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
1,323 Accredited labs
15 Countries

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Tetra Tech

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UKAS 6060 Leeds, GB
(HSG 248) – 2021 &10 based on HSG 248 (PCM) based on HSG 248
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TetraTec Instruments

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DAkkS D-K-17589-01-01 Steinenbronn, DE
Railway brakes — disc brake pads (UIC 54 Volumendurchfluss bzw. 0,01 m Railway pantographs — requirements for m 39 mL/h + 3 more
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The Auditing Company

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RvA I309 Culemborg, NL
#EN ISO 5164:14 # EN 116-97 # ISO 13736 NEN 4400-1 #ISO 6618
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The Hazard Management and Environmental Services Laboratories

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UKAS 0225 Fenstanton, GB
(HSG 264, 2012)
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The Hazard Management and Environmental Services Laboratories

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UKAS 0575 Fenstanton, GB
(HSG 248) – 2021 03 based on HSG 248) QOP01 based on HSG 248 (PCM) based on HSG 248
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The Testing Lab

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UKAS 7758 Doncaster, GB
DIN EN 933-11 BS EN ISO 17892-1:2014+A1:2022 BS EN ISO 17892-10:2018 BS EN ISO 17892-11:2019 BS EN ISO 17892-2:2014 + 3 more
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The Tintometer

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UKAS 0630 Amesbury, GB
SPECTRAL TRANSMITTANCE Wavelength 380 nm materials
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Themisis

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RvA I381 Zaltbommel, NL
#EN ISO 5164:14 # EN 116-97 # ISO 13736 NEN 4400-1 #ISO 6618
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Thermo Electron LED

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DAkkS D-K-17616-01-01 Langenselbold, DE
- Gleichspannung Messgeräte 0,001 V bis 0,33 V bis 3,3 V bis 330 V bis + 3 more
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Thermo Sensor

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DAkkS D-K-18093-01-00 Werne, DE
Tensile testing of metallic materials (I Temperaturmessgrößen thermometer und Railway braking — urban guided transport Railway vehicle body structural requirem + 3 more
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ThermoTEC Weilburg

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DAkkS D-K-19243-01-00 Weilburg, DE
Vickers hardness test (ISO 6507) Taupunkttemperatur Widerstandssensor * –90 °C –80 °C –40 °C + 3 more
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Thomas Dudley

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UKAS 20013 Dudley, GB
BS 1212-2:1990 Clause 4 BS 1212-3:1990 Clause 4 DIN EN 997 Laktoseintoleranz (LCT -14055 BS 1212-4:1991 Clause 4, 13, 14
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Threadmaster Gauges

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UKAS 0249 Kenilworth, GB
LENGTH LENGTH (cont’d)
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Thüringer Landesamt für Verbraucherschutz Abteilung Mess- und Eichwesen, Beschussamt

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DAkkS D-K-18223-01-02 Ilmenau, DE
Masse oder Konventioneller Wägewert/ Massenormal *) > 1 mg + 3 more
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Toni Technik Baustoffprüfsysteme GmbH Service Prüftechnik Kalibrierlaboratorium

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DAkkS D-K-17246-01-00 Berlin, DE
Railway brake — magnetic track brakes (U Kraft (WPM) Länge (WPM) a) nur Vor-Ort-Kalibrierungen Vickers hardness test (ISO 6507) + 3 more
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Total Clean Air

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UKAS 27642 Somerset, GB
ISO 14644-3 BS EN ISO 14644-2:2015:Part 2 DIN EN 12469 BS EN ISO 14644-1:2015 BS EN ISO 14644-4:2022 + 3 more
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Trescal

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DAkkS D-K-15015-01-01 Darmstadt, DE
- Gleichspannung / Messgeräte 10 V; 100 V; 1000 V > 100 mV > 0,22 V + 3 more
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Trident Surveying

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UKAS 8188 Sunderland, GB
Analysts’ Guide (HSG 248) (PCM) based on HSG 248
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Tru-Cal Metrology

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UKAS 0716 Gorton, GB
including dial and digital LENGTH (cont’d) Plain plug gauges (taper) ANCILLARY MEASUREMENTS Plain ring gauges (taper) + 3 more
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Tyneside Standards

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UKAS 0566 Jarrow, GB
Micrometers See Notes 3 and 5 See Note 6 Caliper length bars) – See Note 5 + 3 more
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TESICNOR

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ENAC LE2354 Noáin, ES
UNE-EN 60903 UNE-EN IEC 61243-1 UNE-EN 50508 UNE 204001 UNE-EN 61111 + 2 more
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TÜV NORD Mobilität

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DAkkS D-K-11109-01-02 Essen, DE
positiven Überdruck positiver Überdruck - Gleichstromstärke Kraft Schließ- und + 3 more
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TÜV NORD Mobilität GmbH & Co. KG IFM - Institut für Fahrzeugtechnik und Mobilität

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DAkkS D-PL-11109-01-06 Essen, DE
ISO 26262-2 ISO 26262-3: ISO 26262-4 ISO 26262-5 ISO 26262-6 + 3 more
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TÜV NORD Nederland

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RvA I167 Son En Breugel, NL
DIN EN ISO 17232 DIN EN 14960 NEN 3140 #EN ISO 5164:14 EN 1069 + 3 more
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TÜV Rheinland Energy & Environment GmbH Test Centre for Energy Appliances

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DAkkS D-PL-11120-04-00 Köln, DE
DIN EN 12897 DIN EN 15332 DIN SPEC 1101 DIN EN 303-5 DIN EN 13126-19 + 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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