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
1,560 Accredited labs
17 Countries

Showing 51–75 of 166 labs

DPA Analyses pour le Bâtiment Villebon

Active
COFRAC 1-10041 Villebon-Sur-Yvette, FR
NF X 46-032 NF X 43-050 NF X43-050 (parties
View Profile

EGIS INDUSTRIE ET PROCESS

Active
COFRAC 1-6388 Saint-Martin D'Heres, FR
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
View Profile

EICHROM AMIANTE

Active
COFRAC 1-6491 Bruz, FR
NF X 43-269 - Annexe K NF X 43-050 (parties utiles NF X 46-032 NF X 43-269 – Annexe K NF X 43-050 + 1 more
View Profile

EOLIA

Active
COFRAC 1-2416 La Ciotat, FR
DIN EN 12469 NF S 90-351 NF X 44-201 (Octobre 1984) pour PSM BS EN ISO 14644-1:2015 ISO 14644-3
View Profile

EUFOFINS LABORATOIRE DE MICROBIOLOGIE EST

Active
COFRAC 1-1147 Sainte-Croix-En-Plaine, FR
DIN EN ISO 6888-1 0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 DIN ISO 16649-2 DIN EN ISO 19020 + 3 more
View Profile

EUROFINS ANALYSES POUR LE BATIMENT ILE DE FRANCE

Active
COFRAC 1-1592 Bagneux, FR
NF X 43-269 NF X 43-050 NF X43-050 (parties utiles de la NF X 46-032 NF X46-031
View Profile

EUROFINS ANALYSES POUR LE BATIMENT NORD

Active
COFRAC 1-1593 Henin-Beaumont, FR
NF X 43-269 – Annexe K NF X 43-050 NF X43-050 (parties utiles de la
View Profile

EUROFINS ANALYSES POUR LE BATIMENT OUEST

Active
COFRAC 1-5597 Nantes Cedex 03, FR
NF X43-050 (parties utiles de NF X 43-050 NF X 43-269 - Annexe K NF EN 14346 – NF X43-050 (parties utiles de la
View Profile

EUROFINS ANALYSES POUR LE BATIMENT SUD

Active
COFRAC 1-5922 Vergeze, FR
NF X 43-269 – Annexe K NF X 43-050 NF X 43-269 - Annexe K NF X43-050 (parties utiles de la
View Profile

EUROFINS ANALYSES POUR LE BATIMENT SUD-EST

Active
COFRAC 1-1591 Saint Etienne, FR
NF X 43-269 - Annexe K NF X 43-269 – Annexe K NF X 43-050 NF X43-050 (parties utiles de la NF X43-050 (parties + 1 more
View Profile

EUROFINS ANALYSES POUR LE BATIMENT SUD-OUEST

Active
COFRAC 1-5840 Gradignan, FR
NF X 43-269 - Annexe K NF X 43-269 – Annexe K NF X 43-050 NF X43-050 (parties utiles de la NF ISO 21363
View Profile

EUROFINS HYDROLOGIE NORD

Active
COFRAC 1-2202 Douai, FR
NF T90-111 DIN EN ISO 14403-2 NF T 90-412 DIN EN ISO 7899-1 NF-T 90-029 + 3 more
View Profile

EUROFINS LABORATOIRE CENTRE

Active
COFRAC 1-2243 Vennecy, FR
DIN EN ISO 21528-2 DIN EN ISO 6888-1 0.95) based on BS ISO 21527-2:2008 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
View Profile

EUROFINS LABORATOIRE DE MICROBIOLOGIE SUD

Active
COFRAC 1-6881 Les Milles, FR
DIN ISO 11665-4 DIN EN ISO 7932 DIN 53483-2 DIN EN ISO 15213-2 NF V08-050 + 3 more
View Profile

EUROFINS LABORATOIRE NORD

Active
COFRAC 1-2241 Douai Cedex, FR
DIN EN ISO 6888-1 DIN EN ISO 21528-2 DIN EN ISO 6888-2 DIN ISO 16649-2 NF V08-054 + 3 more
View Profile

EUROFINS LABORATOIRES DE MICROBIOLOGIE OUEST

Active
COFRAC 1-1830 Nantes, FR
DIN EN ISO 21528-1 NF V08-401 DIN ISO 16649-1 DIN EN ISO 6888-1 DIN EN ISO 21528-2 + 3 more
View Profile

EUROFINS PRELEVEMENT POUR LE BATIMENT OUEST

Active
COFRAC 1-5943 Nantes, FR
NF X 43-269 NF X 43-050 ISO ISO 16000-7
View Profile

EVALUATIONS CONSEILS ETUDES POUR L'ENVIRONNEMENT

Active
COFRAC 1-7268 Seichamps, FR
DIN ISO 17289 NF T 90-260 NF X 31-615 (Uniquement DIN EN ISO 10523 DIN EN 27888
View Profile

FCBA - Bordeaux

Active
COFRAC 1-0201 Bordeaux, FR
DIN EN 947 ISO 24339 DIN CEN TS 15119-2 DIN EN ISO 3741 NF P 20-501 + 3 more
View Profile

FIBRECOUNT France

Active
COFRAC 1-6017 Marseille, FR
DIN 51750-3 NF X 43-269 – NF X 43-050 NF X43-050 (parties utiles de la DIN EN 15002
View Profile

FLANDRES Analyses

Active
COFRAC 1-1185 Capelle-La-Grande, FR
NF T90-111 DIN EN ISO 17294-2 DIN EN ISO 14403-2 NF EN ISO 19340 DIN EN ISO 10304-1 + 3 more
View Profile

FLASHLAB - Site d'Illkirch

Active
COFRAC 1-5765 Illkirch-Graffenstaden, FR
NF X 43-269 NF X 43-050 NF X43-050 (parties utiles de
View Profile

FLASHLAB - Site de Longjumeau

Active
COFRAC 1-5952 Longjumeau, FR
DIN EN 13001-1 NF X 43-269 NF X43-050 (parties utiles de NF X 43-275 NF X 43-257 + 3 more
View Profile

FLASHLAB NORD

Active
COFRAC 1-6979 Lezennes, FR
NF X 43-050 NF X 43-050 (parties utiles NF X 43-269 - Annexe
View Profile

FORGES DES ARDENNES ET DU NORD

Active
COFRAC 1-1428 Charleville-Mezieres, FR
DIN EN ISO 6508-1 ISO 18203 DIN EN ISO 6506-1 NF EN ISO 6892-1 (Méthodes A DIN EN ISO 1463 + 3 more
View Profile

No matching labs found.

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

Other Test Methods

0 labs selected
Compare