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EN 50123-1:2003

(Main)

Railway applications - Fixed installations - D.C. switchgear - Part 1: General

Railway applications - Fixed installations - D.C. switchgear - Part 1: General

The EN 50123 series specifies requirements for d.c. switchgear and controlgear and is intended to be used in fixed electrical installations with nominal voltage not exceeding 3 000 V d.c., which supply electrical power to vehicles for public guided transport, i.e. railway vehicles, tramway vehicles, underground vehicles and trolley-buses. Part 1 specifies general requirements. The other parts are covering Part 2 D.C. circuit breakers, Part 3 Indoor d.c. disconnectors, switch-disconnectors and earthing switches, Part 4 Outdoor d.c. disconnectors, switch-disconnectors and earthing switches, Part 5 Surge arresters and low voltage limiters for specific use in d.c. systems, Part 6 D.C. switchgear assemblies, Part 7 1 Measurement, control and protection devices for specific use in d.c. traction systems – Application guide, Part 7 2 Measurement, control and protection devices for specific use in d.c. traction systems – Isolating current transducers and other current measuring devices, Part 7 3 Measurement, control and protection devices for specific use in d.c. traction systems –Isolating voltage transducers and other voltage measuring devices

Bahnanwendungen - Ortsfeste Anlagen - Gleichstrom-Schalteinrichtungen - Teil 1: Allgemeines

Applications ferroviaires - Installations fixes - Appareillage à courant continu - Partie 1: Généralités

Železniške naprave – Stabilne naprave električne vleke – Stikalne naprave za enosmerni tok – 1. del: Splošno

General Information

Status
Published
Publication Date
27-Feb-2003
ICS
29.280 - Electric traction equipment
45.020 - Railway engineering in general
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
Parallel Committee
IEC/TC 9 - IEC_TC_9
Current Stage
9093 - Decision to confirm - Review Enquiry
Completion Date
14-Sep-2022
Directive
96/48/EC - Interoperability of the trans-European high-speed rail system
Ref Project
SIST EN 50123-1:2003 - Railway applications - Fixed installations - D.C. switchgear -- Part 1: General

Relations

Replaces
EN 50123-1:1995 - Railway applications - Fixed installations - D.C. switchgear - Part 1: General
Effective Date
28-Jan-2023

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50123-1:2003
01-maj-2003
1DGRPHãþD
SIST EN 50123-1:1998
äHOH]QLãNHQDSUDYH±6WDELOQHQDSUDYHHOHNWULþQHYOHNH±6WLNDOQHQDSUDYH]D
HQRVPHUQLWRN±GHO6SORãQR
Railway applications - Fixed installations - D.C. switchgear -- Part 1: General
Bahnanwendungen - Ortsfeste Anlagen - Gleichstrom-Schalteinrichtungen -- Teil 1:
Allgemeines
Applications ferroviaires - Installations fixes - Appareillage à courant continu -- Partie 1:
Généralités
Ta slovenski standard je istoveten z: EN 50123-1:2003
ICS:
29.130.99 Druge stikalne in krmilne Other switchgear and
naprave controlgear
29.280 (OHNWULþQDYOHþQDRSUHPD Electric traction equipment
SIST EN 50123-1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

SIST EN 50123-1:2003

---------------------- Page: 2 ----------------------

SIST EN 50123-1:2003
EUROPEAN STANDARD EN 50123-1
NORME EUROPÉENNE
EUROPÄISCHE NORM February 2003

ICS 29.120.60; 45.020 Supersedes EN 50123-1:1995


English version


Railway applications –
Fixed installations – D.C. switchgear
Part 1: General


Applications ferroviaires –  Bahnanwendungen –
Installations fixes – Ortsfeste Anlagen –
Appareillage à courant continu Gleichstrom-Schalteinrichtungen
Partie 1: Généralités Teil 1: Allgemeines






This European Standard was approved by CENELEC on 2002-09-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta,
Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels


© 2003 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 50123-1:2003 E

---------------------- Page: 3 ----------------------

SIST EN 50123-1:2003
EN 50123-1:2003 – 2 –
Foreword
This European Standard was prepared by SC 9XC, Electric supply and earthing systems for public
transport equipment and ancillary apparatus (fixed installations), of the Technical Committee CENELEC
TC 9X, Electrical and electronic applications for railways.
The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50123-1 on
2002-09-01.
This European Standard supersedes EN 50123-1:1995. It has been prepared taking into account
IEC document 9/578/FDIS (61992-1) in order to align technically as much as possible this EN 50123-1
and IEC 61992-1. These documents are to be considered as technically equivalent except for those
references and peculiarities which are due to the European standardisation in the railway application field.
The following dates were fixed:
- latest date by which the EN has to be implemented
 at national level by publication of an identical
 national standard or by endorsement (dop) 2003-09-01

- latest date by which the national standards conflicting
 with the EN have to be withdrawn (dow) 2005-09-01

Annexes designated “normative” are part of the body of the standard.
Annexes designated “informative” are given for information only.
In this standard, Annexes A, B and C are normative and Annexes D and E are informative.
_____________

---------------------- Page: 4 ----------------------

SIST EN 50123-1:2003
– 3 – EN 50123-1:2003
Contents

1 Scope.4
2 Normative references .4
3 Definitions .6
3.1 General terms.6
3.2 Performance characteristics.
...

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EN 50123-3:2003(Main)
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This part of EN 50123 specifies requirements for d.c. disconnectors, switch-disconnectors and earthing switches for use in indoor fixed installations of traction systems. NOTE 1 Switchgear assemblies, electromagnetic compatibility (EMC) and dependability are not covered in this part of EN 50123, but rather by other parts of this standard or other documents as indicated in EN 50123 1. NOTE 2 In this standard the word "unit" means "disconnector and/or switch-disconnector and/or earthing switch" as defined in 3.1.4, 3.1.5 and 3.1.6 of EN 50123 1. NOTE 3 Disconnectors, switch-disconnectors and earthing switches may have electrically latched mechanisms and, in such cases, may be indicated with the current term of "power contactors".

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