UIC 540-1, 540-2

Pneumatic Brake Systems for Railway Rolling Stock

UIC 540 establishes technical requirements and test procedures for pneumatic (air) brake systems on freight and passenger trains throughout the European railway network. This standard covers design, performance, safety, and interoperability of brake components including cylinders, valves, pipes, and control systems. Railway manufacturers, brake suppliers, and infrastructure operators require testing to ensure compliance, validate equipment compatibility across different networks, and demonstrate safety performance. Accredited testing provides independent verification that brake systems meet stringent safety and reliability standards essential for railway operations.

What it measures

  • Brake force and braking deceleration (m/s²)
  • Pressure response and valve actuation times
  • Pipe and connection integrity and leakage rates
  • Brake cylinder performance and seal integrity
  • System compatibility and inter-car coupling performance
🇧🇪 NBN EN 14512 🇩🇪 DIN EN 14512 🇬🇧 BS EN 14512 🇫🇷 NF EN 14512 🇮🇹 UNI EN 14512 🇪🇸 UNE EN 14512 🇳🇱 NEN EN 14512 🇧🇪 NBN EN ISO 4413 🇩🇪 DIN EN ISO 4413 🇬🇧 BS EN ISO 4413 🇫🇷 NF EN ISO 4413 🇮🇹 UNI EN ISO 4413
3,963 Accredited labs
21 Countries

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SADEF

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COFRAC 1-0751 Aspach Le Bas, FR
DIN EN 60601-2-37 DIN EN 27888 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 11290-1 + 3 more
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SAFE Srl

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ACCREDIA 01499 Mirandola, IT
DIN EN ISO 11737-2 DIN EN 13274-7 DIN EN 12149 DIN EN ISO 11885 DIN EN ISO 14683 + 3 more
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SAFEST

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ACCREDIA 00506 Lemignano di Collecchio, IT
DIN EN ISO 3960 ISO 18787 ISO 6496 ISO 4831 ISO 4832 + 3 more
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SAGA Srl

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ACCREDIA 02350 Scurcola Marsicana, IT
ISO 6506-1 ISO 6507-1 DIN EN 14587-2 ASTM E415-21 UNI EN 14730-1
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SAGE ENVIRONNEMENT

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COFRAC 1-1635 Annecy, FR
NF T 90-333 NF T 90-388 NF T 90-354 NF T 90-395 XP T90-337 + 1 more
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SAIDLAB

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ACCREDIA 01172 Scerne di Pineto, IT
DIN EN ISO 3960 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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SAL

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DAkkS D-PL-18398-02-02 Waldems, DE
DIN EN ISO 11737-2 DIN EN ISO 17664-1 DIN EN 13060 DIN EN ISO 17665-1 DIN EN ISO 11138-7 + 3 more
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SAL Società Acqua Lodigiana srl - Laboratorio Analisi

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ACCREDIA 00323 Lodi, IT
DIN EN 27888 DIN EN ISO 12846 ISO 11731 ISO 6222 ISO 7899-2 + 3 more
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SALA PROVE BTICINO

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ACCREDIA 00044 Varese, IT
DIN EN 61439-1 IEC 61000-4-2: 2008 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-6: 2013 + 3 more
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SALCHIM

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ACCREDIA 00591 Cavriago, IT
ISO 18787 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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SALPA Soc. Agr. Cons. a.r.l.

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ACCREDIA 02357 Roseto degli Abruzzi, IT
UNI EN 15662
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SALVATI DIAGNOSTICA S.R.L. - Settore Microbiologia AcquAriAlimenti

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ACCREDIA 00677 Terni, IT
ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6888-2 DIN EN ISO 21528-2 + 3 more
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SAMPLING & ANALYSIS

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ACCREDIA 00445 San Dorligo della Valle, IT
ISO 1928 ISO 562 ISO 579 ISO 589 ISO 1171 + 3 more
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SANA

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ACCREDIA 00607 Frosinone, IT
ISO 11948-1 ISO 4832 ISO 21527-1 ISO 21527-2 DIN EN ISO 4833-1 + 3 more
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SANNIOLAB

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ACCREDIA 00901 Telese Terme, IT
ISO 4832 ISO 21527-1 DIN ISO 16649-2 DIN EN ISO 6579-1 DIN EN ISO 6888-2 + 3 more
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SANT'AMBROGIO ANALISI ALIMENTARI E AMBIENTALI S.r.l. Unipersonale

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ACCREDIA 00559 Cinisello Balsamo, IT
ISO 4832 ISO 21527-1 ISO 21527-2 DIN ISO 16649-2 DIN EN ISO 4833-1 + 3 more
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SARL FMDC DIAGNOSTICS

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COFRAC 1-6194 - Marne La Vallee Cedex 4 20 Av Christian Doppler, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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SARL JOLLY

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COFRAC 1-6228 Delain, FR
NF X 43-050 NF X 43-269 ISO 16000-7 FD X 46-033
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SARLUX

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ACCREDIA 00647 Sarroch, IT
DIN EN 15984 ASTM D5291-21 DIN EN 15984 ASTM D5291-26
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SATRA Technology Centre

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UKAS 0248 Kettering, GB
ISO DIN EN ISO 9239-1 DIN EN ISO 12952-1 DIN EN ISO 12952-2 DIN EN 597-1 + 3 more
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SAUERMANN IBERICA PUMPS AND INSTRUMENTS, S.L. (Unipersonal)

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ENAC LC10.221 Terrassa, ES
(15 ± 1) ⋅ 10-6 mol/mol (1000 ± 50) ⋅ 10 (8 ± 0,5) ⋅ 10-2 mol/mol (1,4 ± 0,1) ⋅ 1 (3000 ± 150) ⋅ 10-6 mol/mol (9 ± 1) ⋅ 10 (80 ± 8) ⋅ 10-6 mol/mol (100 ± 8) ⋅ 10-6 mol/mol
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SAUNIER DUVAL

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COFRAC 1-0135 Nantes, FR
DIN EN 13203-1 DIN EN 13203-2 DIN EN 15502-1 DIN EN 15502-2-1 DIN EN 15502-2-1
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SAVOIE ANALYSES - Site de Bonneville

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COFRAC 1-7502 Bonneville, FR
DIN EN 27888 DIN EN 12880 DIN EN ISO 10523 DIN ISO 17289 DIN EN 26777 + 3 more
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SBKS

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DAkkS D-PL-11303-01-02 St. Wendel, DE
und VDI/VDE 2604 229600 (A150P u. A175 CD23, CD25, CD33,CD34, CD38, CD59 Anti-Yo p62 DIN EN 50178: 1998 + 3 more
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SBS Kalibrierservice

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DAkkS D-K-18447-01-01 Aresing/ OT Unterweilenbach, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Railway maintenance — track geometry (EN - Gleichstromstärke - Gleichstromwiderstand + 3 more
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Industries

Railway rolling stock manufacturing Brake system and component suppliers Railway infrastructure operators Maintenance and depot operations Transport safety and certification

Related Standards

  • UIC 541-03 Brakes — Disc brakes — Design, manufacturing and testing requirements
  • EN 14512 Railway applications — Specification and approval of welded wheels — Monobloc wheels
  • ISO 4413 Hydraulic fluid power systems and components — General rules and safety

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