UIC 541-1

Railway Brake Blocks Homologation Testing

This test establishes the homologation (type approval) conditions and performance criteria for new types of brake blocks intended for use on European railway vehicles. It defines the testing protocols, acceptance criteria, and documentation requirements that manufacturers must meet to gain approval for market use. Brake blocks must demonstrate consistent friction coefficient, wear resistance, thermal stability, and compatibility with various disc types and operating conditions. Accreditation for homologation testing is mandatory for brake block manufacturers and ensures that only proven, safe brake components are deployed on European rail networks, protecting operational safety and enabling interoperability.

What it measures

  • Friction coefficient (warm and cold conditions)
  • Wear rate and service life prediction
  • Thermal behavior and heat resistance
  • Dimensional stability and tolerances
  • Compatibility with standard disc materials and designs
🇩🇪 DIN EN 15877 🇬🇧 BS EN 15877 🇫🇷 NF EN 15877 🇮🇹 UNI EN 15877 🇪🇸 UNE EN 15877 🇳🇱 NEN EN 15877
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COFRAC 1-2303 Thiant, FR
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DIN EN 27888 DIN EN ISO 10523 DIN EN ISO 7393-2 NF X 31-615 (Uniquement
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COFRAC 1-1249 Fraisses, FR
(BS EN ISO 6892-1: 2019) DIN EN 10002-1 ISO 6892-1 -2009 ASTM E8/E 8M ISO 6892-1 -2016 + 3 more
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COFRAC 1-6001 Riorges, FR
NF ISO 21438-3 NF X 43-269 NF ISO 21438-1 DIN EN ISO 16017-2 NF X 43-259 + 3 more
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COFRAC 1-6133 Cherbourg-En-Cotentin, FR
NF X 43-269 NF X 43-269 – NF X 43-050 NF ISO 22262-1 (parties utiles ISO 16000-7
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COFRAC 1-7464 Bellegarde, FR
DIN EN 17126 DIN EN 13624 DIN EN 13727 DIN EN ISO 11930 DIN EN 14476 + 3 more
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COFRAC 1-5606 Brussieu, FR
NF X 43-269 NF X 43-050 NF X43-269 – Annexe NF X43-050 (parties utiles de la norme) NF X43-050 (useful parts of the standard + 3 more
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COFRAC 1-0905 Arzacq-Arraziguet, FR
0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 DIN ISO 16649-2 DIN EN ISO 6888-3 DIN ISO 11665-4 + 3 more
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COFRAC 1-0144 Quimper Cedex, FR
DIN EN ISO 21528-1 DIN EN ISO 21528-2 0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
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COFRAC 1-1974 Egly, FR
NF EN 12469 Annexe H pour PSM NF X 44-201 (Octobre 1984) pour PSM NF EN 12469 Annexe G NF X 44-201 DIN EN 12469 + 3 more
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COFRAC 1-7447 Venelles, FR
NF X 43-269 ISO NF X 43-257 NF X 43-050 ISO 16000-7
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COFRAC 1-6043 Sainte Helene Du Lac, FR
NF X 43-269 NF X 43-050 NF X43-050 (parties utiles de ISO 16000-7
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COFRAC 1-5853 Saint-Pierre-De-Chandieu, FR
NF X 43-269 NF X43-050 (parties utiles de ISO 22262-1 NF X 43-257 NF X 43-050 + 1 more
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COFRAC 1-1364 Saint-Quentin-Fallavier, FR
DIN EN 14902 DIN ISO 16000-3 DIN EN ISO 16017-1 DIN EN ISO 16017-2 DIN ISO 16000-4 + 3 more
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COFRAC 1-5578 Villebon-Sur-Yvette, FR
NF T 90-412 0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 DIN EN ISO 16649-3 DIN EN ISO 6888-3 + 3 more
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COFRAC 1-5603 Petite-Foret, FR
DIN EN ISO 11546-1 prEN 16185-2 EN 15595 (hors essais au
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COFRAC 1-7298 Saint Etienne Du Rouvray, FR
NF X 43-269 NF X 43-269 - Annexe K NF X43-050 (parties utiles de ISO 22262-1 NF X 43-050 + 1 more
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COFRAC 1-7202 Courbevoie, FR
DIN EN 14385 ETSI EN 301 489-1 V2.2.3 2019-11 NF X43-551 IS EN 1948-1:2006 2006 DIN EN 14789 + 3 more
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COFRAC 1-7428 Saint Germain Du Puch, FR
DIN ISO 17289 NF T 90-395 NF T 90-354 NF T 90-393 NF T 90-328 + 3 more
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COFRAC 1-2194 Plancy L'Abbaye, FR
NF T 90-412 DIN EN ISO 7899-1 DIN EN ISO 10304-1 DIN EN 12880 ISO 5815-1 + 3 more
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COFRAC 1-7441 Le Vesinet, FR
NF S92-501 (mars
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COFRAC 1-2005 Firminy, FR
ASTM E8/E 8M DIN EN 10002-1 DIN EN 10002-5 DIN EN ISO 6892-2 DIN EN ISO 643 + 3 more
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COFRAC 1-1706 Rodez, FR
DIN EN ISO 14403-2 NF V 04-407 NF T 90-412 DIN EN ISO 7899-1 DIN EN ISO 10304-1 + 3 more
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AmiaLab

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COFRAC 1-6573 Bagnols Sur Ceze, FR
NF X43-050 (parties utiles de NF X 43-050 NF X 43-269 –
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BIOXAL

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COFRAC 1-7423 Chalon-Sur-Saône, FR
DIN EN 17387 DIN EN 13697
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Industries

Brake block material manufacturers Railway component suppliers Railway rolling stock manufacturers Railway operators and maintenance services Notified bodies and certification authorities

Related Standards

  • UIC 541-02 Railway brakes — Brake blocks
  • UIC 541-03 Railway brakes — Disc brake components
  • EN 15877 Railway applications — Brake blocks — Specification and approval of composite brake blocks for freight wagons

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