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).

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The part 2 of IEC 62973 will get a European annex. The European annex will contain additions regarding European operating conditions (such as temperature) and requirements (such as such as discharging/charging characteristic, application of guidelines TR 50718) as well as general additions (which are contained in EN 50547 and are missing in the IEC-version).

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The part 1 of IEC 62973 will get a European annex. The European annex will contain additions regarding some European technical requirements (like system voltage, link to EN 45545).

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No changes compare the IEC 62973-5 Version. There is no Li-Ion-technology in the EN 50547. No European Annex proposed for part 5. Li-Ion is not deployed in passenger operation for auxiliary batteries with enough maturity.

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No changes compare the IEC 62973-4 Version. No European Annex is necessary for Part 4. Ni-MH-batteries for auxiliary power supply systems have no future importance in Europe in the railway rolling stock sector

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The part 2 of IEC 62973 shall be transferred to a EN IEC by this NWIP. Later, in a second step, by a further NWIP, common modifications to the EN IEC version will be added. The scope of the original IEC version remains unchanged for the endorsement as EN IEC.

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The part 1 of IEC 62973 shall be transferred to a EN IEC by this NWIP. Later, in a second step, by a further NWIP, common modifications to the EN IEC version will be added. The scope of the original IEC version remains unchanged for the endorsement as EN IEC.

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The part 3 of IEC 62973 shall be transferred to a EN IEC by this NWIP. Later, in a second step, by a further NWIP, common modifications to the EN IEC version will be added. The scope of the original IEC version remains unchanged for the endorsement as EN IEC.

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Frequently Asked Questions

WG 45 is a Technical Committee within CLC. It is named "RS - Auxiliary Batteries". This committee has published 13 standards.

WG 45 develops CLC standards in the area of Information technology. Currently, there are 13 published standards from this technical committee.

CLC is a standardization organization that develops and publishes standards to support industry, commerce, and regulatory requirements.

A Technical Committee (TC) in CLC is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.