SIST EN 50306-3:2020
(Main)Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 3: Single core and multicore cables screened and thin wall sheathed
Railway applications - Railway rolling stock cables having special fire performance - Thin wall - Part 3: Single core and multicore cables screened and thin wall sheathed
EN 50306-3 specifies requirements for, and constructions and dimensions of, multicore cables, rated voltage Uo/U=300/500 V, of the following type: Screened, 0,5 mm2 to 2,5 mm2, number of cores from 1 to 8. All cables have stranded tinned copper conductors, and thin wall thickness, halogen-free, insulation and sheath. They are for use in railway rolling stock as fixed wiring, or wiring where limited flexing in operation is encountered.
Bahnanwendungen - Kabel und Leitungen für Schienenfahrzeuge mit verbessertem Verhalten im Brandfall - Reduzierte Isolierwanddicken - Teil 3: Ein- und mehradrige Kabel und Leitungen geschirmt mit reduzierten Mantelwanddicken
Applications ferroviaires - Câbles pour matériel roulant ferroviaire ayant des performances particulières de comportement au feu - Isolation mince - Partie 3: Conducteurs et câbles blindés (paires, tierces et quartes) avec gaine d'épaisseur mince
Le présent document définit les exigences constructives et dimensionnelles des câbles multiconducteurs, de tension assignée U0/U = 300 V/500 V, du type suivant:
Câble blindé (0,5 mm2 à 2,5 mm2, 1 à 8 conducteurs).
Tous les câbles sont constitués d'âmes câblées en cuivre étamé, sous enveloppe isolante et gaine sans halogènes d'épaisseur mince. Ils sont destinés aux câblages fixes, ou aux câblages dont les flexions en service sont limitées, dans le matériel roulant ferroviaire.
Ces câbles sont conçus pour résister à des contraintes thermiques occasionnelles provoquant un vieillissement thermique équivalent à celui résultant d’un fonctionnement continu à 90 °C. Pour les câbles normalisés, cette température est déterminée par l’essai d’acceptation décrit dans l’EN 50305, qui consiste à appliquer un vieillissement thermique accéléré de longue durée (5 000 h) indiquant un indice de température de 110 °C/20 000 h. Si le client exigeait des prédictions de durée de vie, ces prédictions seraient fondées sur l’indice de température du produit tel que fourni par le fabricant. La température maximale admissible en cas de court-circuit est de 160 °C pendant 5 s.
Lorsqu'ils sont soumis au feu, les câbles présentent des caractéristiques de performance particulières quant aux valeurs maximales admissibles relatives à la propagation de la flamme et l'émission de fumées et de gaz toxiques. Ces exigences permettent aux câbles de satisfaire au niveau de risque 3 de l'EN 45545 1 et de l'EN 45545 2.
L’EN 50306 3:2020 est prévu pour être utilisé conjointement avec l’EN 50306 1:2020, Exigences générales, et avec l’EN 50306 2:2020, Câbles monoconducteurs.
Železniške naprave - Kabli v železniških vozilih s posebno požarno odpornostjo - Tanka stena - 3. del: Enožilni in večžilni kabli, zaslonjeni in tanko oplaščeni
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 50306-3:2020
01-junij-2020
Nadomešča:
SIST EN 50306-3:2003
Železniške naprave - Kabli v železniških vozilih s posebno požarno odpornostjo -
Tanka stena - 3. del: Enožilni in večžilni kabli, zaslonjeni in tanko oplaščeni
Railway applications - Railway rolling stock cables having special fire performance - Thin
wall - Part 3: Single core and multicore cables screened and thin wall sheathed
Bahnanwendungen - Kabel und Leitungen für Schienenfahrzeuge mit verbessertem
Verhalten im Brandfall - Reduzierte Isolierwanddicken - Teil 3: Ein- und mehradrige
Kabel und Leitungen geschirmt mit reduzierten Mantelwanddicken
Applications ferroviaires - Câbles pour matériel roulant ferroviaire ayant des
performances particulières de comportement au feu - Isolation mince - Partie 3:
Conducteurs et câbles blindés (paires, tierces et quartes) avec gaine d'épaisseur mince
Ta slovenski standard je istoveten z: EN 50306-3:2020
ICS:
13.220.40 Sposobnost vžiga in Ignitability and burning
obnašanje materialov in behaviour of materials and
proizvodov pri gorenju products
29.060.20 Kabli Cables
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
SIST EN 50306-3:2020 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 50306-3:2020
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SIST EN 50306-3:2020
EUROPEAN STANDARD EN 50306-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2020
ICS 13.220.40; 29.060.20; 45.060.01 Supersedes EN 50306-3:2002 and all of its amendments
and corrigenda (if any)
English Version
Railway applications - Railway rolling stock cables having
special fire performance - Thin wall - Part 3: Single core and
multicore cables screened and thin wall sheathed
Applications ferroviaires - Câbles pour matériel roulant Bahnanwendungen - Kabel und Leitungen für
ferroviaire ayant des performances particulières de Schienenfahrzeuge mit verbessertem Verhalten im
comportement au feu - Isolation mince - Partie 3 : Câbles Brandfall - Reduzierte Isolierwanddicken - Teil 3: Ein- und
monoconducteurs et multiconducteurs blindés avec gaine mehradrige Kabel und Leitungen geschirmt mit reduzierten
d'épaisseur mince Mantelwanddicken
This European Standard was approved by CENELEC on 2019-12-30. 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 50306-3:2020 E
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SIST EN 50306-3:2020
EN 50306-3:2020 (E)
Contents Page
European foreword .3
Introduction .4
1 Scope .5
2 Normative references .5
3 Terms and definitions .5
4 Single and multicore screened cables .6
4.1 General .6
4.2 Marking and code designation .6
4.2.1 Marking of cable .6
4.2.2 Code Designation .6
4.2.3 Marking on the insulation of cores for multi core cables .7
4.3 Rated voltage .7
4.4 Construction .7
4.4.1 Cores .7
4.4.2 Laying-up of cores in multicore cables .7
4.4.3 Metallic braid screening .7
4.4.4 Sheath .8
5 Tests .9
5.1 Definitions relating to tests .9
5.2 Voltage test .9
5.3 Voltage test on sheath .9
5.4 Spark test on the sheath .9
5.5 Water absorption of sheath . 10
5.6 Hot set test of sheath . 10
5.7 Ageing test of sheath . 10
5.8 Mineral oil resistance of sheath . 10
5.9 Fuel resistance of sheath . 11
5.10 Acid and alkali resistance of sheath . 11
5.11 Pressure test at high temperature . 12
5.12 Dynamic cut through . 12
5.13 Notch propagation of sheath . 12
5.14 Bending test at low temperature . 12
5.15 Abrasion resistance of sheath . 12
5.16 Ozone resistance . 12
5.17 Stress cracking test . 13
5.18 Fire performance tests . 13
Annex A (informative) Guidance on selection of cables for type approval . 16
Bibliography . 17
2
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SIST EN 50306-3:2020
EN 50306-3:2020 (E)
European foreword
This document (EN 50306-3:2020) has been prepared by CLC/TC 20, “Electric cables”.
The following dates are fixed:
• latest date by which this document has (dop) 2020-12-30
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2022-12-30
standards conflicting with this document
have to be withdrawn
This document supersedes EN 50306-3:2002 and all of its amendments and corrigenda (if any).
This edition includes the following significant technical changes with respect to the previous edition:
— The documents have been updated to reflect the changes in the test standard EN 50305;
— The reference to cited standards (e.g. EN 60811 series) has been updated.
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.
3
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SIST EN 50306-3:2020
EN 50306-3:2020 (E)
Introduction
The EN 50306 series covers a range of sheathed and unsheathed cables with thin wall thickness
insulation and based on halogen free materials, for use in railway rolling stock. It is divided into four
parts.
Part 1: General requirements;
Part 2: Single core cables;
Part 3: Single core and multicore cables screened and thin wall sheathed;
Part 4: Multicore and multipair screened or not screened sheathed cables.
Special test methods referred to in the EN 50306 series are given in EN 50305. A guide to use is given
in EN 50355 and rules for installation are given in EN 50343.
EN 50306-1, General requirements, contains a more extensive introduction to EN 50306 series and
should be read in conjunction with this document.
4
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SIST EN 50306-3:2020
EN 50306-3:2020 (E)
1 Scope
This document specifies requirements for, and constructions and dimensions of, multicore cables, rated
voltage U0/ U = 300/500 V, of the following type:
2 2
Screened (0,5 mm to 2,5 mm , number of cores from 1 to 8).
All cables have stranded tinned copper conductors, and thin wall thickness, halogen-free, insulation and
sheath. They are for use in railway rolling stock as fixed wiring or wiring where limited flexing in operation
is encountered.
These cables are rated for occasional thermal stresses causing ageing equivalent to continuous
operational life at a temperature of 90 °C. For standard cables, this is determined by the acceptance
test defined in EN 50305, using accelerated long-term (5 000 h) thermal ageing indicating a
110 °C/20 000 h temperature index. If the customer were to require lifetime predictions this would be
demonstrated based on the temperature index of the product as supplied by the manufacturer. The
maximum temperature for short circuit conditions is 160 °C based on duration of 5 s.
Under fire conditions, the cables exhibit special performance characteristics in respect of maximum
permissible flame propagation (flame spread) and maximum permissible emission of smoke and toxic
gases. These requirements are specified to permit the cables to satisfy Hazard Level 3 of EN 45545-1
and EN 45545-2.
EN 50306-3:2020 is expected to be used in conjunction with EN 50306-1:2020, General Requirements,
and EN 50306-2:2020, Single core cables.
2 Normative references
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.
EN 45545-1, Railway applications - Fire protection on railway vehicles - Part 1: General
EN 60332-1-2, Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for vertical
flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame
EN 61034-2, Measurement of smoke density of cables burning under defined conditions - Part 2: Test
procedure and requirements
EN 50305:2020, Railway applications - Railway rolling stock cables having special fire performance -
Test methods
EN 50306-1:2020, Railway applications - Railway rolling stock cables having special fire performance -
Thin wall - Part 1: General requirements
EN 50306-2:2020, Railway applications - Railway rolling stock cables having special fire performance -
Thin wall - Part 2: Single core cables
EN 60811 (all parts), Electric and optical fibre cables - Test methods for non-metallic materials
EN 62230, Electric cables - Spark-test method
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
5
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SIST EN 50306-3:2020
EN 50306-3:2020 (E)
— ISOOnline browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
4 Single and multicore screened cables
4.1 General
The completed cable shall conform to the applicable general requirements given in EN 50306-1:2020
and to the specific requirements of this Part 3.
Conformity with the requirements shall be checked by inspection and by the tests given in Table 2.
4.2 Marking and code designation
4.2.1 Marking of cable
Cables shall be marked with the following:
— Manufacturer's name;
— EN reference;
— Voltage rating (U0);
— Conductor size;
— A code designation according for use of the cable (see 4.2.2);
— Screening (S);
— Conductor temperature rating
For example:
XYZ EN 50306-3 300 V 1x1,5 MM S 90
The marking shall conform to the requirements of EN 50306-1:2020, Clause 5.
4.2.2 Code Designation
The following letters shall be
...
SLOVENSKI STANDARD
oSIST prEN 50306-3:2019
01-januar-2019
äHOH]QLãNHQDSUDYH.DEOLYåHOH]QLãNLKYR]LOLKVSRVHEQRSRåDUQRRGSRUQRVWMR
7DQNDVWHQDGHO (QRåLOQLLQYHþåLOQLNDEOL]DVORQMHQLLQWDQNRRSODãþHQL
Railway applications - Railway rolling stock cables having special fire performance - Thin
wall - Part 3: Single core and multicore cables screened and thin wall sheathed
Bahnanwendungen - Kabel und Leitungen für Schienenfahrzeuge mit verbessertem
Verhalten im Brandfall - Reduzierte Isolierwanddicken - Teil 3: Ein- und mehradrige
Kabel und Leitungen geschirmt mit reduzierten Mantelwanddicken
Applications ferroviaires - Câbles pour matériel roulant ferroviaire ayant des
performances particulières de comportement au feu - Isolation mince - Partie 3:
Conducteurs et câbles blindés (paires, tierces et quartes) avec gaine d'épaisseur mince
Ta slovenski standard je istoveten z: prEN 50306-3:2018
ICS:
13.220.40 Sposobnost vžiga in Ignitability and burning
obnašanje materialov in behaviour of materials and
proizvodov pri gorenju products
29.060.20 Kabli Cables
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
oSIST prEN 50306-3:2019 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
---------------------- Page: 1 ----------------------
oSIST prEN 50306-3:2019
---------------------- Page: 2 ----------------------
oSIST prEN 50306-3:2019
EUROPEAN STANDARD DRAFT
prEN 50306-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2018
ICS Will supersede EN 50306-3:2002
English Version
Railway applications - Railway rolling stock cables having
special fire performance - Thin wall - Part 3: Single core and
multicore cables screened and thin wall sheathed
Applications ferroviaires - Câbles pour matériel roulant Bahnanwendungen - Kabel und Leitungen für
ferroviaire ayant des performances particulières de Schienenfahrzeuge mit verbessertem Verhalten im
comportement au feu - Isolation mince - Partie 3: Brandfall - Reduzierte Isolierwanddicken - Teil 3: Ein- und
Conducteurs et câbles blindés (paires, tierces et quartes) mehradrige Kabel und Leitungen geschirmt mit reduzierten
avec gaine d'épaisseur mince Mantelwanddicken
This draft European Standard is submitted to CENELEC members for enquiry.
Deadline for CENELEC: 2019-02-08.
It has been drawn up by CLC/TC 20.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CENELEC 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
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
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Project: 67184 Ref. No. prEN 50306-3:2018 E
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oSIST prEN 50306-3:2019
prEN 50306-3:2018 (E)
Contents
European foreword .3
Introduction .4
1 Scope .5
2 Normative references .5
3 Single and multicore cables .6
3.1 General .6
3.2 Marking and code designation .6
3.2.1 Marking of cable .6
3.2.2 Code Designation .6
3.2.3 Marking on the insulation of cores for multi core cables .6
3.3 Rated voltage .7
3.4 Construction .7
3.4.1 Cores .7
3.4.2 Laying-up of cores in multicore cables .7
3.4.3 Metallic braid screening .7
3.4.4 Sheath .7
4 Tests .9
4.1 Definitions relating to tests .9
4.2 Voltage test .9
4.3 Voltage test on sheath .9
4.4 Spark test on the sheath .9
4.5 Water absorption of sheath . 10
4.6 Hot set test of sheath . 10
4.7 Ageing test of sheath . 10
4.8 Mineral oil resistance of sheath . 10
4.9 Fuel resistance of sheath . 11
4.10 Acid and alkali resistance of sheath . 11
4.11 Pressure test at high temperature . 11
4.12 Dynamic cut through . 11
4.13 Notch propagation of sheath . 12
4.14 Bending test at low temperature . 12
4.15 Abrasion resistance of sheath . 12
4.16 Ozone resistance . 12
4.17 Stress cracking test . 13
4.18 Reaction to fire . 13
Annex A (informative) Guidance on selection of cables for type approval . 15
Bibliography . 16
2
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oSIST prEN 50306-3:2019
prEN 50306-3:2018 (E)
European foreword
This document (prEN 50306-3:2018) has been prepared by Working Group 12, “Railway cables”, of
Technical Committee CENELEC TC 20, “Electric cables”, as part of the overall programme of work in
CENELEC TC 9X, “Electrical and electronic applications for railways”.
This document is currently submitted to the Enquiry.
The following dates are proposed:
• latest date by which the existence of this document has (doa) dor + 6 months
to be announced at national level
• latest date by which this document has to be (dop) dor + 12 months
implemented at national level by publication of an identical
national standard or by endorsement
• latest date by which the national standards conflicting (dow) dor + 36 months
with this document have to be withdrawn (to be confirmed or
modified when voting)
This document will supersede EN 50306-3:2002.
3
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oSIST prEN 50306-3:2019
prEN 50306-3:2018 (E)
Introduction
EN 50306 covers a range of sheathed and unsheathed cables with thin wall thickness insulation and
based on halogen free materials, for use in railway rolling stock. It is divided into four parts.
Part 1: General requirements;
Part 2: Single core cables;
Part 3: Single core and multicore cables screened and thin wall sheathed;
Part 4: Multicore and multipair cables standard wall sheathed.
Special test methods referred to in EN 50306 are given in EN 50305. A guide to use is given in
EN 50355 and EN 50343.
EN 50306-1, General requirements, contains a more extensive introduction to EN 50306, and should
be read in conjunction with this European Standard.
4
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oSIST prEN 50306-3:2019
prEN 50306-3:2018 (E)
1 Scope
This document specifies requirements for, and constructions and dimensions of, multicore cables,
rated voltage U / U = 300/500 V, of the following type:
0
- Screened
2 2
(0,5 mm to 2,5 mm , number of cores from 1 to 8).
All cables have stranded tinned copper conductors, and thin wall thickness, halogen-free, insulation
and sheath. They are for use in railway rolling stock as fixed wiring, or wiring where limited flexing in
operation is encountered.
These cables are rated for occasional thermal stresses causing ageing equivalent to continuous
operational life at a temperature of 90 °C. For standard cables this is determined by the acceptance
test defined in EN 50305, using accelerated long-term (5 000 h) thermal ageing indicating a
110 °C/20 000 h temperature index. Should the customer require lifetime predictions this should be
demonstrated based on the temperature index of the product as supplied by the manufacturer. The
maximum temperature for short circuit conditions is 160 °C based on duration of 5 s.
Under fire conditions the cables exhibit special performance characteristics in respect of maximum
permissible flame propagation (flame spread) and maximum permissible emission of smoke and toxic
gases. These requirements are specified to permit the cables to satisfy Hazard Level 3 of EN 45545-1.
prEN 50306-3:2018 has to be used in conjunction with prEN 50306-1:2018, General Requirements,
and prEN 50306-2:2018, Single core cables.
2 Normative references
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.
EN 45545-1, Railway applications - Fire protection on railway vehicles - Part 1: General
EN 60332-1-2, Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for
vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame
EN 61034-2, Measurement of smoke density of cables burning under defined conditions - Part 2: Test
procedure and requirements
EN 50305:2002, Railway applications - Railway rolling stock cables having special fire performance -
Test methods
prEN 50306-1:2018, Railway applications-Railway rolling stock cables having special fire performance
- Thin wall - Part 1: General requirements
prEN 50306-2:2018, Railway applications - Railway rolling stock cables having special fire
performance - Thin wall - Part 2: Single core cables
EN 60811 (all parts), Common test methods for insulating and sheathing materials of electric cables
EN 62230, Electric cables - Spark-test method
5
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oSIST prEN 50306-3:2019
prEN 50306-3:2018 (E)
3 Single and multicore cables
3.1 General
The completed cable shall conform to the applicable general requirements given in
prEN 50306-1:2018 and to the specific requirements of this Part 3.
Conformity with the requirements shall be checked by inspection and by the tests given in Table 2.
3.2 Marking and code designation
3.2.1 Marking of cable
Cables shall be marked with the following:
• Manufacturer's name;
• EN reference;
• Voltage rating (U );
O
• Conductor size;
• A code designation according for use of the cable (see 3.2.2);
• Screening (S);
• Conductor temperature rating
For example:
XYZ EN 50306-3P 300 V 1x1,5 MM S 90
The marking shall conform to the requirements of Clause 5 of prEN 50306-1:2018.
3.2.2 Code Design
...
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