EN 45545-2:2020 Fire Protection on Railway Vehicles

Railway vehicle is a kind of large passenger flow, the line is mostly in a relatively closed space, is disorderly crowded places, in the event of disaster escape and rescue are difficult.In recent years, many train fire accidents have occurred, resulting in many casualties and serious property losses. Therefore, countries around the world constantly put forward higher prevention standards for the potential fire safety hazards of rail transit vehicles.

EN 45545-2 According to the end use of the product, the risk degree of fire, will be divided into 26 different categories R1-R26.

According to different vehicle types and operating environments, the fire risk level is divided into four levels: HL1-HL4, with HL4 having the highest fire risk.

The main evaluation performance is: heat release; Flammability; Toxicity testing; Smoke density

EN 45545-2:2020Fire protection on railway vehicles- European Standard

EN 45545-2:2020 Fire protection of railway vehicles -Part 2: Requirement for fire behaviors of materials and components'

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EN 45545-2:2020Fire protection on railway vehicles - Standard Brief

EN 45545-2:2020 this European Standard shall be given the status of a national, standard, and conflicting national standards shall be withdrawn at the latest by February 2021

Hazard levels (HL1 to HL3) have been determined using a product of the relation between

operation categories and design categories defined in EN 45545-1. The requirement sets for listed products are given in below Table and are designated R1 to R28.

EN 45545-2:2020Fire protection on railway vehicles – Scope

This document specifies the reaction to fire performance requirements for materials and products used on railway vehicles as defined in EN 45545-1.

The operation and design categories defined in EN 45545-1 are used to establish hazard levels that are used as the basis of a classification system.-

For each hazard level, this part specifies the test methods, test conditions and reaction to fire performance requirements.

EN 45545-2:2020Fire protection on railway vehicles - Hazard levels

HL1, HL2, HL3

EN 45545-2: Fire protection on railway vehicles -Reference Standard

EN 45545-1: Fire Protection of railway Vehicles -Part 1: General

EN 45545-2: Requirement for fire behaviour of materials and components-

EN 45545-3: Fire resistance requirements for fire barriers and partitions

EN 45545-4: Fire safety requirements for railway rolling stock design-

EN 45545-5: Fire safety requirements for electrical equipment'

EN 45545-6: Fire control and management system

EN 45545-7: Flammable liquid and flammable gas installations-'

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From JJ2022