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EN 45545 Fire Protection Standard

 

With the introduction and approval of EN45545, fire safety standards in Europe are gradually being unified, aimed at ensuring the safety of personnel and equipment in railway applications. EN 45545-1 contains basic definitions and general rules on how to classify railway vehicles, which are used to assess fire risk and define train operation and design categories.

 

EN 45545-2 describes material requirements for different hazard levels, including flammability, smoke emissions, and toxicity requirements for internal applications. For external applications, Table R23 performs the same function.

 

EN 45545-3 describes the fire resistance requirements for fire barriers. It should be noted that if the cable positions inside the cable protection conduit are not carefully designed, these cables may become potential weak points for fire, heat, or gas penetration.

 

Under the framework of EN 45545, E, I, and W requirements are set for a specific fire installation situation: E (integrity) has a performance level of E15, E30 (in minutes) represents insulation effectiveness, and W (radiation) represents the need to prevent fire from breaking through for at least 30 minutes. Finally, E30 is set as the highest requirement, mainly applied to fire barriers between luggage and passenger areas, or operating cabins in categories 3 and 4.

 

Overall, the implementation of EN45545 standard is crucial for the safety of railway applications, as it provides important guidance for railway design and operation by clarifying and classifying various fire risks.