Bsi bs en 04674 003 2015

BSI Standards PublicationBS EN 4674-003:2015 Aerospace series — Electrical cables, installation — Self-wrapping shielding EMI protective sleeve Part 003: Open sleeve — Inside pressurized

BSI Standards Publication

BS EN 4674-003:2015

Aerospace series — Electrical cables, installation — Self-wrapping shielding (EMI) protective sleeve

Part 003: Open sleeve — Inside pressurized area — EMI protection 5 kA — Temperature range — 65 °C to 200 °C — Product

standard

This British Standard is the UK implementation of EN 4674-003:2015 The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology

A list of organizations represented on this committee can be obtained on request to its secretary

This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application

© The British Standards Institution 2015 Published by BSI Standards Limited 2015

ISBN 978 0 580 84533 8 ICS 49.060

Compliance with a British Standard cannot confer immunity from legal obligations.

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2015

Amendments issued since publication

BS EN 4674-003:2015

EUROPEAN STANDARD

NORME EUROPÉENNE

EUROPÄISCHE NORM

February 2015

ICS 49.060

English Version Aerospace series - Electrical cables, installation - Self-wrapping

shielding (EMI) protective sleeve - Part 003: Open sleeve - Inside pressurized area - EMI protection 5 kA - Temperature

range - 65 °C to 200 °C - Product standard

Série aérospatiale - Câbles électriques, installation - Gaine

de protection blindée (EMI) auto-fermable - Partie 003 :

Gaine ouverte - Usage interne - Protection EMI 5 kA -

Température d'utilisation - 65 °C à 200 °C - Norme de

produit

Luft- und Raumfahrt - Elektrische Leitungen, Installation - Selbstschließender abschirmender (EMI) Schutzschlauch - Teil 003: Offener Schutzschlauch - Innerhalb druckbelüfteter Bereiche - EMI-Schutz 5 kA - Temperaturbereich -65 °C bis 200 °C - Produktnorm

This European Standard was approved by CEN on 4 January 2014

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom

EUROPEAN COMMITTEE FOR STANDARDIZATION

C O M I T É E U R O P É E N D E N O R M A L I S A T I O N

E U R O P Ä I S C H E S K O M I T E E F Ü R N O R M U N G

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2015 CEN All rights of exploitation in any form and by any means reserved

worldwide for CEN national Members

Ref No EN 4674-003:2015 E

Contents Page

Foreword 3

1 Scope 4

2 Normative references 4

3 Terms and definitions 5

4 Required characteristics 5

5 Test methods 9

6 Designation 10

7 Marking 10

BS EN 4674-003:2015

EN 4674-003:2015 (E)

3

Foreword

This document (EN 4674-003:2015) has been prepared by the Aerospace and Defence Industries Association

of Europe - Standardization (ASD-STAN)

After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN

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 August 2015, and conflicting national standards shall be withdrawn at the latest by August 2015

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom

1 Scope

This European Standard specifies the characteristics of flexible 5 kA self-wrapping shielding (EMI) protection sleeves, to be installed inside pressurized areas on electrical cables or cable bundles, made from nickel plated copper strands and PPS (polyphenylene sulfide) monofilament

Temperature range: − 65 °C to 200 °C

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies

EN 2591-214, Aerospace series — Elements of electrical and optical connection — Test methods — Part 214: Lightning strike, current and voltage pulse

EN 2591-307, Aerospace series — Elements of electrical and optical connection — Test methods — Part 307: Salt mist

EN 2825, Aerospace series — Burning behaviour of non metallic materials under the influence of radiating heat and flames — Determination of smoke density

EN 2826, Aerospace series — Burning behaviour of non metallic materials under the influence of radiating heat and flames — Determination of gas components in the smoke

EN 3475, Aerospace series — Cables, electrical, aircraft use — Test methods 1)

EN 3844-1, Aerospace series — Flammability of non metallic materials — Part 1: Small burner test, vertical — Determination of the vertical flame propagation

EN 4674-001, Aerospace series — Electrical cables, installation — Self-wrapping shielding (EMI) protective sleeve — Part 001: Technical specification

EN 4674-002, Aerospace series — Electrical cables, installation — Self-wrapping shielding (EMI) protective sleeve — Part 002: General and list of product standard

EN 6059, Aerospace series — Electrical cables, installation — Protection sleeves — Test methods 1)

ISO 4892-3, Plastics — Methods of exposure to laboratory light sources — Part 3: Fluorescent UV lamps

IEC 62153-4-3, Metallic communication cable test methods — Part 4-3: Electromagnetic compatibility (EMC) — Surface transfer impedance — Triaxial method 2)

ASTM D4894, Standard Specification for Polytetrafluoroethylene (PTFE) Granular Molding 3)

1) All its parts quoted in Table 5

2) Published by: IEC International Electrotechnical Commission http://www.iec.ch/

3) Published by: ASTM National (US) American Society for Testing and Materials http://www.astm.org/

BS EN 4674-003:2015

EN 4674-003:2015 (E)

5

3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 4674-001 apply

4 Required characteristics

4.1 Composition

This product is manufactured from PPS (polyphenylene sulfide) monofilaments and nickel-plated copper wire, with or without an internal protective tape

4.2 Dimensions and mass of the sleeve

See Figures 1 and 2, Tables 1 and 2

The minimum sleeve lengths shall be in accordance with EN 4674-001

Figure 1

Key

1 Warp

2 Weft

Figure 2

Table 1 — Dimensions and mass without internal protective tape Size

code thickness Wall to be protected Diameters Mass

05

0,9 ± 0,40

Table 2 — Dimensions and mass with internal protective tape Size

code thickness Wall to be protected Diameters Mass

05

1 ± 0,40

4.3 Colour, materials and tracer line identification

4.3.1 Colour, tracer line and sleeve identification

See EN 4674-001

BS EN 4674-003:2015

EN 4674-003:2015 (E)

7

4.3.2 Internal protective tape

The sleeve can be delivered with or without an internal protective tape which is in accordance with ASTM D4894 Type IV, Grade 2, see Table 3

Table 3 — Internal protective tape code

P With internal protective tape

W Without internal protective tape

4.3.3 Size identification

To identify each sleeve size, no specific tracer shall be specified The size can be verified by the installation of the sleeve on a mandrel or bundle and the tracer line

4.4 Electrical characteristics for EMI protection

4.4.1 Electrical resistance requirement

In accordance with Table 4

Table 4 — Electrical resistance requirement

Size code

DC Electrical resistance

Romax

mΩ/m After endurance cycles

Resistance measurement shall be done at ambient T and after endurance testing

4.4.2 Transfer impedance requirement

After endurance cycles the transfer impedance curve (see Figure 3) shall be below Zt max between 10 kHz and 100 MHz:

2 t

2 o

t max.= (R max.) +( L max.× ω)

Z

with

Ro max = see Table 4;

Lt max = 2 nH/m;

π = 3,141 6

where

f = the frequency in Hz;

Zt max = transfer impedance maximum acceptable

Zt

Frequency (MHz) Figure 3 — Transfer impedance curve

BS EN 4674-003:2015

EN 4674-003:2015 (E)

9

For sleeve size 5, the maximum admissible tolerance above the transfer impedance curve is 3.6 dB between

10 kHz and 600 kHz for all other frequencies the maximum admissible tolerance above the transfer impedance curve is 2 dB, on 1 % of the frequency according to X-axis

For sleeve sizes 8 to 13 included, the maximum admissible tolerance above the transfer impedance curve is 2.3 dB between 10 kHz and 600 kHz For all other frequencies the maximum admissible tolerance above the transfer impedance curve is 2 dB, on 1 % of the frequency according to X-axis

For all other sizes, the maximum admissible tolerance above the transfer impedance curve is 2 dB, on 1 % of the frequency according to X-axis

5 Test methods

The tests shall be carried out as shown in Table 5

For the number of samples to be tested and the test sequences, see EN 4674-001

Table 5 — Test methods and details (1 of 2)

EN 6059-201 Visual inspection Applicable

EN 6059-202 Dimensions and mass Applicable

EN 6059-203 Coverage Not applicable

EN 6059-301 Sun light exposure

Applicable (duration is 40 h) See ISO 4892-3, method B, cycle 5

The retention of the tensile strength shall be 45 % minimum

EN 6059-302 High temperature exposure Applicable

EN 6059-303 Resistance to fluids Applicable – The retention of the tensile strength shall be 45 % minimum

EN 3844-1b Flammability Applicable

EN 6059-305 Fluid absorption Not applicable

EN 6059-306 Mould growth Applicable

EN6059-308 Rapid change of temperature Applicable

TA = 200 °C and TB = − 65 °C

EN 6059-309 Fire resistance of protected bundle Not applicable

EN 6059-401 Expansion range Not applicable

EN 6059-402 Bending properties Applicable

EN 6059-403 Scrape abrasion Not applicable

EN 6059-404 Tensile strength Not applicable

EN 6059-405 Dynamic cut-through Applicable (load is 30 N)

EN 6059-406 Vibration Applicable

EN 6059-501 Voltage proof test Not applicable

EN 6059-502 Resistance to electrical arcs Not applicable

EN 6059-503 Temperature rise due to rated current Applicable

EN 6059-601 Open and close Applicable

Table 5 — Test methods and details (2 of 2)

EN 2825 Smoke density Applicable

EN 2826 Toxicity Applicable

EN 3475-301 Ohmic resistance per unit length Applicable

EN 3475-505

for metallic strands

EN6059-404

for non-metallic strands

Tensile test on conductors and strands Applicable during purchasing process

EN 3475-506 Plating continuity Applicable (test report issued by raw material manufacturer can be provided)

EN 3475-507 Adherence of plating Applicable (test report issued by raw material manufacturer can be provided)

EN 3475-508 Plating thickness Applicable (test report issued by raw material manufacturer can be provided)

EN 3475-509 Solderability Applicable during purchasing process for codes B, C

EN 3475-807

IEC 62153-4-3 Transfer impedance Applicable

EN 2591-214 Lightning strike, current and voltage pulse Applicable : 5 kA waveform 1

EN 2591-307 Salt mist Applicable: 96 h

6 Designation

EXAMPLE

Description block SLEEVE, PROTECTION

Identity block EN4674-003-XXX

Number of the basic standard

Sleeve model

Size code (see Table 1 and Table 2)

Variant: internal protective tape code (see Table 3)

7 Marking

See EN 4674-002

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