EN 45545-2:2020+A1:2023

SLOVENSKI STANDARD
01-december-2023
Nadomešča:
SIST EN 45545-2:2020
Železniške naprave - Požarna zaščita na železniških vozilih - 2. del: Zahteve za
obnašanje materialov in sestavnih delov v požaru (vključuje dopolnilo A1)
Railway applications - Fire protection on railway vehicles - Part 2: Requirements for fire
behaviour of materials and components
Bahnanwendungen - Brandschutz in Schienenfahrzeugen - Teil 2: Anforderungen an
das Brandverhalten von Materialien und Komponenten
Applications ferroviaires - Protection contre les incendies dans les véhicules ferroviaires
- Partie 2 : Exigences du comportement au feu des matériaux et des composants
Ta slovenski standard je istoveten z: EN 45545-2:2020+A1:2023
ICS:
13.220.20 Požarna zaščita Fire protection
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 45545-2:2020+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2023
EUROPÄISCHE NORM
ICS 13.220.20; 45.060.01 Supersedes EN 45545-2:2020
English Version
Railway applications - Fire protection on railway vehicles -
Part 2: Requirements for fire behaviour of materials and
components
Applications ferroviaires - Protection contre les Bahnanwendungen - Brandschutz in
incendies dans les véhicules ferroviaires - Partie 2 : Schienenfahrzeugen - Teil 2: Anforderungen an das
Exigences du comportement au feu des matériaux et Brandverhalten von Materialien und Komponenten
des composants
This European Standard was approved by CEN on 22 June 2020 and includes Amendment approved by CEN on 23 July 2023.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATIO N

EUROPÄISCHES KOMITEE FÜR NORMUN G

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 45545-2:2020+A1:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 9
1 Scope . 10
2 Normative references . 10
3 Terms and definitions . 12
4 Requirements . 12
4.1 Essential fire safety objectives . 12
4.2 General . 12
4.3 Grouping rules . 14
4.3.1 General . 14
4.3.2 Rule 1 . 14
4.3.3 Rule 2 . 14
4.3.4 Rule 3 . 15
4.4 Listed products . 17
4.5 Non-listed products . 23
4.6 Refurbishment and maintenance requirements . 24
4.6.1 General . 24
4.6.2 Requirements for refurbishment of passenger seats . 24
4.7 Products to be approved on functional necessity . 25
4.8 Set of material requirements . 25
5 Test properties . 33
5.1 Summary of test methods. 33
5.2 Modifications on test methods used in 5.1 . 38
5.2.1 Definitions . 38
5.2.2 Furnishing products burning behaviour . 38
5.3 Testing rules . 39
5.3.1 Products or assemblies . 39
5.3.2 Hoses, pipes or elastomeric profiles . 39
5.3.3 Mastics . 39
5.3.4 Substrates for surface products . 39
5.3.5 Test specimen preparation for upholstery products . 40
5.3.6 Linear cable containment products. 40
5.3.7 Fire integrity testing . 41
5.3.8 Assessment for burning droplets / particles . 41
6 Evaluation of conformity . 41
Annex A (normative) Protocol for test specimen preparation in standard tests . 42
A.1 Protocol for specimen preparation for tests according to EN ISO 5659-2 and
ISO 5660-1 . 42
A.2 Protocol for specimen preparation of upholstered furniture assembled products for
tests according to EN ISO 5659-2 and ISO 5660-1 . 42
A.2.1 Scope and field of application . 42
A.2.2 Preparation of test specimens . 42
A.3 Protocol for test specimen preparation for flame spread testing . 43
A.3.1 Scope and field of application . 43
A.3.2 Test specimen preparation . 43
Annex B (informative) Product classification guidance . 44
B.1 Introduction . 44
B.2 Multiple product classification . 44
B.3 Test requirement set grouped for multiple product classifications . 45
B.3.1 General . 45
B.3.2 Test procedure Group A – predominately surfaces . 46
B.3.3 Test procedure Group B – predominately external surfaces . 46
B.3.4 Test procedure Group C – cables . 46
B.3.5 Test procedure Group D – typically electrical, electronic items, seals and hoses . 47
B.3.6 Test procedure Group E – internal and external light diffusers . 47
B.3.7 Test procedure Group F - Floors and upward facing horizontal surfaces . 47
B.3.8 Test procedure Group G – typically upholstery, loose upholstery, staff seats . 48
Bibliography . 50

European foreword
This document (EN 45545-2:2020+A1:2023) has been prepared by Technical Committee CEN/TC 256
“Railway applications”, the secretariat of which is held by DIN.
!This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by April 2024, and conflicting national standards shall be
withdrawn at the latest by October 2026."
!The goal of the extended transitional period is to one hand allow the sector to accommodate to the
new requirements and to the other hand to permit the use of certificates which are still valid under the
previous version."
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document includes Amendment 1 approved by CEN on 23 July 2023.
This document supersedes !EN 45545-2:2020".
The start and finish of text introduced or altered by amendment is indicated in the text by tags !".
This series of European Standards Railway applications — Fire protection on railway vehicles consists of:
— Part 1: General;
— Part 2: Requirements for fire behaviour of materials and components;
— Part 3: Fire resistance requirements for fire barriers;
— Part 4: Fire safety requirements for railway rolling stock design;
— Part 5: Fire safety requirements for electrical equipment including that of trolley buses, track guided
buses and magnetic levitation vehicles;
— Part 6: Fire control and management systems;
— Part 7: Fire safety requirements for flammable liquid and flammable gas installations.
The main changes from EN 45545-2:2013+A1:2015 to EN 45545-2:2020 are:
— integration of the new test standards:
— deletion of Annexes A and B and reference to EN 16989;
— now, EN 16989 is given in Clause 2, Normative references;
— in Table 2, EN 16989 appears for F1 product;
— in Table 5, modification of R18 requirement to be in accordance with EN 16989;
— in Table 5, adding of footnote d to be in accordance with EN 16989;
— deletion of Annex C and reference to EN 17084;
— now, EN 17084 is given in Clause 2, Normative references;
— in Table 5, EN 17084 is now the reference instead of EN ISO 5659-2 : 50 kWm- for the
parameter CIT ;
G
— in Clause 2, Normative references, new standards appear:
— EN 16989, Railway applications — Fire protection on railway
...