UIC 546 specifies technical requirements, testing procedures, and homologation conditions for electropneumatic braking systems and related devices used in passenger train rolling stock. Electropneumatic brakes provide rapid, coordinated braking across train consists by using electrical signals to control pneumatic brake application, improving safety and precision compared to traditional pneumatic systems. This standard ensures interoperability and safety of electropneumatic brake equipment across European rail networks. Accreditation for UIC 546 testing is essential for equipment manufacturers and railway operators deploying modern passenger train fleets with integrated brake control systems.
What it measures
Electrical signal transmission and response time
Pneumatic brake modulation and control precision
Brake force consistency across train consist
System reliability and fail-safe operation
Electromagnetic compatibility and durability
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DIN EN 61375-1
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BS EN 61375-1
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NF EN 61375-1
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UNI EN 61375-1
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UNE EN 61375-1
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NEN EN 61375-1
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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
Passenger rolling stock manufacturersElectropneumatic brake system suppliersRailway operators and fleet managersRailway vehicle certification and testingRail infrastructure and safety authorities
Related Standards
UIC 544-1Railway brakes — Braking performance
EN 61375-1Railway applications — Train communication network (TCN) — Part 1: Fundamental principles
EN 14531-1Railway applications — Safety requirements for the design of rolling stock
Scope