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EN 50123-3:2003

(Main)

Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches

Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches

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".

Bahnanwendungen - Ortsfeste Anlagen - Gleichstrom-Schalteinrichtungen - Teil 3: Gleichstrom-Trennschalter, -Lasttrennschalter und -Erdungsschalter für Innenräume

Applications ferroviaires - Installations fixes - Appareillages à courant continu - Partie 3: Interrupteurs-sectionneurs, sectionneurs et sectionneurs de terre pour l'intérieur

Železniške naprave – Stabilne naprave električne vleke – Stikalne naprave za enosmerni tok – 3. del: Ločilniki in odklopni ločilniki za enosmerni tok v zaprtih prostorih

Ta del standarda EN 50123 določa zahteve za ločilnike, odklopne ločilnike in ozemljitvena stikala za enosmerni tok za stabilne naprave vlečnih sistemov v zaprtih prostorih.

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
Ref Project
SIST EN 50123-3:2003 - Railway applications - Fixed installations - D.C. switchgear -- Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches

Relations

Replaces
EN 50123-3:1995 - Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches
Effective Date
28-Jan-2023
Amended By
EN 50123-3:2003/A1:2013 - Railway applications - Fixed installations - D.C. switchgear - Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches
Effective Date
22-Jan-2013

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.SURVWRULKBahnanwendungen - Ortsfeste Anlagen - Gleichstrom-Schalteinrichtungen -- Teil 3: Gleichstrom-Trennschalter und -Lasttrennschalter und -Erdungsschalter für InnenräumeApplications ferroviaires - Installations fixes - Appareillages à courant continu -- Partie 3: Interrupteurs-sectionneurs, sectionneurs et sectionneurs de terre pour l'intérieurRailway applications - Fixed installations - D.C. switchgear -- Part 3: Indoor d.c. disconnectors, switch-disconnectors and earthing switches29.280Electric traction equipment29.130.99Druge stikalne in krmilne napraveOther switchgear and controlgearICS:Ta slovenski standard je istoveten z:EN 50123-3:2003SIST EN 50123-3:2003en01-maj-2003SIST EN 50123-3:2003SLOVENSKI
STANDARDSIST EN 50123-3:19981DGRPHãþD



SIST EN 50123-3:2003



EUROPEAN STANDARD
EN 50123-3 NORME EUROPÉENNE EUROPÄISCHE NORM
February 2003 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 50123-3:2003 E
ICS 29.160.60; 45.020 Supersedes EN 50123-3:1995
English version
Railway applications – Fixed installations – D.C. switchgear Part 3: Indoor d.c. disconnectors, switch-disconnectors
and earthing switches
Applications ferroviaires –
Installations fixes –
Appareillages à courant continu Partie 3: Interrupteurs-sectionneurs, sectionneurs et sectionneurs de terre
pour l'intérieur
Bahnanwendungen –
Ortsfeste Anlagen –
Gleichstrom-Schalteinrichtungen Teil 3: Gleichstrom-Trennschalter,
-Lasttrennschalter und -Erdungsschalter für Innenräume
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.
SIST EN 50123-3:2003



EN 50123-3:2003 – 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 Unique Acceptance Procedure and was approved by CENLEC as EN 50123-3 on 2002-09-01. This European Standard supersedes EN 50123-3:1995 + corrigendum September 1996. It has been prepared taking into account IEC 61992-3 in order to align technically as much as possible this EN 50123-3 and IEC 61992-3. 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 This Part 3 is to be used in conjunction with EN 50123-1:2003. Annexes designated “informative” are given for information only.
In this standard, annex A is informative. __________ SIST EN 50123-3:2003



– 3 – EN 50123-3:2003 Contents
1 Scope.4 2 Normative references.4 3 Definitions.4 4 Service requirements.4 5 Characteristics of the unit.4 5.1 Enumeration of the characteristics.4 5.2 Type of unit.
...

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This EN 50152-1 is applicable to single-pole and two-pole alternating current (a.c.) circuit-breakers which are: - for indoor or outdoor fixed installations in tractions systems, and - operated with an a.c. line voltage and frequency as specified in EN 50163. NOTE 1 EN 50163 specifies the a.c. traction systems 15 kV 16,7 Hz and 25 kV 50 Hz. NOTE 2 As rails of a.c. traction systems are connected to earth and included in the return current path all phase to earth voltages will be within the tolerances as specified in EN 50163. Nevertheless phase to phase voltages are sometimes higher e.g. in autotransformer systems. This European Standard is also applicable to the operating devices of circuit-breakers and to their auxiliary equipment. This European Standard does not address circuit-breakers with dependent manual operating mechanism. NOTE 3 It is impossible to specify a rated short-circuit making current for these circuit-breakers and it is likely that such dependent manual operation is not meeting safety considerations.

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This European Standard covers d.c. metal-enclosed and non-metallic enclosed switchgear assemblies used in indoor stationary installations of traction systems, with nominal voltage not exceeding 3 000 V. It is intended that individual items of equipment, for example circuit breakers, housed in the assembly are designed, manufactured and individually tested (simulating the enclosure when necessary) in accordance with their respective parts of EN 50123 or, when appropriate, with another applicable standard. NOTE 1 The requirements covered in this European Standard are those concerning the assembly as such, its enclosure and the mutual influence of the equipment enclosed. NOTE 2 EMC requirements are covered by EN 50121-5 and additional requirements concerning dependability (RAMS) are covered by EN 50126.

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