UIC 546

Railway Electropneumatic Brake Systems

UIC 546 specifies technical requirements, testing procedures, and homologation conditions for electropneumatic braking systems and related devices used in passenger train rolling stock. Electropneumatic brakes provide rapid, coordinated braking across train consists by using electrical signals to control pneumatic brake application, improving safety and precision compared to traditional pneumatic systems. This standard ensures interoperability and safety of electropneumatic brake equipment across European rail networks. Accreditation for UIC 546 testing is essential for equipment manufacturers and railway operators deploying modern passenger train fleets with integrated brake control systems.

What it measures

  • Electrical signal transmission and response time
  • Pneumatic brake modulation and control precision
  • Brake force consistency across train consist
  • System reliability and fail-safe operation
  • Electromagnetic compatibility and durability
🇩🇪 DIN EN 61375-1 🇬🇧 BS EN 61375-1 🇫🇷 NF EN 61375-1 🇮🇹 UNI EN 61375-1 🇪🇸 UNE EN 61375-1 🇳🇱 NEN EN 61375-1 🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
1,323 Accredited labs
15 Countries

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Laborarztpraxis Rhein-Main MVZ GmbH & Co. e

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DAkkS D-ML-18474-01-01 Frankfurt am Main, DE
17-OH-Progesteron Androstendion Everolimus Metanephrin, Normetanephrin Methylmalonsäure + 3 more
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Laboratoire de Microbiologie RD&E

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COFRAC 1-6419 Sainghin-En-Melantois, FR
DIN EN 17126 DIN EN 14562 DIN EN 14348 IEC 60127-5 DIN EN 14563 + 3 more
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LEAV

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COFRAC 1-1064 La Roche-Sur-Yon Cedex 9, FR
DIN ISO 11665-4 DIN 53483-2 DIN EN ISO 7937 NF V08-050 NF V 08-060 + 3 more
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Laborgemeinschaft Berlin - Labor 28

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DAkkS D-ML-17159-01-00 Berlin, DE
Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Hämatokrit Leukozyten + 3 more
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Laborgemeinschaft Köln

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DAkkS D-ML-18033-01-00 Köln, DE
Liste aller Untersuchungsverfahren im fl Webpräsenz des Medizinischen Laboratoriu HbA1c Basophile Basophile absolut + 3 more
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Laborgemeinschaft Odenwald

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DAkkS D-ML-18493-01-00 Darmstadt, DE
HbA1c Großes Blutbild Kleines Blutbild Retikulocyten Natriumchlorid + 3 more
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Laborärzte Sindelfingen

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DAkkS D-ML-13247-01-01 Sindelfingen, DE
Ristocetin Kofactor Aktivität Willibrand Faktors a-Hydroxy-Alprazolam Amilsulprid 7-amino-Flunitrazepam + 3 more
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Lambda Calibration

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UKAS 0495 Chorley, GB
PRESSURE (cont’d) Distortion Factor Spot frequency Phase angle (Herpes simplex virus type + 3 more
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Lambeth Scientific Services

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UKAS 0937 Chessington, GB
(HSG 248) – 2021 (PCM) based on HSG 248 P-12 based on HSG 248
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Lancashire County Scientific Services

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UKAS 0625 Preston Riversway Docklands, GB
(HSG 248) – 2021 (PCM) based on HSG 248 ISO 12966-2 F06 6 & F06 5 based on BS EN F05 4 based on BS 770:Part + 3 more
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Landesuntersuchungsanstalt für das Gesundheits- und Veterinärwesen Sachsen

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DAkkS D-ML-18515-01-00 Dresden, DE
GPT GOT GGT Salmonellen Shigellen + 3 more
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Leadec BV &

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DAkkS D-K-21171-01-01 Chemnitz, DE
Gleichspannung 33 mV Messgeräte 0,33 V 330 V Gleichstromstärke 33 µA Messgeräte 0,33 mA + 3 more
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Leftfield Environmental

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UKAS 6998 Port Talbot, GB
(HSG 264, 2012)
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Leftfield Environmental

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UKAS 4707 Port Talbot, GB
(HSG 248) – 2021 LSOP6 based on HSG 248 (PCM) based on HSG 248
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Lehren- und Meßgerätewerk Schmalkalden GmbH LMW-Kalibrierservice

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DAkkS D-K-21443-01-00 Schmalkalden, DE
(ein- und mehrgängige zylindrische Außen- und symmetrischem und unsymmetrischem Profil) Außengewinde + 3 more
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Leibniz-Institut für Ostseeforschung Warnemünde (IOW) Analytik-Gruppe (Kalibrierlabor) des IOW

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DAkkS D-K-14544-01-00 Rostock-Warnemünde, DE
Taupunkttemperatur - Direktanzeigende Thermometer (SPRT) *) thermometer *) −2 °C bis Transmitter und + 3 more
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Leibniz-Institut für Werkstofforientierte Technologien - IWT Amtliche Materialprüfungsanstalt der Freien Hansestadt Bremen

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DAkkS D-PL-11240-01-01 Bremen, DE
DIN EN 60601-2-4 IEC 60512-4-1 DIN EN 124-2 IEC 60512-4-3 DIN EN 60601-2-44 + 3 more
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Life Environmental Services

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UKAS 0610 Bishop's Stortford, GB
(HSG 248) – 2021 QSOP 01 based on HSG 248 (PCM) based on HSG 248 QSOP 03 based on HSG 248
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Life Environmental Services

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UKAS 0340 Bishop's Stortford, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004)
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Limbach Nord GmbH MVZ Labor Limbach Lehrte

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DAkkS D-ML-21457-02-00 Lehrte, DE
Aluminium Blei Eisen, Kupfer Ampicillin Cefepim + 3 more
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Linde GmbH Linde Gas Deutschland

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DAkkS D-K-21622-01-00 Unterschleißheim, DE
anteile Kohlenstoffmonoxid Kohlenstoffdioxid Methan Ethan + 3 more
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Linsch Consultants

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UKAS 2432 Newport, GB
(HSG 248) – 2021 staining based on HSG 248
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Liverpool University Hospitals NHS Foundation Trust

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UKAS 9656 70 Pembroke Place, GB
accordance with (EN ISO 14644- BS EN ISO 14644-1:2015
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Logical Compliance

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UKAS 29622 Chelmsford, GB
(HSG 264, 2012)
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London Borough of Enfield

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UKAS 1119 Enfield, GB
staining based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248
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Industries

Passenger rolling stock manufacturers Electropneumatic brake system suppliers Railway operators and fleet managers Railway vehicle certification and testing Rail infrastructure and safety authorities

Related Standards

  • UIC 544-1 Railway brakes — Braking performance
  • EN 61375-1 Railway applications — Train communication network (TCN) — Part 1: Fundamental principles
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

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