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
1,560 Accredited labs
17 Countries

Showing 276–300 of 1,560 labs

Casa Environmental Services

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UKAS 7914 Willsbridge, GB
5 of HSG 227 (2004)) (HSG 264, 2012)
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Cavendish Laboratories

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UKAS 1643 Chelmsford, GB
(cdt), Deletion an Pos 117 (HSG 248) – 2021 (PCM) based on HSG 248 BS 6068-4.12:1998 (withdrawn)
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CeGaT

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DAkkS D-ML-13206-01-01 Tübingen, DE
angeborener Chromosomensatz (Imbalancen im Genom, (Duplikationen/Del SNRPN-Region 15q11-13 UPD15 (UBE3A) SMN1; Spinale Muskelatrophie + 3 more
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Cenata

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DAkkS D-ML-21205-01-01 Tübingen, DE
Pränatales Screening auf Chromosomenstörungen (Trisomie 21, Trisomie 18, Trisomie 13, X0, XXX, XXY, XYY, XXYY, 22q11 (DiGe
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Chamois Metrology

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UKAS 0822 Southam, GB
Calibration of pressure Gas pressure (gauge) Gas Pressure (Differential) common mode pressure of 3.5 Hydraulic pressure (gauge) + 3 more
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Charité - Universitätsmedizin Berlin Institut für Pathologie

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DAkkS D-ML-13008-09-01 Berlin, DE
Whole genome sequencing (WGS: SNV, CNV/SV)
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Charité - Universitätsmedizin Berlin Neugeborenenscreeninglabor

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DAkkS D-ML-13008-01-00 Berlin, DE
Thyreoidea stimulierendes (TSH) 17-α-OH-Progesteron (17-OH-P) Immunreaktives Trypsin + 3 more
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Charnwood Instrumentation Services

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UKAS 0513 Coalville, GB
Liquid-in-glass thermometers ASTM D4052 (Digital density
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CheckImmune

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DAkkS D-ML-21360-01-00 Berlin, DE
Leukozytenzahl B-Zellzahl (Immunstatus Rezeptor-Besatz HLA-DR Leukozytensubpopulationen + 3 more
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Chelab

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ACCREDIA 00051 Resana, IT
ISO 9308-1 ISO 7899-2 ISO 17410 ISO 16266 ISO 19250 + 3 more
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Chemlab Gesellschaft für Analytik und Umweltberatung

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DAkkS D-PL-14010-01-04 Bensheim, DE
DIN 38402-A 13 DIN ISO 5667-5 (A 14) DIN 38402-A 30 DIN 19643-1 ISO 5667-11 + 3 more
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Cirrus Research

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UKAS 10148 Humanby, GB
Sound Calibrators Sound Level Meters One-third octave band filters
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Clearview Environmental

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UKAS 6536 Leicester, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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Clyde Environmental Consultants

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UKAS 9102 Bellshill, GB
(HSG 248) – 2021 SRV-002 based on HSG 248 (PCM) based on HSG 248
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CoMech Metrology

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UKAS 0318 Derby, GB
Chronic progressive external Depth Internal Dial gauges and dial test Caliper + 3 more
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Coesfeld

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DAkkS D-K-15093-01-00 Dortmund, DE
Kraft (WPM) Belastungseinrichtungen von Werkstoffprüfmaschinen Länge (WPM) 0,5 mm messeinrichtungen von + 3 more
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Common Services Agency – NHS National Services Scotland

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UKAS 0595 1 South Gyle Crescent, GB
simulation. parameters and ranges) digital and analogue
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Compli Group

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UKAS 4332 Poole, GB
DC CURRENT DC Resistance Oscilloscope Calibration DC VOLTAGE CAPACITANCE + 3 more
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ConCert Servicezentrum Bayerischer Untermain

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DAkkS D-K-17132-01-00 Elsenfeld, DE
Messgeräte 0,001 V > 0,22 V > 2,2 V > 11 V > 22 V + 3 more
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Conatex Ludwig Colbus

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DAkkS D-K-15160-01-00 St. Wendel, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Taupunkttemperatur Temperatur −40 °C Railway braking — urban guided transport + 3 more
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Construction Testing Solutions

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UKAS 4161 Leicester Forest East, GB
DIN EN 933-11 DIN EN 12390-3 DIN EN 933-3 DIN EN 12390-7 DIN EN 12697-5 + 3 more
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Construction Testing Solutions

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UKAS 0783 Duckmanton, GB
DC CURRENT LENGTH DC Resistance DC VOLTAGE Cold junction compensation + 3 more
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Control Union Certifications

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RvA I192 Zwolle, NL
DIN 10172-3 (CD45/CD19/CD5/CD20/CD23/CD20
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Cooper Health Clinic Laboratory

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DAkkS D-ML-21351-01-00 Dubai, AE
Chloride Potassium Sodium Differential Blood Count White Blood Cell Count + 3 more
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Core Surveys

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UKAS 6830 Fletching Common, GB
(HSG 248) – 2021 (PCM) based on HSG 248 (HSG 264, 2012)
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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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