UIC 544-1

Railway Rolling Stock Braking Performance

UIC 544-1 establishes the braking performance requirements and test procedures for railway rolling stock, including trains, trams, and metro vehicles. It defines minimum deceleration rates, braking distance standards, and the interaction between service and emergency braking systems under various load conditions and rail adhesion scenarios. This standard is essential for ensuring passenger safety and operational reliability across European rail networks by verifying that vehicles meet consistent, continent-wide braking performance benchmarks. Accreditation ensures independent verification of manufacturers' compliance and operational readiness of rail fleets.

What it measures

  • Service brake deceleration and stopping distance
  • Emergency brake performance and reaction time
  • Braking distance on different rail adhesion conditions
  • Brake force distribution across axles
  • Thermal stability during repeated braking cycles
🇩🇪 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

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DAkkS D-ML-13125-02-00 Bonn, DE
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angeborener Chromosomensatz Nummerische Veränderungen Chromosomen 13, 18, 21, X und ldentifizierung kleinster chromosomaler/numerischer + 3 more
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DAkkS D-ML-13362-05-00 Düsseldorf, DE
Familiärer Brust- und Eierstockkrebs (TruRiskGenePanel des Deutschen Konsortiums Familiärer Brust- und Eierstockkrebs) (ATM, BARD1, BRCA1, BRCA2, BRIP1, CDH1, + 1 more
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DAkkS D-ML-13362-04-00 Düsseldorf, DE
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DAkkS D-ML-13297-07-01 Erlangen, DE
Azoospermie (AZFa,b, c Deletionen) Huntington (HTT) Fra(X)-Syndrom, FXTAS (FMR1) Familiärer Brust- und Eierstockkrebs (ATM (NM_000051), BRCA1 + 3 more
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DAkkS D-ML-13297-06-00 Erlangen, DE
Thrombozytenaggregation ASPI, COL, RISTO, TRAP) Steroide Profil 11-Deoxycortisol 11-Deoxycorticosteron + 3 more
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DAkkS D-ML-13297-08-00 Erlangen, DE
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DAkkS D-ML-13297-02-00 Erlangen, DE
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DAkkS D-ML-13297-03-00 Erlangen, DE
Aspergillus fumigatus AK Brucella spp.- Ak Candida spp. - Ak Cardiolipin AK Cryptococcus neoformans + 3 more
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DAkkS D-ML-13297-01-00 Erlangen, DE
maschinelles Blutbild maschinelles Differentialblutbild DRVVT, Lupus Antikoagulantien Protein S (Aktivität) Exogene Gerinnungsfaktoren + 3 more
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DAkkS D-ML-13297-04-00 Erlangen, DE
Mycoplasma pneumoniae-DNA Bordetella pertussis- DNA Legionella pneumophila-DNA HIV-1, 2, Ak, Bestätigungstest Adenovirus IgA-Ak + 3 more
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DAkkS D-ML-13297-05-00 Erlangen, DE
5-Hydroxyindolessigsäure HbA1c Katecholamine Metanephrine, Normetanephrine Serotonin + 3 more
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DAkkS D-ML-18383-03-00 Essen, DE
Candida dubliensis -Ag Cardiolipin AK Clostridioides difficile AG Cryptococcus neoformans Echinococcus-Ak + 3 more
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DAkkS D-ML-18383-05-01 Essen, DE
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DAkkS D-ML-18383-04-01 Essen, DE
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DAkkS D-ML-18383-06-00 Essen, DE
membranständiger Antigene CD4, CD8, CD14, CD16, CD19, CD45, CD56) Tuberkulose ELISpot CMV ELISpot Lymphozytentransformationstest + 3 more
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DAkkS D-ML-18383-06-01 Essen, DE
Membranständige Antigene CD4, CD8, CD14, CD16/56, CD45) Freisetzung von IFN-γ nach tuberculosis -Komplex (TB Stimulation mit Antigenen + 3 more
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DAkkS D-ML-18383-08-00 Essen, DE
Candida dubliensis -Ag Cardiolipin AK Clostridioides difficile AG Cryptococcus neoformans Echinococcus-Ak + 3 more
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DAkkS D-ML-18383-09-00 Essen, DE
Glykosyliertes Hämoglobin Basophile Granulozyten Eosinophile Granulozyten Erythräzyten Leukozyten + 3 more
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DAkkS D-ML-18383-07-01 Essen, DE
Gendosisanalyse Gendosisanalyse (UBE3A, SHOX Genet. Veränderung bei Tumorerkrankung: Analyse auf Verlust eines Chromosoms 3 + 3 more
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DAkkS D-ML-18383-02-00 Essen, DE
Glykosyliertes Hämoglobin Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Leukozyten + 3 more
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Industries

Railway rolling stock manufacturers Public transit and metro operators Railway maintenance and certification Brake system integrators Transport safety authorities

Related Standards

  • UIC 544-2 Railway brakes — Estimation of braking force
  • UIC 546 Railway brakes — Electropneumatic brakes
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

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