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20 8 3:200 1
TheEuro ea S ta d rdEN20 8 3 :20 0 1h sthes tatusofa
B ritis hS ta dard
ICS4 0 0
N COPYIN G WITH OU T BSI PE MIS IO E C PT AS PER MIT ED B COPY IGH T LAW
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ªFutureae ros pac ec ables pec ific atio swillbec ros s -re feredtoBS3 G23 1fortheir
c on uc tor eq ireme nts º.)
Cros -r efer ences
TheB ritis hS ta d rdswhic himpleme ntintern tio alorEuro ea p blc ations
referedtointhisd c umentma befo n intheB S IS ta d rdsCatalogueu de rthe
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c ontrac t.Us er ofB ritis hS ta d rdsareres po s ibleforthe irc orec ta plic atio
Compla ncewithaBritishSta nda rddo snotofitselfconferimmu ity
f omleg a lo lg a tions
Summaryofpa ges
Thisd c umentc ompris esafo tc over,a ins idefo tc over,theENtitlep ge,
p ges2to6,a ins ideb c kc overa dab c kc over
TheB S Ic op rightn tic edis playedinthisd c umentin ic ate swhenthed c ument
waslas tis s ued
Trang 3N ORM E EU ROPÉEN N E
Apr il 2 01
ICS 4 0 0
En ls ver sion
Aer ospace ser ies - Copper and copper al oys conductors for
electrical cables - Pr oduct standard
Sé e a r os atiale - Co d cte r s e c ivr e o e al a e d
c ivre p ur c ble éle tr i u s - Nor me d pro uit
L f u d Ra mfa rt - L iter a s K upfer o er
K upferle ier un für elektris h L itu g n - Pr od ktn r m
This Eur op a Sta d r d wa a pr ov d b CEN o 2 Ma 2 0
CEN memb rs ar e b u d to c mply w ith th CEN/CENELEC Inter nal Re ulatio s w hic stip late th c n itio s for givin this Eur op a
Sta d rd th statu of a n tio al sta d r d with ut a y alter atio Up-o-d te lsts a d biblo ra hic l r efer en e c n ernin s c n tio al
sta d r ds ma b o tain d o a plc tio to th Ma a eme t Ce tre or to a y CEN memb r
This Eur op a Sta d rd e ists in thr ee oficial v rsio s (En ls ,Fre c , Ger ma ) A v r sio in a y oth r la g a e ma e b tr an latio
u d r th r es o sibi ty of a CEN memb r into its own la g a e a d n tifie to th Ma a eme t Ce tr e h s th s me statu a th oficial
v er sio s
CEN memb r s ar e th n tio al sta d rd b die of Au tr i , Belgium, Cz c Re u lc,De mark, Finla d,Fr an e, Germa y, Gr ee e,
Ic la d, Irela d,Italy,L x mb ur g, Neth r l n s, Nor wa , Portu al Sp in, Sw ed n,Sw itz r l n a d Unite K in d m
E U R OPE A N COMMI T TE E FOR STA N DA R DIZ A T I ON
COMIT EUROPÉ N DE N RMALISATION
EUROPÄISCHES KOMIT E FÜR NORMUN
Management Cente: rue de Sta s r, 3 B-10 0 Brus els
© 2 01 CEN Al rig ts of e ploitatio in a y form a d b a y me n r es r ve Ref.No.EN 2 8 :2 01 E
Trang 4EN 2 8 :2 01
Foreword
This Euro e n Stan ar d has b en pre ared by the Euro e n As ociation of Aerosp ce Man facturers
(A ECMA )
Afer in uiries an votes car ried out in ac ordan e w ith the rules of this A ssociation, this Stan ard has
receiv ed the a proval of the National As ociation an the Oficial Serv ices of the memb r cou tries of
AECMA , pr ior to its pr esentation to CEN
This Euro e n Stan ard s al b given the statu of a national stan ard, either by publcation of an identical
text or by en orsement, at the latest by Octo er 2 01, an conflctin national stan ard s al b w ith raw n
at the latest by Octo er 2 01
Ac or din to the CEN/CENELEC Internal Reg lation , the national stan ard or ganization of the folow in
cou tr ies ar e b u d to implement this Eur op an Stan ard: A ustria, Belgium, Czec Re ublc, Denmark,
Finlan , Fran e, Germany, Gre ce, Icelan , Irelan , Italy, Lu emb urg, Nether lan s, Norw ay, Portu al,
Sp in, Sw eden, Sw itzer lan an the United K in dom
Trang 5EN 2 8 :2 01
This stan ard sp cifies the dimen ion , lne r resistan e, mec anical c aracteristic , con tr uction an mas
of con u tors in co p r or co p r aloy for electrical ca les for a rosp ce a plcation
It a ples to stran ed con u tors, w ith a nominal cros -sectional are of 0,15 mm
2
to 10 mm
2
in lu iv e
The con u tor s for thermocouple exten ion an fire-resistant ca les are not cov ered by this stan ard
This Eur op an Stan ar d in orp rates by dated or u dated referen e provision fr om other publcation
These normative refer en es are cited at the a pro riate places in the text an the publcation ar e lsted
her eafer For dated referen es, s bseq ent amen ments to or r evision of an of these publcation a ply to
this Eur op an Stan ard only w hen in or porated in it by amen ment or r evision For u dated r eferen es the
latest edition of the publcation r efer red to a ples
IEC publcation 2 (19 5) International stan ard of resistan e for co p r
IEC publcation 3 4 (19 0) Guide to the calc lation of resistan e of plain an co ted co p r con u tor s of
low -fr eq en y ca les an w ires
EN 3 7 -10 A erosp ce ser ies - Ca le, electr i al, aircraf u e - Test method - Part 10 : General
1)
EN 3 7 -3 1 Aer osp ce series - Ca le, electrical, air craf u e - Test method - Part 3 1: Electrical
r esistan e p r u it len th
1)
EN 3 7 -5 6 Aer osp ce series - Ca le, electrical, aircr af u e - Test method - Par t 5 6: Platin
contin ity
1)
EN 3 7 -5 7 Aer osp ce series - Ca le, electrical, aircr af u e - Test method - Par t 5 7: Ad eren e
of platin
1)
For the pur poses of this stan ar d, the definition an s mb ls given in EN 3 7 -10 for con u tors a ply
4 Conductor materials and construction
4.1 Materials
Con u tors complyin w ith this stan ard are made from stran s in hig con u tivity an e led electrolytic
co p r (se IEC 2 ) or co p r aloy
The con u tors for nominal cros -sectional are s 0,15 mm
2
an 0,2 mm
2
s al b made from co p r aloy
Trang 6EN 2 8 :2 01
4.2 Metal plating
The in ivid al stran s may b :
? u co ted (code A);
? or pr ovided w ith u iform platin s of tin (code B) or siver (code C) or nic el (code D)
Platin thic nes es s al b at le st 1,0 ? m for siv er an 1,3 ? m for nic el
When tin platin is authorized, the thic nes s al b s ficient to comply w ith the tests sp cified in
EN 3 7 -5 6 an EN 3 7 -5 7
4.3 Ele trolytic c pper
The elon ation pr ior to r upture, for e c co p r str an , s al not b les than 10 %
The ten ie stren h, for e c co p r stran , s al b at le st 2 0 MPa
4.4 Copper al oy
For cros -sectional ar eas 0,15 mm
2
2
in co p r aloy, u e an aloy w ith the folow in
c aracteristic :
? maximum r esistiv ity: 2,4 ? 10
-8
?.m 2)
? minimum ten ie str en th: 3 0 MPa;
? minimum elon ation: 6 %
4.5 Construction of conductors
4.5.1 Lay len th
Up to 9 mm
2
cros -section in lu iv e (code 0 0), con entric con u tors are u ed The lay for the str an s of a
con entr i con u tor, c ec ed over the outside layer of a test piece 1 m lon , s al b b tw een 8 times an
16 times the maximum diameter of this con u to
For sectional are s b tw een 14 mm
2
an 10 mm
2
(codes 14 to 10 ), the con u tor compr i es con entric
or bu c ed con u tors tw isted together The lay of the stran s for the b sic con entr i or bu c ed
con u tors s al not ex e d 3 times the diameter of the con entric or bu c ed con u tor in q estion
The lay for con entric (or bu c ed) con u tors, me s r ed over the outer layer of the con u to s al b
b tw een 8 times an 16 times the maximum con u tor diamete
In al cases the lay of the outer layer s al b lef han
4.5.2 Joints
The con u tors s al b fre from an joints Eac str an compr i in the con u tors may, how ever, in lu e
soldered or brazed joints For stran s w ith a diameter of 0,2 mm or gr eater, but joints s al b u ed
The distan e b tw een tw o joints in in iv id al stran s s al ex e d 3 m, me s r ed b tween difer ents stran s
4.5.3 Compa tio
Comp ction of the con u tor, cau in defor mation of the stran s or damage to the platin , is not p r mited
?????????
Trang 7EN 2 8 :2 01
Se ta le 1
Table 1
Co e
Nomin l
s ctio
Numb r
of
str an s
Nomin l
diameter
of str an s
Diameter
of c n u tor
mm
Lin ar r esista c
max at 2 °C
a
?/ k m
Br eak in
lo d
N
Ma s
of c n u tor
k g/ k m b AWG c
mm
2
mm min max A a d C B a d D min min max
Numb r
of
mis in
str an s
0 1
0 2
0 4
0 6
010
012
0 0
0 0
0 0
0 1
0 0
14
2 0
3 0
4 0
5 0
6 0
8 0
10
0,15
0,2
0,4
0,6
1
1,2
2
3
5
5
e
9
f
14
2
3
4
5
6
8
10
19
19
19
19
19
19
3
3
3
61
12
2 ?
3 ?12
3 ?19
3 ? 3
3 ? 9
3 ? 7
4 ? 6
61? 6
0,10
0,12
0,15
0,2
0,2
0,3
0,2
0,3
0,4
0,3
0,3
0,3
0,2
0,2
0,2
0,2
0,2
0,2
0,2
0,4
0,5
0,7
0,9
1,18
1,3
1,6
2,12
2,6
2,7
?
?
?
?
?
?
?
?
?
0,5
0,6
0,8
1,0
1,2
1,5
1,8
2,2
2,8
2,9
4,4
5,5
6,8
8,6
9,5
10,7
12,10
13,6
15,2
14
10
5 ,3
31,0
19,6
13,6
10,2
6,4
4,0
3,9
2,1
1,4
0,8
0,5
0,4
0,3
0,2
0,2
0,18
16 d
1 4 d
6
3 ,2
21,1
14,5
10,9
6,8
4,2
4,1
2,3
1,5
0,9
0,61
0,51
0,4
0,3
0,2
0,2
4
6
71
12
19
2 5
3 5
6 5
10 0
10 0
?
?
?
?
?
?
?
?
?
1,2
1,7
2,8
5,15
8,16
1 ,6
16,0
2 ,0
41,2
4 ,2
1,6
2,18
3,4
5,9
9,16
13,2
18,0
2 ,5
4 ,0
4 ,0
8
13
216
3 2
414
5 2
6 6
8 1
10 9
2
2
2
2
18
16
14
12
10
10
8
6
4
2
1
0
0
0 0
0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
3
4
5
a
Th ln ar r esista c at oth r temp r atur es ma b c lc late u in th for mula giv en in EN 3 7 -3 1
b
Not tak in into c n id r atio metal platin s, a s min th t th ir efe t is minimal
c
AWG: clo e t Ame c n Wir e Ga e
d
Not av aia le a c d leter B
e
This giv es a mor e flex ible c n tr uctio whic ma b u e a a alter nativ e
f
Co e ? 0 0:
a) Lin ar r esista c c lc late in a c r da c with th pr oc d r e in IEC 3 4;
wher e
k1 is 1,0 (A a d C) a d 1,14 (B a d D)
k2 is 1,0 (c d 0 0) a d 1,0 (c d s ? 14 )
k3 is 1 (c d 0 0) a d 1,0 (c d s ? 14 )
b) Maximum ma s:
M = ? ? S ? k2 ? k3 ? k t
wh r e
? is 8,9 (Cu)
S is a tu l n min l s ctio in mm
2
;
k2 a d k3 ar e th s me c eficie ts a th s for ln ar r esista c ;
k t is 1,0 (c eficie t of str an diameter at max imum: b s d o a str an of 0,2 mm n min l a d 0,2 5 mm max imum:
0,2 5
2
/0,2
2
)
Co e 0 0: M is 9,6 S Co e ? 14 : M is 9,91S
Trang 8EN 2 8 :2 01
Se EN 3 7 -10
EXA MPLE:
De cription blo k
CONDUCTOR
Id ntity bloc
EN2 8 C010
Numb r of this stan ard
C = Mater ial code for platin (se 4.2)
Code for nominal cr os -sectional ar ea (se ta le 1)
NOT E: I n ces ary, th co e ?9 0 sh l b place b twee th d s riptio block a d th id ntity block
8 Mark ing, pack aging and del v ery lengths
On delv ery the identification referen e s al b completed by the len th, date an in p ction mark
The con u tors s al b delver ed on sp ols or re ls
They s al b w ou d in a r eg lar an u ifor m man er an req ire an a pro riate protection, not afectin the
pr od ct delver ed
Eac u it delv ered may contain one or sev eral len th as sp cified by the pur chaser
Trang 1020 8 3:2001
B S I
3 8 9Chis wic kHighRoa
L ndo
W44AL
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B S Iisthein epen e ntn tio alb d res po s ibleforprep ringBritis hS ta d rds It
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