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 344 labs

Scientific Electro Systems

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UKAS 0772 Rochford, GB
TORQUE increasing torque only.
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Scientific Services

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UKAS 2577 Redruth, GB
(HSG 248) – 2021 D3TA2 based on HSG 248 (PCM) based on HSG 248 D3TA8 based on HSG 248
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Scope iT

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UKAS 9086 Manchester, GB
Appendix 5 of HSG 227 (2004)) (HSG 264, 2012)
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Scopus Asbestos Compliance

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UKAS 10483 Ossett, GB
(HSG 248) – 2021 SAC-SOP-15 based on HSG 248 SAC-SOP-07 based on HSG 248 staining based on HSG 248
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SembCorp Utilities (UK)

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UKAS 2210 Wilton International, GB
(HSG 248) – 2021 DI/AN/ME/025 based on HSG 248 DI/AN/ME/001 based on HSG 248 DI/AN/ME/026 based on HSG 248 (PCM) based on HSG 248
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ServiceCal

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UKAS 0152 Heywood, GB
PRESSURE (cont’d) DC CURRENT DC VOLTAGE CFH-Gen, Macula-Degeneration Measurement + 3 more
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Sheffield Calibration Services

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UKAS 9157 Sheffield, GB
LENGTH Plain plug gauges (parallel) Internal Caliper LENGTH (cont’d) + 3 more
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Shirley Technologies

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UKAS 1066 Leeds, GB
ASTM E 2149-20 BS EN ISO 20743:2021 Section ISO 14119 BS EN ISO 20645:2004 BS 1425-1:1991 Appendix A + 3 more
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Sigma-HSE (UK)

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UKAS 9248 Winall, GB
DIN EN 13821 Sigma-HSE (UK) Ltd DIN EN 14034-1 BS EN ISO/IEC 80079-20-2:2016 DIN EN 14034-2 + 3 more
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Somerset Council

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UKAS 0369 Wellington, GB
(HSG 248) – 2021 R24 based on HSG 248 staining based on HSG 248
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Southern Calibration Laboratories

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UKAS 0080 Hedge End, GB
ELECTRICAL CALIBRATION DC RESISTANCE (continued) DC Resistance AC VOLTAGE (continued) AC CURRENT + 3 more
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Southern Microbiological Services

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UKAS 1922 Near Wellington, GB
based on BS EN ISO 6579-1: ISO 21528-2 ISO 21149:2017+Amd1:2022 DIN EN ISO 18415 method based on BS ISO 16649-2: + 3 more
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Special Testing

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UKAS 0046 Sheffield, GB
ASTM A 370 ASTM E 384 ASTM E 92 ASTM E 23 ISO 6506-1 + 3 more
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Speciality Steel UK

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UKAS 4337 Sheffield, GB
ISO 3651-2 ASTM E 384-22 ASTM E10-23 ISO 6506-1 ASTM A262-15(2021) Practice E + 3 more
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Spectra Analysis Services

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UKAS 2621 Basildon, GB
QOP01 based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248 (HSG 264, 2012) Appendix 5 of HSG 227 (2004))
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Spera Consulting

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UKAS 10772 Birmingham, GB
(HSG 264, 2012)
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Sperrin Technical Laboratories

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UKAS 10817 Moneymore, GB
AM01 based on BS EN ISO 4833-1: AM03 based on BS EN ISO 11290- AM05 based on BS ISO 21528-2: AM08 based on BS EN ISO 15213-2:2023 by AM12 based on BS EN + 3 more
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Springfields Fuels

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UKAS 1170 Salwick, GB
LMM2149, ASTM E112-13 by ISO 6507-1 LMM2207, ASTM E112-13 by LMM1862, ASTM E112-13 for to BS EN ISO 6507-1:2018 + 3 more
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Starna Scientific

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UKAS 0659 Hainault, GB
Sealed liquid cells containing prepared from NIST SRM 935a Toluene/Hexane Neutral density glass filters Neutral density glass filter + 3 more
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Storm Aviation

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UKAS 26223 Little Canfield, GB
TORQUE Hydraulic pressure (gauge)
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Surrey County Council

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UKAS 0731 Guildford, GB
DIN EN 933-11 DIN EN 1097-6 DIN EN 1097-1 DIN EN 1097-2 DIN EN 933-3 + 3 more
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Swindon Asbestos Surveying

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UKAS 4608 Swindon, GB
(HSG 264, 2012)
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Sychem

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UKAS 25291 Chandler's Ford, GB
parameters and ranges)
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T-SQUARED Validair

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UKAS 4264 Co Durham, GB
ISO 14644-3 DIN EN 12469 BS 7989:2001 BS EN ISO 14644-1:2015 DIN EN 14175-3 + 1 more
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TORUS Measurement Systems

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UKAS 0773 Telford, GB
LENGTH
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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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