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 601–625 of 849 labs

DAkkS D-K-22502-01-01 Ilmenau, DE
& 2: 2008 Leuchtdichte L / vom Typ L3 Standard Normfarbwertanteile x , y / LED-basierte Farb- und + 3 more
View Profile
DAkkS D-K-18197-01-00 Martinroda, DE
Taupunkttemperatur Railway braking — urban guided transport Widerstandssensor –40 °C bis > 5 °C bis + 3 more
View Profile

Teramess

Active
DAkkS D-K-18666-01-02 Germering, DE
Absolutdruck p 0,015 bar abs > 1,7 bar > 70 bar > 100 bar + 3 more
View Profile
DAkkS D-K-18316-01-00 Backnang, DE
Gleichspannung 0 mV Messgeräte 10 mV Wechselspannung 0,22 mV > 220 mV > 2,2 V + 3 more
View Profile
DAkkS D-K-22318-01-00 Neu Wulmstorf, DE
Positiver Überdruck p e > 70 bar Überdruck p (ein- oder mehrgängige
View Profile
DAkkS D-K-15070-01-01 Kirchzarten, DE
- Gleichspannung / Messgeräte Quellen Hochspannung - Gleichstromstärke + 3 more
View Profile
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
View Profile
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
View Profile

Thermo Sensor

Active
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
View Profile
DAkkS D-K-19243-01-00 Weilburg, DE
Vickers hardness test (ISO 6507) Taupunkttemperatur Widerstandssensor * –90 °C –80 °C –40 °C + 3 more
View Profile
DAkkS D-K-18223-01-02 Ilmenau, DE
Masse oder Konventioneller Wägewert/ Massenormal *) > 1 mg + 3 more
View Profile
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
View Profile

Trescal

Active
DAkkS D-K-15015-01-01 Darmstadt, DE
- Gleichspannung / Messgeräte 10 V; 100 V; 1000 V > 100 mV > 0,22 V + 3 more
View Profile
DAkkS D-PL-12007-02-05 Essen, DE
IEC 61000-4-39 IEC 61000-4-3: 2006 VDE 0847-4-3 IEC 61000-4-4: 2012 VDE 0847-4-4 + 3 more
View Profile
DAkkS D-K-11109-01-02 Essen, DE
positiven Überdruck positiver Überdruck - Gleichstromstärke Kraft Schließ- und + 3 more
View Profile
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
View Profile
DAkkS D-PL-11074-07-01 Essen, DE
DIN EN 10306 DIN EN 1048 DIN EN 1216 DIN EN 14511-3 DIN EN 14825 + 3 more
View Profile
DAkkS D-PL-11120-02-01 Köln, DE
DIN CEN/TS 17021 (DIN SPEC 33976) DIN EN ISO 3745 DIN EN 12102-1 DIN EN 12102-2 DIN 45635-1 + 3 more
View Profile
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
View Profile
DAkkS D-PL-11052-01-03 Köln, DE
IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-6 IEC 60068-2-14 DIN EN 60068-2-14 + 3 more
View Profile
DAkkS D-PL-11052-03-01 Halle/Saale, DE
DIN EN 50178: 1998 DIN EN ISO 179-1 ISO 21527-1 ISO 21527-2 DIN EN ISO 527-3 + 3 more
View Profile
DAkkS D-K-11165-01-02 Köln, DE
motoren Gaskonzentration Kohlenstoffmonoxid CO Kohlenstoffdioxid Kohlenstoffdioxid CO2 + 3 more
View Profile
DAkkS D-PL-11165-04-03 Berlin, DE
IEC 60068-2-1 IEC 60068-2-2 IEC 60068-2-14 DIN EN 60068-2-14 IEC 60068-2-30 + 3 more
View Profile
DAkkS D-PL-14169-03-03 Nürnberg, DE
DIN EN 71-10 DIN EN 62321-2*VDE 0042-1-2 DIN EN 1264-5 DIN EN 13647 DIN EN 16889 + 3 more
View Profile
DAkkS D-K-11254-02-02 Filderstadt, DE
Railway wheelset design forces (UIC 519) Rollenbremsprüfstände Kraft Prüfsystem Prüfgeräte (SEP) + 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