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
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DIN EN 14531-1
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BS EN 14531-1
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NF EN 14531-1
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UNI EN 14531-1
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UNE EN 14531-1
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NEN EN 14531-1
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HYDAC Systems & Services
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Gleichspannung 0 µV
Messgeräte > 20 mV
Messgeräte > 200 mV
> 2 V
> 20 V
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HaBu Hauck Prüftechnik
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Härte *) 20 HRA
Härtevergleichsplatten 20 HRB
nach Rockwell Verfahren 20 HRC
40 HRD
60 HRF
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Hampshire Scientific Service
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(HSG 248) - 2021
ASB/SOP/OM8 based on HSG 248
ASB/SOP/OM6 based on HSG 248
DIN EN 12697-11
on BS 4401:Part 3:1970(1986)
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Hartford Steam Boiler UK
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BS 2790 - Specification for the design a
BS 1113 - Specification for the design a
BS EN 13480 Parts 1 to 8 - Metallic
EN 13445 – Parts 1 to 10 Unfired pressur
BS EN ISO 15614 and ASME IX
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automatische Zelldifferenzierung
Erythrozyten
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(HSG 264, 2012)
and Appx. 3 of HSG 227 (2004))
Executive guides HSG 264 (2012)
Absolutdruck p
abs
> 41 bar
Negativer und
positiver Überdruck
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Hessische Eichdirektion
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Masse * 1 mg
konventioneller 2 mg
Wägewert/ Masse
> 5 mg
10 mg
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Heywood Williams Components
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DIN EN 1026
DIN EN 12046-2
BS 6375-1:2015 + A1:2016 and the
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Hohenstein Laboratories
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DIN 53160
DIN 54034
DIN 54056
DIN EN 20105-A02
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Taupunkttemperatur
thermometer, -80 °C bis
Railway braking — urban guided transport
> -35 °C bis
Temperatur- −35 °C bis
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Horiba Europe
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0,6 bar
ver Überdruck p e *
Absolutdruck p abs 100 mbar
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Hottinger Brüel & Kjaer
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Humanetics Europe
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Kraft 500 N
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Hydrotechnik
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Negativer und
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> 0,015 bar
Überdruck p
(ein- oder mehrgängige
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HygCen Germany
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DIN EN ISO 10993-1
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DIN EN ISO 17405
ISO 10993-23
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DIN EN ISO 10993-1
DIN EN ISO 11737-2
DIN EN 1040
DIN EN IEC 60601-2-75
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Innen- und Tiefenmaße
Konventioneller
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Höntzsch
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Strömungsgeschwindigkeit
von Gasen 0,1 m/s
Volumendurchfluss
≥ 0,4 m³/h bis
Railway pantographs — requirements for m
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I2 Analytical
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staining based on HSG 248.
(HSG 248) – 2021
(PCM) based on HSG 248
A007B based on BS EN15051-2:2013 +1:2016
DIN EN 12457-3
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IAMT Engineering
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Railway brake — magnetic track brakes (U
− Gleichspannung
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− Frequenz und Drehzahl
nur Vor-Ort-Kalibrierung
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IDIADA AUTOMOTIVE TECHNOLOGY
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DIN EN 1385
EN 17092-1:2020
DIN EN ISO 5077
EN 1317-1
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NF X 45-301
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ASTM F795-88
NF P 90-319 de 02/2011
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