UIC 541-04

Automatic Variable Load Brake Testing

This test defines specifications for automatic variable load braking systems that adjust braking force proportionally to the vehicle's loading condition, optimizing stopping distance and wheel adhesion. The standard covers the design, functionality, and performance requirements of automatic load-sensing brake control equipment fitted to freight and passenger trains. Testing verifies that braking force automatically adjusts across the range from empty to fully loaded conditions, enhancing safety and reducing wheel slide risk. Accreditation for this test is critical for manufacturers of brake control systems and railway operators ensuring consistent, safe braking performance regardless of train loading.

What it measures

  • Load-proportional braking force adjustment mechanisms
  • Response characteristics across loading range
  • Wheel adhesion optimization and anti-lock performance
  • System reliability and fail-safe functionality
  • Pressure modulation and control accuracy
🇩🇪 DIN EN 14198 🇬🇧 BS EN 14198 🇫🇷 NF EN 14198 🇮🇹 UNI EN 14198 🇪🇸 UNE EN 14198 🇳🇱 NEN EN 14198
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15 Countries

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DAkkS D-ML-13273-01-00 Minden, DE
Differentialblutbild Kleines Blutbild (maschinell) Thrombozyten Unreife Thrombozyten (IPF) Urinsediment (maschinell) + 3 more
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DAkkS D-ML-17683-01-00 Darmstadt, DE
HbA1c Großes Blutbild Kleines Blutbild Retikulocyten Natriumchlorid + 3 more
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DAkkS D-ML-13243-01-00 Georgsmarienhütte, DE
Verschlußzeiten 10-Hydroxycarbamazepin + Oxcarbazepin Amiodaron + Desmethylamiodaron Amisulprid + 3 more
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DAkkS D-ML-13243-01-01 Georgsmarienhütte, DE
IGF-1 (Somatomedin C) Lamotrigin HbA1c Aldosteron Albumin + 3 more
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DAkkS D-ML-18474-01-01 Frankfurt am Main, DE
17-OH-Progesteron Androstendion Everolimus Metanephrin, Normetanephrin Methylmalonsäure + 3 more
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DAkkS D-ML-17159-01-00 Berlin, DE
Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Hämatokrit Leukozyten + 3 more
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DAkkS D-ML-18033-01-00 Köln, DE
Liste aller Untersuchungsverfahren im fl Webpräsenz des Medizinischen Laboratoriu HbA1c Basophile Basophile absolut + 3 more
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DAkkS D-ML-18493-01-00 Darmstadt, DE
HbA1c Großes Blutbild Kleines Blutbild Retikulocyten Natriumchlorid + 3 more
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DAkkS D-ML-13247-01-01 Sindelfingen, DE
Ristocetin Kofactor Aktivität Willibrand Faktors a-Hydroxy-Alprazolam Amilsulprid 7-amino-Flunitrazepam + 3 more
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DAkkS D-ML-18515-01-00 Dresden, DE
GPT GOT GGT Salmonellen Shigellen + 3 more
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DAkkS D-K-21171-01-01 Chemnitz, DE
Gleichspannung 33 mV Messgeräte 0,33 V 330 V Gleichstromstärke 33 µA Messgeräte 0,33 mA + 3 more
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DAkkS D-K-21443-01-00 Schmalkalden, DE
(ein- und mehrgängige zylindrische Außen- und symmetrischem und unsymmetrischem Profil) Außengewinde + 3 more
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DAkkS D-K-14544-01-00 Rostock-Warnemünde, DE
Taupunkttemperatur - Direktanzeigende Thermometer (SPRT) *) thermometer *) −2 °C bis Transmitter und + 3 more
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DAkkS D-PL-11240-01-01 Bremen, DE
DIN EN 60601-2-4 IEC 60512-4-1 DIN EN 124-2 IEC 60512-4-3 DIN EN 60601-2-44 + 3 more
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DAkkS D-ML-21457-02-00 Lehrte, DE
Aluminium Blei Eisen, Kupfer Ampicillin Cefepim + 3 more
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DAkkS D-K-21622-01-00 Unterschleißheim, DE
anteile Kohlenstoffmonoxid Kohlenstoffdioxid Methan Ethan + 3 more
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DAkkS D-K-15223-01-00 Wertheim, DE
Taupunkttemperatur Fixpunktzellen *) thermometer (SPRT) *) meter, direkt anzeigende thermometer und + 3 more
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DAkkS D-ML-14413-03-01 München, DE
Cryptococcus neoformans Cardiolipin AK Escherichia coli K1-AG Haemophilus influenzae Metromec Software AG + 3 more
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DAkkS D-PL-12159-01-00 Krefeld, DE
DIN EN ISO 16484-5 DIN EN ISO 16484-6 IEC 62386-101 IEC 62386-102 IEC 62386-103 + 3 more
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DAkkS D-PL-19548-01-03 Waldkraiburg, DE
DIN EN 13018 DIN EN 50289-1-2 DIN EN 50289-1-3 DIN EN 50289-1-4 DIN EN 50289-1-5 + 3 more
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DAkkS D-ML-13341-01-01 Berlin, DE
17-OH-Carbazepin Amiodaron, Desmethylamiodaron Amitriptylin Clobazam Clomipramin + 3 more
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DAkkS D-K-21980-02-01 Hennigsdorf, DE
Kraft 50 N Sound power — survey method (ISO 3746) > 200 N Railway brake — automatic variable load 0,2 kN + 1 more
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DAkkS D-K-20515-01-00 Filderstadt, DE
Temperaturmessgrößen auch direktanzeigend 35 °C direktanzeigende > 200 °C auch direktanzeigend Temperaturmessgrößen −35 °C + 3 more
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DAkkS D-K-22828-01-01 Ingolstadt, DE
Kraft Gurtkraftaufnehmer Railway brake — disc brake components (U
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DAkkS D-K-18366-01-01 Schweinfurt, DE
1350 mm Innen- und Tiefenmaße * > 300 mm Tiefenmessschieber * 0 mm Höhenmessschieber * 0 mm + 3 more
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Industries

Railway rolling stock manufacturers Brake control system suppliers Freight train operators Passenger rail services Railway certification and safety authorities

Related Standards

  • UIC 541-01 Railway brakes — Braking power
  • UIC 541-05 Railway brakes — Anti-slide device
  • EN 14198 Railway applications — Wheelsets and bogies — Safety requirements for thermal management

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