EN 50546:2020

SLOVENSKI STANDARD
01-december-2020
Nadomešča:
SIST-TS CLC/TS 50546:2013
Železniške naprave - Vozna sredstva - Trifazni (zunanji) napajalni sistem in
konektorji za železniška vozila
Railway applications - Rolling Stock - Three phase shore (external) supply system for rail
vehicles and its connectors
Bahnanwendungen - Fahrzeuge - Dreiphasige Fremdeinspeisung für
Eisenbahnfahrzeuge
Applications ferroviaires - Matériel roulant - Systèmes d’alimentation triphasée (externe)
de quai pour les véhicules ferroviaires
Ta slovenski standard je istoveten z: EN 50546:2020
ICS:
29.120.30 Vtiči, vtičnice, spojke Plugs, socket-outlets,
couplers
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50546
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2020
ICS 29.120.30; 45.060.01 Supersedes CLC/TS 50546:2013 and all of its
amendments and corrigenda (if any)
English Version
Railway applications - Rolling Stock - Three-phase shore
(external) supply system for rail vehicles and its connectors
Applications ferroviaires - Matériel roulant - Système Bahnanwendungen - Fahrzeuge - Dreiphasiges
d'alimentation à quai (externe) triphasée des véhicules Fremdeinspeisungssystem für Schienenfahrzeuge und
ferroviaires par connecteurs zugehörige Steckverbinder
This European Standard was approved by CENELEC on 2020-08-17. 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 CEN-CENELEC
Management Centre 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 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,
Turkey and the United Kingdom.

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
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50546:2020 E
Contents
European foreword . 5
Introduction . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 General requirements . 12
4.1 Functional description . 12
4.2 System requirements . 12
4.2.1 General . 12
4.2.2 Supply voltages for the shore supply system . 13
4.2.3 Power limitation . 13
4.2.4 Emergency cut-off switch . 14
4.2.5 Earth fault system . 14
4.2.6 Prevention of-Energization of fixed connector by the vehicle . 14
4.2.7 Shore side (infrastructure) system . 14
4.2.8 Overload protection . 15
4.2.9 Traction and brake interlock . 15
4.2.10 Cables . 15
4.3 Installation — Mounting of fixed connector . 15
5 Classification . 15
5.1 General . 15
5.2 Intended use of rolling stock . 15
5.3 Location of connector on-board rolling stock . 15
6 Connector requirements . 15
6.1 General . 15
6.1.1 Voltage ratings . 15
6.1.2 Current ratings . 16
6.1.3 Connector layouts . 16
6.1.4 Connector dimensions . 16
6.1.5 Gender of the connectors . 17
6.1.6 Accepted cables. 17
6.1.7 Contact design . 17
6.1.8 Contact resistance of wired contact pair by contact type . 18
6.1.9 Wired contact voltage drop linked to the cable section . 19
6.1.10 Creepage and clearance distances . 19
6.1.11 Single person operation . 19
6.2 Marking and identification . 19
6.2.1 Identification . 19
6.2.2 Marking . 20
6.3 Scoop proof . 20
6.4 Protection against electric shock . 20
6.5 Provisions for earthing . 20
6.6 Terminations and connection methods . 21
6.6.1 Crimped connections . 21
6.6.2 Soldered connections . 21
6.6.3 Tooling . 21
6.7 Resistance to ageing . 21
6.8 Interlock . 21
6.8.1 Mechanical . 21
6.8.2 Electrical . 22
6.9 Degree of protection IP . 22
6.10 Dielectric strength . 22
6.11 Mechanical and electrical durability . 22
6.12 Harness or assembly strain relief . 22
6.13 Mechanical strength . 23
6.13.1 Insert retention in the shell . 23
6.13.2 Retention of the contacts within insert . 23
6.13.3 Durability . 23
6.13.4 Bending moment withstand . 23
6.14 Vibration and shock . 23
6.15 Insulation and insulation co-ordination . 23
6.16 Temperature classes . 23
6.17 Temperature rise . 23
6.18 Protection against corrosion . 23
6.19 Fire behaviour of materials and components . 23
6.20 Resistance to chemically active substances and to contaminating fluids . 24
6.21 Resistance to ozone . 24
6.22 Resistance to UV radiation . 24
6.23 Connector material . 24
6.24 Protective cover . 24
7 Tests . 25
7.1 Introduction . 25
7.1.1 General . 25
7.1.2 Preconditioning and preparation . 25
7.1.3 Test conditions . 25
7.2 Test schedule (EN 60512-1-100 – General – Applicable Publications) . 26
7.2.1 Test conditions for Group A .
...