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prEN IEC 62973-3:2025/prAA:2026

Railway applications - Rolling stock - Batteries for auxiliary power supply systems - Part 3: Lead acid batteries

Publication date:   Aug 7, 2026

General information

40.20   DIS ballot initiated: 12 weeks   Aug 7, 2026

CENELEC

CLC/TC 9X Electrical and electronic applications for railways

European Norm

29.220.20   Acid secondary cells and batteries | 45.040   Materials and components for railway engineering

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Scope

The part 3 of IEC 62973 will get a European annex.
The European Annex will only contain additions regarding European operating conditions (such as temperature) and requirements (such as discharging/charging characteristic) as well as general additions (which are contained in EN 50547 but have not been adopted into the IEC).

Life cycle

PREVIOUSLY

IN_DEVELOPMENT
prEN IEC 62973-3:2025

NOW

IN_DEVELOPMENT
prEN IEC 62973-3:2025/prAA:2026
40.20 DIS ballot initiated: 12 weeks
Aug 7, 2026