Stopping Power in Focus: EN 13749 for Railway Braking Systems Explained
EN 13749 specifies functional and safety requirements for brake systems on European railway vehicles, ensuring interoperability and safe train operation.

What Is EN 13749?
EN 13749 is a European standard that defines functional, safety, and performance requirements for braking systems on railway vehicles.
It applies to both freight and passenger rolling stock, ensuring reliable stopping capability and interoperability across European rail networks.
Importance of EN 13749 in Railway Operations
Braking systems are critical for train safety, stability, and operational efficiency. EN 13749 ensures that braking performance is consistent, predictable, and compliant with European interoperability rules.
- Specifies brake force requirements and distribution
- Defines performance limits under normal and degraded conditions
- Supports compatibility between different rolling stock
- Ensures safe stopping distances under various operational scenarios
Scope and Technical Coverage
The standard covers mechanical, pneumatic, and electropneumatic braking systems, including their design, testing, and maintenance requirements.
- Brake system types and functional requirements
- Brake force distribution and calculation methods
- Dynamic and static performance testing
- Integration with control-command and safety systems
- Maintenance and inspection procedures
Key Technical Parameters
| Parameter | Description | Operational Impact |
|---|---|---|
| Brake Force | Required braking effort per axle or wagon | Ensures safe and efficient stopping distances |
| Brake Distribution | Allocation of braking force across axles and vehicles | Maintains train stability and reduces wheel slip |
| Reaction Time | Time between brake command and actual application | Affects emergency stopping capability |
| System Reliability | Defined through SIL and redundancy requirements | Prevents operational failures and accidents |
Relationship with Other Standards
EN 13749 complements TSI Rolling Stock, EN 15566 for couplers, and UIC braking standards. It ensures that braking performance is compatible across different vehicle types and rail networks.
- Aligns with TSI Rolling Stock safety requirements
- Integrates with EN 15566 and UIC brake standards
- Supports interoperability of freight and passenger trains
Who Uses EN 13749?
The standard is applied by rolling stock manufacturers, railway operators, infrastructure managers, and certification authorities to ensure braking safety and interoperability.
- Train manufacturers and integrators
- Railway undertakings and operators
- Certification bodies and safety assessors
- Maintenance and inspection teams





