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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BUREAU VERITAS INSPECCIÓN Y TESTING, S.L. (Unipersonal)

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ENAC LE378 Sant Cugat del Vallès, ES
UNE-EN 13284-2 UNE-EN 15259 UNE-EN 16911-2 UNE-EN 13284-1 UNE EN 1911 + 3 more
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CALTECNICA INGENIEROS

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ENAC LC10.071 Boadilla del Monte, ES
(3 ± 0,5)  10-2 mol/mol (5 ± 0,5)  10- (5 ± 0,5)  10-2 mol/mol - 80 ˚C a 200 ˚C - 20 ˚C a < 23 ˚C 23 ˚C a 40 ˚C > 40 ˚C - 20 ˚C a 60 ˚C + 2 more
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CANAGROSA LAB&SERVICES

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ENAC LE1870 Rinconada, ES
ISO 2808 ISO 48-4 UNE-EN ISO 2808 ISO 2409 UNE-EN ISO 2360 + 3 more
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CASERMOVIL, S.A. (Unipersonal)

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ENAC LC10.201 Alacant, ES
(0,15 ± 0,02) · 10-2 mol/mol (0,50 ± 0,0 (6,0 ± 1,0) · 10-2 mol/mol (11,5 ± 2,0) (10 ± 2) · 10-6 mol/mol (50 ± 8) · 10-6 (0,15 ± 0,02) · 10-2 mol/mol (0,30 ± 0,0 1,000 ± 0,100 + 3 more
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ENAC LC10.234 Bollullos de la Mitación, ES
EURAMET cg-18 EURAMET cg-17 CEM Edición
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CENTRO DE ENSAYOS Y ANÁLISIS CETEST

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ENAC LE1385 Beasain, ES
DIN EN 13260 DIN EN 13261 DIN EN 13262 Railway end stop systems (EN 14752) Railway vehicle body structural requirem + 3 more
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CENTRO DE ENSAYOS, INNOVACIÓN Y SERVICIOS, S.L. (CEISLAB)

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ENAC LE149 Móstoles, ES
UNE-EN 60567 IEC 60814 UNE-EN 61198 IEC 60247 UNE-EN 61619 + 3 more
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CIEMAT

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ENAC LE471 Madrid, ES
OM H-3 based on ISO 9698:2019 ISO 13164-4 SM 3111 UNE-EN ISO 13160 ISO 10704 + 3 more
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CENTRO DE INVESTIGACIONES MEDIOAMBIENTALES DEL ATLÁNTICO

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ENAC LE2543 Santa Cruz de Tenerife, ES
UNE-EN ISO 5667-19 UNE-EN ISO 16665 UNE-EN 19493
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CENTRO DE INVESTIGACIÓN ELIAS MASAVEU

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ENAC LE1355 Carreño, ES
SM 2510 B SM 4500 H+ UNE 7027-1 UNE 7887 SM 4500-NO B 2 + 3 more
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ENAC LE2151 Sevilla, ES
UNE-EN 136 UNE-EN 148-1 UNE-EN 140 UNE-EN 149 UNE-EN 13274-7 + 3 more
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CIRCUTOR, S.A. (Unipersonal)

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ENAC LE2532 Viladecavalls, ES
UNE-EN 61000-4-2 UNE EN 61000-4-5 UNE-EN 55016-2-1 UNE-EN 61000-4-11 UNE-EN 61000-4-8 + 3 more
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CLOVER TECHNOLOGIES

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ENAC LE2384 Leganés, ES
ISO/IEC 15408-3 ISO/IEC 15408-1 ISO/IEC 15408-2 ISO/IEC 15408-4 ISO/IEC 15408-5 + 1 more
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COBRA INSTALACIONES Y SERVICIOS

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ENAC LC10.255 Torrejón de Ardoz, ES
CEM EL-020 EURAMET cg-17 CEM EL CEM ME-004 EURAMET cg-11 + 3 more
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COMPAÑÍA ESPAÑOLA DE TABACO EN RAMA, S.A. (CETARSA), S.M.E.

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ENAC LE1009 Talayuela, ES
UNE 118019 UNE 118012 ISO 22980 UNE 118020 UNE 118021-2
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CONSORCI DE MEDI AMBIENT I SALUT PÚBLICA DE LA GARROTXA (SIGMA) LABORATORI POLIVALENT DE LA GARROTXA

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ENAC LE2170 Olot, ES
SM 3111 B SM 3500-K B SM 3500-Na B SM 2330 B SM 3113 B UNE-EN ISO 8467 + 3 more
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CONSTRUCCIONES Y AUXILIAR DE FERROCARRILES, S.A. Laboratorio de Materiales

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ENAC LE2277 Beasain, ES
ASTM E 112 UNE-EN ISO 643 UNE-EN 13261 ISO 4967 ASTM E 10 + 3 more
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DEKRA Testing and Certification, S.A. (Unipersonal)

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ENAC LE147 Campanillas, ES
IEC 61730-2 IEC 61215-1-2 IEC 61215-2 IEC 61215-1-3 IEC 61215-1-4 + 3 more
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DIPE ELECTRÓNICA

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ENAC LC10.204 Fuenlabrada, ES
0 mV  U < 330 mV 330 mV  U < 3,3 V 3,3 0 mV  U < 120 mV 120 mV  U < 1,2 V 1,2 0 A  I  330 A 330 A < I  3,3 mA 3, 20 A  I  1025 A 20 A  I  1025 A F = 50 Hz + 3 more
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DIRECCIÓN GENERAL DE LA GUARDIA CIVIL. SERVICIO DE CRIMINALÍSTICA

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ENAC LE776 Madrid, ES
SM 5210 D UNE-EN ISO 27888 SM 5220 D SM 2130 B UNE-EN ISO 11885 + 3 more
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DRACE GEOCISA

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ENAC LE334 San Fernando de Henares, ES
EPA 9056 ISO 13167 SM 3120 B ISO 13166 UNE 73350-1
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DTN SERVICES AND SYSTEMS SPAIN

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ENAC LC10.254 Sevilla, ES
50 ∙ 10-9 mol/mol ≤ C ≤ 237 · 10-9 mol/m 30∙ 10-9 mol/mol ≤ C ≤ 500 ∙ 10-9 mol/mo 50 ∙ 10-9 mol/mol ≤ C ≤ 1000 · 10-9 mol/ 50 ∙ 10-9 mol/mol ≤ C ≤ 237∙ 10-9 mol/mo 0,5 ∙ 10-9 mol/mol ≤ C ≤ 15 ∙ 10-9 mol/m + 1 more
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ENDRESS Y HAUSER, S.A. (Unipersonal)

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ENAC LC10.206 Sant Cugat del Vallès, ES
200 kg/h ≤ m ≤ 60000 kg/h 200 l/h ≤ Q ≤ 60000 l/h 200 kg/h ≤ m ≤ 30000 kg/h 200 l/h ≤ Q ≤ 30000 l/h 700 Pa ≤ P ≤ 2 MPa + 3 more
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EQUIPOS NUCLEARES, S.A., S.M.E.

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ENAC LE1853 Maliaño, ES
UNE-EN ISO 6892-1 DIN EN 10002-1 ASTM E 8 ASTM E 208 ASTM E208-06 + 3 more
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EUROFINS ANÁLISIS ALIMENTARIO, S.L. (Unipersonal)

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ENAC LE2182 Coslada, ES
UNE 64106 BS ISO 6731:2010 UNE-EN ISO 712 UNE-EN ISO 5534 ISO 13580 + 3 more
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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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