EN IEC 60695-1-12:2020

SLOVENSKI STANDARD
01-julij-2020
Preskušanje požarne ogroženosti - 1-12. del: Navodilo za ocenjevanje požarne
varnosti elektrotehniških izdelkov - Požarno inženirstvo (IEC 60695-1-12:2015)
Fire hazard testing - Part 1-12: Guidance for assessing the fire hazard of electrotechnical
products - Fire safety engineering (IEC 60695-1-12:2015)
Prüfungen zur Beurteilung der Brandgefahr - Teil 1-12: Anleitung zur Beurteilung der
Brandgefahr von elektrotechnischen Erzeugnissen - Brandschutzingenieurwesen (IEC
60695-1-12:2015)
Essais relatifs aux risques du feu - Partie 1-12: Lignes directrices pour l'évaluation des
risques du feu des produits électrotechniques - Ingénierie de la sécurité incendie (IEC
60695-1-12:2015)
Ta slovenski standard je istoveten z: EN IEC 60695-1-12:2020
ICS:
13.220.40 Sposobnost vžiga in Ignitability and burning
obnašanje materialov in behaviour of materials and
proizvodov pri gorenju products
29.020 Elektrotehnika na splošno Electrical engineering in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 60695-1-12

NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2020
ICS 13.220.40; 29.020
English Version
Fire hazard testing - Part 1-12: Guidance for assessing the fire
hazard of electrotechnical products - Fire safety engineering
(IEC 60695-1-12:2015)
Essais relatifs aux risques du feu - Partie 1-12: Lignes Prüfungen zur Beurteilung der Brandgefahr - Teil 1-12:
directrices pour l'évaluation des risques du feu des produits Anleitung zur Beurteilung der Brandgefahr von
électrotechniques - Ingénierie de la sécurité incendie elektrotechnischen Erzeugnissen -
(IEC 60695-1-12:2015) Brandschutzingenieurwesen
(IEC 60695-1-12:2015)
This European Standard was approved by CENELEC on 2020-05-11. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60695-1-12:2020 E

European foreword
This document (EN IEC 60695-1-12:2020) consists of the text of IEC 60695-1-12:2015 prepared by
IEC/TC 89 "Fire hazard testing".
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2021-05-11
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2023-05-11
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

Endorsement notice
The text of the International Standard IEC 60695-1-12:2015 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
ISO 9239-1 NOTE Harmonized as EN ISO 9239-1

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60695-1-10 -  Fire hazard testing -- Part 1-10: Guidance - -
for assessing the fire hazard of
electrotechnical products - General
guidelines
IEC 60695-1-11 -  Fire hazard testing - Part 1-11: Guidance EN 60695-1-11 -
for assessing the fire hazard of
electrotechnical products - Fire hazard
assessment
IEC 60695-4 -  Fire hazard testing - Part 4: Terminology EN 60695-4 -
concerning fire tests for electrotechnical
products
IEC Guide 104 -  The preparation of safety publications and - -
the use of basic safety publications and
group safety publications
ISO/IEC Guide 51 -  Safety aspects - Guidelines for their - -
inclusion in standards
ISO 13943 2008 Fire safety - Vocabulary - -
ISO/TR 13387-2 -  Fire safety engineering – Part 2: Design - -
fire scenarios and design fires
ISO/TR 13387-8 -  Fire safety engineering - Part 8: Life safety - -
- Occupant behaviour, location and
condition
ISO/TS 16733 -  Fire safety engineering - Selection of - -
design fire scenarios and design fires
ISO/TR 16738 -  Fire-safety engineering - Technical - -
information on methods for evaluating
behaviour and movement of people
ISO/TR 17252 2008 Fire tests - Applicability of reaction to fire - -
tests to fire modelling and fire safety
engineering
ISO 23932 2009 Fire safety engineering - General principles - -

IEC 60695-1-12 ®
Edition 1.0 2015-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ

Fire hazard testing –
Part 1-12: Guidance for assessing the fire hazard of electrotechnical products –

Fire safety engineering
Essais relatifs aux risques du feu –

Partie 1-12: Lignes directrices pour l'évaluation des risques du feu des produits

électrotechniques – Ingénierie de la sécurité incendie

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.220.40; 29.020 ISBN 978-2-8322-1960-7

– 2 – IEC 60695-1-12:2015 © IEC 2015
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative References . 7
3 Terms and Definitions . 8
4 The fire safety engineering process . 14
4.1 General . 14
4.2 Fire safety engineering calculations . 15
4.3 Validity of methods . 15
5 Benefits of fire safety engineering . 16
6 Objectives, requirements and performance . 17
6.1 Fire safety engineering objectives. 17
6.1.1 General . 17
6.1.2 Safety of life . 17
6.1.3 Conservation of property . 17
6.1.4 Continuity of operations . 17
6.1.5 Protection of the natural environment . 18
6.1.6 Preservation of heritage . 18
6.2 Functional requirements . 18
6.3 Performance criteria . 18
6.3.1 General . 18
6.3.2 Explicit performance criteria . 18
6.3.3 Implicit performance criteria . 19
7 Design fire scenarios and design fires . 19
7.1 Design fire scenarios . 19
7.2 Design fires. 20
8 Data for fire safety engineering . 20
9 Tests on electrotechnical products . 21
9.1 General . 21
9.2 Conditions for evaluation in fire tests . 21
9.3 Electrotechnical product evaluations . 21
9.3.1 As the source of ignition of a fire . 21
9.3.2 As the victim of a fire . 22
9.4 Test selection and/or development . 22
Annex A (informative) A probabilistic fire risk assessment . 24
A.1 The assessment of a fire risk in accordance with the Russian national
standard GOST 12.1.004-91 [38] . 24
A.1.1 Introduction . 24
A.1.2 Probability Q . 24
fc
A.1.3 Probability Q . 25
fv
A.1.4 Probability Q . 25
pf
A.1.5 Probability Q . 25
ign
A.2 Example. 26
A.2.1 General . 26
A.2.2 Test data . 27

IEC 60695-1-12:2015 © IEC 2015 – 3 –
A.2.3 Calculation . 27
Bibliography . 29

Figure 1 – Flowchart illustrating an example of the fire safety engineering process as
applied to a major project in the built environment . 16

Table 1 – Examples of design fire scenarios . 19
Table 2 – Common ignition phenomena encountered in electrotechnical products . 23
Table A.1 – Long start-up mode: enclosure (shell) temperatures in the most heated up-
point . 27
Table A.2 – The enclosure temperature at the most heated point when working under
abnormal conditions . 28
Table A.3 – Failure data for abnormal operation .
...