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
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IHP Institut für Hämostaseologie und Pharmakologie MVZ

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ASTM F1978 ASTM G195 DIN EN ISO 4287 DIN EN ISO 4288 DIN EN ISO 5470-1 + 3 more
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IMD Institut für Medizinische Diagnostik Berlin-Potsdam GbR IMD Berlin MVZ

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Fettsäureprofil der Erythrozytenmembran Kurzkettige Fettsäuren MMA (Methylmethacrylat) Gesamtporphyrine + 3 more
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IMD Institut für Medizinische Diagnostik Berlin-Potsdam GbR IMD Potsdam MVZ

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IMD Labor Oderland GmbH MVZ Ärztliches Labor Frank Berthold und Kollegen

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HbA1c Eosinophile, Basophile, MCV, MCH) Retikulozyten Urinsediment Elektrolyte (Kalium, Natrium, Chlorid) + 3 more
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ACCREDIA 00013 Milano, IT
DIN EN 62053-23: 2017-09 DIN EN ISO 11816-1 IEC 62109-1 IEC 60598-2-2 DIN EN 62053-24 + 3 more
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INERCO INSPECCIÓN Y CONTROL

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ENAC LE774 Sevilla, ES
UNE-EN 15259 UNE-EN 13284-1 UNE 77225 EPA 8 UNE 77227 + 3 more
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INNONATION

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ACCREDIA 02189 Catania, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
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INOVALYS - Site de Nantes

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NF V 05-116 NF V 04-415 NF V 04-407 NF V04-403 NF V04-401 + 3 more
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INSTAND e.V. - Gesellschaft zur Förderung der Qualitätssicherung in medizinischen Laboratorien e.V. Kalibrierlabor

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Plasma, Serum, Plasma 0,5 mmol/L Plasma, Serum, Plasma 50 mmol/L Plasma, Serum, Plasma Material Urin + 3 more
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INSTITUT PASTEUR DE MADAGASCAR Laboratoire d'Hygiène des Aliments et de l'Environnement

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DIN EN ISO 7932 DIN EN ISO 22964 NF V08-059 DIN EN ISO 6579-1 NF V08-036 + 3 more
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INSTITUTO DE CIENCIAS DE LA CONSTRUCCIÓN EDUARDO TORROJA (IETcc) DE LA AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTÍFICAS (CSIC).

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ENAC LE2284 Madrid, ES
UNE-EN 12667 UNE-EN 14509 UNE-EN ISO 29470 UNE-EN 826 UNE-EN 1607 + 3 more
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ENAC LC10.007 Torrejón de Ardoz, ES
ISO 16063-21 EN 55016-1-6 CEM EL-025 UNE-EN ISO 376 UNE-EN ISO 7500-1 + 3 more
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ENAC LE1285 Torrejón de Ardoz, ES
UNE-EN ISO 10704 UNE 73350-1 UNE 73311-5 ISO 11665-4 UNE 31010 + 1 more
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INSTITUTO TECNOLOGICO DE ARAGON (ITA)

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ENAC LE257 Zaragoza, ES
IEC 61000-4-13: 2002 DIN EN 50121-3-2 IEC 61000-3-2: 2014 DIN EN 60601-1-2 IEC 61000-3-3 + 3 more
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INSTITUTO TECNOLÓGICO Y GRÁFICO TAJAMAR, (ITGT) DEL CENTRO CULTURAL Y DEPORTIVO TAJAMAR

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ENAC LC10.149 Madrid, ES
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ENAC LE1286 Bétera, ES
DIN EN 1040 DIN EN 1656 DIN EN 14561 IEC 60127-6 DIN EN 13727 + 3 more
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ENAC LC10.164 Prat de Llobregat, ES
(500 ± 50) mPa · s (12500 ± 1250) mPa ·
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ENAC LC10.091 Cabrils, ES
2 · 10-6 mol/mol  C  100 · 10-6 mol/mo
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INTERTEK France

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COFRAC 1-1296 Heudebouville, FR
DIN EN ISO 1833-6 DIN EN ISO 1833-2 DIN EN ISO 1833-7 DIN EN ISO 1833-1 DIN EN ISO 1833-20 + 3 more
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IPH Institut "Prüffeld für elektrische Hochleistungstechnik"

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DAkkS D-PL-12107-01-00 Berlin, DE
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DIN EN 1230-1 EN 1230-2 DIN 10955 DIN ISO 8784-1 DIN 54378 + 3 more
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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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