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
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DIN EN 14198
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BS EN 14198
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NF EN 14198
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UNI EN 14198
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UNE EN 14198
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NEN EN 14198
cartridges, based on HTM 20309.201 to 9.212 and BS EN ISO35 °C/3 days based on HTM 2030section 9.201 to 9.212, BS ENISO 15883-1:2009 6.4.2.3 and+ 3 more
Railway rolling stock manufacturersBrake control system suppliersFreight train operatorsPassenger rail servicesRailway certification and safety authorities
Related Standards
UIC 541-01Railway brakes — Braking power
UIC 541-05Railway brakes — Anti-slide device
EN 14198Railway applications — Wheelsets and bogies — Safety requirements for thermal management
Scope