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EN 50122-1:2022/prA1:2024

(Amendment)

Fixed installations for railway applications - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock

Fixed installations for railway applications - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock

This document specifies requirements for the protective provisions relating to electrical safety in fixed installations associated with AC and/or DC traction systems and to any installations that can be endangered by the electric traction power supply system. This also includes requirements applicable to vehicles on electrified lines. It also applies to all aspects of fixed installations which are necessary to ensure electrical safety during maintenance work within electric traction power supply systems. This document applies to new electric traction power supply systems and major revisions to electric traction power supply systems for: a) railways; b) guided mass transport systems such as 1) tramways, 2) elevated and underground railways, 3) mountain railways, 4) trolleybus systems, 5) electric traction power supply systems for road vehicles, which use an overhead contact line system, and 6) magnetically levitated systems, which use a contact line system; c) material transportation systems. This document does not apply to: a) electric traction power supply systems in underground mines, b) cranes, transportable platforms and similar transportation equipment on rails, temporary structures (e.g. exhibition structures) in so far as these are not supplied directly or via transformers from the contact line system and are not endangered by the electric traction power supply system, c) suspended cable cars, d) funicular railways, e) existing vehicles. This document does not specify working rules for maintenance. The requirements within this document related to protection against electric shock are applicable to persons only.

Ortsfeste Anlagen für Bahnanwendungen - Elektrische Sicherheit, Erdung und Rückleitung - Teil 1: Schutzmaßnahmen gegen elektrischen Schlag

Installations Fixes pour applications ferroviaires - Sécurité électrique, mise à la terre et circuit de retour - Partie 1: Mesures de protection contre les chocs électriques

Fiksni postroji za železniške naprave - Električna varnost, ozemljitev in povratni tokokrog - 1. del: Zaščitni ukrepi proti električnemu udaru

General Information

Status
Not Published
Publication Date
24-Jun-2025
ICS
29.280 - Electric traction equipment
Technical Committee
CLC/TC 9X - Electrical and electronic applications for railways
Drafting Committee
CLC/SC 9XC - Electric supply and earthing systems for public transport equipment and ancillary apparatus (fixed i
Current Stage
4020 - Enquiry circulated - Enquiry
Start Date
19-Apr-2024
Due Date
07-Feb-2024
Completion Date
19-Apr-2024
Directive
2016/797/EU - Directive (EU) 2016/797 of the European Parliament and of the Council of 11 May 2016 on the interoperability of the rail system within the European Union (Text with EEA relevance)
Mandate
M/483 - Mandate for programming and standardisation addressed to the European standardisation bodies under directive 2008/57/EC in the field of the interoperability of the rail system within the European Union
M/591 - Standardisation request to the European Committee for Standardisation and the European Committee for Electrotechnical Standardisation as regards railway products in support of Directive (EU) 2016/797
Ref Project
SIST EN 50122-1:2022/oprA1:2024 - Fixed installations for railway applications - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock

Relations

Amends
EN 50122-1:2022 - Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock
Effective Date
14-Feb-2023

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50122-1:2022/oprA1:2024
01-junij-2024
Fiksni postroji za železniške naprave - Električna varnost, ozemljitev in povratni
tokokrog - 1. del: Zaščitni ukrepi proti električnemu udaru
Fixed installations for railway applications - Electrical safety, earthing and the return
circuit - Part 1: Protective provisions against electric shock
Ortsfeste Anlagen für Bahnanwendungen - Elektrische Sicherheit, Erdung und
Rückleitung - Teil 1: Schutzmaßnahmen gegen elektrischen Schlag
Installations Fixes pour applications ferroviaires - Sécurité électrique, mise à la terre et
circuit de retour - Partie 1: Mesures de protection contre les chocs électriques
Ta slovenski standard je istoveten z: EN 50122-1:2022/prA1:2024
ICS:
13.260 Varstvo pred električnim Protection against electric
udarom. Delo pod napetostjo shock. Live working
29.280 Električna vlečna oprema Electric traction equipment
SIST EN 50122-1:2022/oprA1:2024 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 50122-1:2022/oprA1:2024

---------------------- Page: 2 ----------------------
SIST EN 50122-1:2022/oprA1:2024


EUROPEAN STANDARD DRAFT
EN 50122-1:2022
NORME EUROPÉENNE

EUROPÄISCHE NORM
prA1
April 2024
ICS 29.280 -
English Version
Fixed installations for railway applications - Electrical safety,
earthing and the return circuit - Part 1: Protective provisions
against electric shock
Installations Fixes pour applications ferroviaires - Sécurité Ortsfeste Anlagen für Bahnanwendungen - Elektrische
électrique, mise à la terre et circuit de retour - Partie 1: Sicherheit, Erdung und Rückleitung - Teil 1:
Mesures de protection contre les chocs électriques Schutzmaßnahmen gegen elektrischen Schlag
This draft amendment prA1, if approved, will modify the European Standard EN 50122-1:2022; it is submitted to CENELEC members for
enquiry.
Deadline for CENELEC: 2024-07-12.

It has been drawn up by CLC/SC 9XC.

If this draft becomes an amendment, CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this amendment the status of a national standard without any alteration.

This draft amendment was established by CENELEC in three official versions (English, French, German).
A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to
the CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.



European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Project: 77507 Ref. No. EN 50122-1:2022/prA1:2024 E

---------------------- Page: 3 ----------------------
SIST EN 50122-1:2022/oprA1:2024
EN 50122-1:2022/prA1:2024 (E)
1 Contents Page
2 European foreword . 4
3 1 Modification to the Title . 5
4 2 Modification to 3.1, Electrical safety and hazards . 5
5 3 Modifications to 3.3, Return circuit . 5
6 4 Modifications to 3.4, Electric traction power supply system . 6
7 5 Modifications to 3.5, Contact line . 6
8 6 Modifications to 3.6, Corrosion and corrosion protection . 6
9 7 Modifications to 3.9, Ge
...

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