

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