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
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 61375-1 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 61375-1 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 61375-1 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 61375-1 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 61375-1 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 61375-1 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN 14531-1 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN 14531-1 ๐Ÿ‡ซ๐Ÿ‡ท NF EN 14531-1 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN 14531-1 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN 14531-1 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN 14531-1
1,323 Accredited labs
15 Countries

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Cardiff and Vale University Health Board, operating as WEQAS

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UKAS 4301 Llanishen, GB
Electrolytes in blood serum: Enzymes in blood serum: (Chlamydia pneumoniae, Mycoplasma urine: Hormones in blood serum: + 1 more
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Carymar Construction Services

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UKAS 27202 Paisley, GB
(HSG 264, 2012)
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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(cdt), Deletion an Pos 117 (HSG 248) โ€“ 2021 (PCM) based on HSG 248 BS 6068-4.12:1998 (withdrawn)
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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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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) โ€“ 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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Common Services Agency โ€“ 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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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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Core Surveys

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UKAS 6830 Fletching Common, GB
(HSG 248) โ€“ 2021 (PCM) based on HSG 248 (HSG 264, 2012)
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Corserv Solutions

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UKAS 0756 Redruth, GB
DIN EN 933-1 (PCM) based on HSG 248 (HSG 248) โ€“ 2021 DIN EN 932-1 DIN EN 932-2 + 3 more
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Crucial Environmental

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UKAS 9418 Worthing, GB
(HSG 264, 2012)
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Crusader Risk Management

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UKAS 31255 Swinton, GB
(HSG 264, 2012)
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Cube Environmental

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UKAS 6856 Basildon, GB
(HSG 248) โ€“ 2021 (HSG 264, 2012)
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DH Budenberg A division of WIKA Instruments

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UKAS 0138 Irlam, GB
Gas pressure (absolute) Gas pressure (gauge) Hydraulic pressure (gauge) Hydraulic Pressure (absolute) PRESSURE (contโ€™d) + 1 more
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DNKA

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UKAS 9730 Govan, GB
staining based on HSG 248. (PCM) based on HSG 248 (HSG 248) โ€“ 2021 QSOP 03 based on HSG 248 QSOP 01 based on HSG 248
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Decus Research

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UKAS 4303 Ammanford, GB
1) MS08P based on BS EN ISO MS02P based on BS EN ISO MS03P based on BS EN ISO MS06P based on BS EN ISO MF07P based on BS EN ISO + 3 more
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Devonport Royal Dockyard

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UKAS 0254 Plymouth, GB
Specific Values 1 ๏— RF Power RF Attenuation 10 MHz to 1 GHz Other values -20 dBm to +20 dBm
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Devonport Royal Dockyard

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UKAS 0687 Devonport, GB
BS 4206:1967 (superseded) ISO 5173 ISO 7438 BS EN ISO 9606-2:2004 BS 131-5:1965 + 3 more
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Don Whitley Scientific

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UKAS 0560 Bingley, GB
TIME INTERVAL TEMPERATURE parameters and ranges)
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E C L (2000)

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UKAS 0709 Forest Hall, GB
(PCM) based on HSG 248) (HSG 248) โ€“ 2021
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EDP Health Safety and Environment Consultants

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UKAS 9982 Waterside Court, GB
and Appx. 3 of HSG 227 (2004)) in Appendix 5 of HSG 227 (2004) guides HSG 264 (2012) and (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 โ€” Braking performance
  • EN 61375-1 Railway applications โ€” Train communication network (TCN) โ€” Part 1: Fundamental principles
  • EN 14531-1 Railway applications โ€” Safety requirements for the design of rolling stock

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