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
🇧🇪 NBN EN 14198 🇩🇪 DIN EN 14198 🇬🇧 BS EN 14198 🇫🇷 NF EN 14198 🇮🇹 UNI EN 14198 🇪🇸 UNE EN 14198 🇳🇱 NEN EN 14198
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NEN-EN 15567-1
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11p15 MLPA BS SOP004 using sandwich immunoassay Fragment Lengte variant onderzoek Chromosomale varianten onderzoek Copy Number Variant (CNV) onderzoek + 3 more
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RvA L320 Ferwert, NL
Bakterien 2: Clostridioides ISO 15923-1 NEN 5793 NEN 5704 DIN EN 16179 + 3 more
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RvA L493 Willemstad, Curacao, NL
ISO 6222 ISO 7899-2 ISO 9308-1 ISO 16266 DIN EN 26461-2 + 3 more
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DIN EN 10160 DIN EN 10228-3 DIN EN 10228-4 DIN EN 1593 DIN EN 14127 + 3 more
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RvA M291 Amsterdam, NL
Massaspectrometrie Pre-analyse Moleculaire diagnostiek d.m.v. PCR Fenotypische karakterisatie Antilichaambepaling d.m.v. immuno- assay + 3 more
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Balis Micro

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RvA L581 Boven-Leeuwen, NL
DIN EN ISO 21528-2 DIN EN ISO 4833-2 AM09 based on BS ISO 21527-1: 0.95) based on BS ISO 21527-2:2008 BS ISO 15214:1998
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RvA M322 Kralendijk, Bonaire, NL
Hemocytometrie en microscopie Bloedafname (extra-muraal) Bloedafname (intra-muraal) Bindingsanalyse (speciele immuno- assays Chromatografie waaronder HPLC,UPLC,GC + 3 more
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Bureau Cicero

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RvA I225 Houten, NL
9 #ISO 6618 # EN 116-97 # ISO 13736 NEN 4400-1 + 1 more
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RvA L663 Eindhoven, NL
IEC 15408-1 IEC 18045
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RvA M224 Apeldoorn, NL
Massaspectrometrie Immunoflowcytometrie Beenmergonderzoek Bloedafname (extra-muraal) Bloedafname (intra-muraal) + 3 more
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RvA M292 Rijswijk Zh, NL
Monsterverwerking: registratie, opslag Histochemische kleuringen Cytochemische kleuringen Immuuncytochemische kleuringen Gynaecologische indicatiecytologie
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RvA M251 Leiden, NL
Massaspectrometrie Pre-analyse Moleculaire diagnostiek d.m.v. PCR Antilichaambepaling d.m.v. immuno- assay Resistentiebepaling d.m.v. microdilutie + 3 more
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RvA M103 Veldhoven, NL
11p15 MLPA Massaspectrometrie Monsterverwerking: registratie, opslag Ondersteuning bij puncties Histochemische kleuringen + 3 more
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RvA M315 Leiden, NL
Hemocytometrie en microscopie Bloedafname (extra-muraal) Bloedafname (intra-muraal) Bindingsanalyse (speciele immuno- assays Chromatografie waaronder HPLC,UPLC,GC + 3 more
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Comicro

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RvA M082 Hoorn Nh, NL
Massaspectrometrie Pre-analyse Moleculaire diagnostiek d.m.v. PCR Fenotypische karakterisatie Antilichaambepaling d.m.v. immuno- assay + 3 more
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RvA I192 Zwolle, NL
(CD45/CD19/CD5/CD20/CD23/CD20 DIN 10172-3
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RvA I327 Arnhem, NL
(CD45/CD19/CD5/CD20/CD23/CD20 DIN EN 60529 DIN EN 62271-1 DIN EN 62271-100 DIN EN 62271-102 + 3 more
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RvA L022 Arnhem, NL
DIN EN 60529 IEC 61000-4-3: 2006 IEC 61000-4-8: 2009 IEC 61000-4-9: 2016 IEC 61000-4-11: 2004 + 3 more
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Dicoon

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RvA M039 Elst Gld, NL
Massaspectrometrie Spectrofotometrie Immunoflowcytometrie Beenmergonderzoek Bloedafname (extra-muraal) + 3 more
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RvA L470 Bleiswijk, NL
ISO 5660-1 DIN EN ISO 9239-1 DIN EN 1021-1 EN ISO 1182 EN ISO 1716 + 3 more
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RvA K162 Breda, NL
ISO 6270-2 ISO 15835-2 ISO 2808 ISO 3057 ISO 12135 + 3 more
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RvA L063 Breda, NL
ISO 6270-2 ISO 15835-2 ISO 2808 ISO 3057 ISO 12135 + 3 more
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RvA M011 Rotterdam, NL
11p15 MLPA Monsterverwerking: registratie, opslag Ondersteuning bij puncties Histochemische kleuringen Immuunhistochemische kleuringen + 3 more
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RvA M098 Rotterdam, NL
BS SOP004 using sandwich immunoassay Elektroforese/Iso-electrofocussing Fragment Lengte variant onderzoek Chromosomale varianten onderzoek Copy Number Variant (CNV) onderzoek + 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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