UIC 540 establishes technical requirements and test procedures for pneumatic (air) brake systems on freight and passenger trains throughout the European railway network. This standard covers design, performance, safety, and interoperability of brake components including cylinders, valves, pipes, and control systems. Railway manufacturers, brake suppliers, and infrastructure operators require testing to ensure compliance, validate equipment compatibility across different networks, and demonstrate safety performance. Accredited testing provides independent verification that brake systems meet stringent safety and reliability standards essential for railway operations.
What it measures
Brake force and braking deceleration (m/s²)
Pressure response and valve actuation times
Pipe and connection integrity and leakage rates
Brake cylinder performance and seal integrity
System compatibility and inter-car coupling performance
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DIN EN 14512
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BS EN 14512
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NF EN 14512
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UNI EN 14512
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UNE EN 14512
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NEN EN 14512
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DIN EN ISO 4413
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BS EN ISO 4413
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NF EN ISO 4413
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UNI EN ISO 4413
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UNE EN ISO 4413
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NEN EN ISO 4413
Railway brake — anti-slide device (UIC 5Railway brake — magnetic track brakes (URailway brakes — conditions for homologaMessgeräte im Kraftfahrwesen− Abgasmessgeräte für Fremdzündungsmotor+ 3 more
Railway rolling stock manufacturingBrake system and component suppliersRailway infrastructure operatorsMaintenance and depot operationsTransport safety and certification