1、STD-AECMA PREN 3155-027-ENGL 2000 m 1012311 0038092 436 Edition approved for publication AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months after the date of publication to C2 Chairman prEN 31 55-027 Edition P 2 February 2000 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AERO
2、SPACE INDUSTRIES (AECMA) Gulledelle 94 - 8-1200 BRUXELLES - Tel. (+32) 2 775 81 10 - Fax. (+32) 2 775 81 11 ICs: 49.060 Superseding edition P 1 March 1993 Descriptors: ENGLISH VERSION Aerospace series Electrical contacts used in elements of connection Part 027: Contacts, electrical, female, type A,
3、crimp, class R Product standard Srie arospatiale Contacts lectriques utiliss dans les organes de connexion Part 027: Contacts lectriques, femelles, type A, sertir, classe R Norme de produit Luft- und Raumfahrt Elektrische Kontakte zur Verwendung in Verbinungselementen Teil 027: Elektrische Buchsenko
4、ntakte, Typ A, crirnpbar, Klasse R Produktnorm This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (The European Association of Aerospace Industries). if is published on green paper for the needs of AECMA- Members. It has been technically approved by the experts o
5、f the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. Affer
6、examination and signature of the AECMA Standard Checking Cenfre (NPS) and formal agreement of the Oficial Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. 2000-02-29 AECMA Gulledelle 94 B-1200 BRUXELLE
7、S Mr Peuetta L I I 1 0 aecma 2000 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STD-AECMA PREN 3155-027-ENGL 2000 W 1012311 0038093 372 Page 3 prEN 3
8、155-027: 2000 O In trod uction The contacts defined by this standard are derived from those of MIL-C-39029194 and intermateable with those of MIL-C-39029193. I Scope This standard specifies the required characteristics and tests applicable to female contacts 027, type A, crimp, class R, used in elem
9、ents of connection according to EN 31 55-002. The associated male contacts are defined in EN 31 55-026. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the t
10、ext and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to appl
11、ies. IS0 8843 EN 2083 EN 2591* EN 3155-001 EN 3155-002 EN 3155-026 EN 3682-001 MIL-DTL-22520 MIL-C-22520/1 MIL-C-2252012 MIL-C-2252017 MI L-(2-39029 MI L-C-39029/93 MIL-C-39029/94 MIL-1-81969 MIL-I-81969/1 Aircraft - Crimp removable contacts for electrical connectors - Identification system Copper a
12、nd copper alloy conductors for electrical cables - Aerospace series 1) Aerospace series - Elements of electrical and optical connection - Test methods - General Aerospace series - Electrical contacts used in elements of connection - Part 001: Technical specification 2) Aerospace series - Electrical
13、contacts used in elements of connection - Part 002: List and utilization of contacts 2) Aerospace series - Electrical contacts used in elements of connection - Part 026: Contacts, electrical, female, type A, crimp, class R Product standard 2) Aerospace series - Connectors, plug and receptacle, elect
14、rical, rectangular, interchangeable insert type, rack to panel operating temperature 150 “C continuous - Part O01 : Technical specification 2) Crimping tools, terminal, hand or power actuated, wire termination, and tool kits, general specification for 3) Crimping tools, terminal, hand, wire terminat
15、ion for wire barrel sizes 12 through 20 3) Crimping tools, terminal, hand, wire termination for wire barrel sizes 20 through 28 3) Crimping tools, terminal, hand, wire termination for wire barrel sizes 16, 20 and 22 3) Contacts, electrical connector, general specification for 3) Contacts, electrical
16、 connector, pin, crimp removable, (for DOD-C-83527, connectors) 3) Contacts, electrical connector, socket, crimp removable, (for DOD-C-83527, connectors)3) Installing and removal tools, connector electrical contact, general specification for 3) Installing and removal tools, connector electrical cont
17、act, type III, class 2, composition C 3) MIL-1-81969128 Installing and removal tools, connector electrical contact, type II, class 2, composition C 3) * And all its part quoted 1) Published as AECMA Standard at the date of publication of this standard 2) Published as AECMA Prestandard at the date of
18、 publication of this standard 3) Published by: Department of Defense (DOD), the Pentagon, Washington D.C. 20301 USA. Previous page is blank Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking pe
19、rmitted without license from IHS-,-,-STD*AECMA PREN 3155-027-ENGL 2000 5 LOL23LL OOLB014 209 0 Page 4 prEN 3155-027: 2000 3 Definitions See EN 3155-001. 4 Required characteristics 4. I Specific characteristics Type A contacts are for general application and class R corresponds to an operating temper
20、ature range from -65“CtO+150C. 4.2 Dimensions and mass See figure 1, figure 2 and table I. Dimensions and tolerances are given in millimetres and apply after surface treatment. m/ #Generalconcentricity ContactsizeZZandZO -1A m#8 Contcctsizel6andl2 wl#A m#8 NOTE I : Point at which a square ended gaug
21、e pin of the same diameter as the mating contact first engages the female contact spring member. NOTE 2: This dimension represents both the length of the bore 0 A which includes the active zone of protection (ref. EN 3155-001, 5.3.2). Figure 1 l 3.18 max. I I I Chamfer or radius Figure 2 - Barrel, C
22、ontacts 22-22 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- sTD.AECMA PREN 3155-027-ENGL 2000 9 1012311 0038095 145 Page 5 prEN 3155-027: 2000 Size
23、Contact Barrel 22 22 20 16 2o l6 l2 12 Figure 3 - Barrel, contacts 12-12,16-I6 and 20-20 (optional) A 6 C D E G H J K M min. max. min. 0,05 0,08 - 0,05 0,08 2,72 229 Io7 0,08 0,13 3,81 1,32 0,95 1,78 1,55 o,79 1,27 0,86 1,73 1,50 1,04 0,46 1,73 1,17 2,13 1,88 1,65 1,09 2,08 1,73 Io5 1,32 0,64 2,62 1
24、,73 3,40 2,87 2,57 1,68 3,30 2,69 163 2,03 0,91 3,76 2,49 4,72 4,OI 3,30 0,91 3,84 2t59 4883 4809 2,43 3B56 Ito7 0,08 0,13 3,81 Size Contact Barrel 22 22 20 16 12 2o j6 N P S T U X Z AA FF Mass min. max. min. max. 1,09 0,16 4,19 6,02 10,41 7,11 0,86 4,09 3,43 5,87 10,19 0,74 3,35 - 4183 4D19 I9zo5 8
25、,26 1,04 0,86 1,75 1,83 1,42 o,37 3,81 3,94 18,92 0,74 1,37 1,68 6.35 6,22 18,03 1,12 1,75 2,72 6,35 6,22 18,03 1,12 1,75 3,94 9 7,37 6,53 18,24 11,89 1,52 2,11 2882 2,18 0,76 7,37 6,53 18,24 11,89 1,52 2,11 4801 2,95 1,60 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Pro
26、vided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-STD-AECIA PREN 1155-027-ENGL 2000 111 2012331 0038096 081 = Page 6 prEN 3155-027: 2000 I I 4.3 Marking by colour code See tabie 2. Contact 22 20 16 12 Table 2 Barrel Band 1 Band 2
27、Band 1 Band 2 Band 3 22 Green Green Blue Black Brown 20 Red Red Blue Black Red 16 Blue Blue Blue Black Orange 12 Yellow Yellow Blue Black Yellow Size Two bands according to IS0 8843 Size of conductors I Size db I I I Three bands according to MI L-C-39029/93 Rated test Contact 4.4 Mat e ri a I, s u r
28、fa c e t rea trn e n t current 1 AWGa 1 A Section AECMA 1 Code Barrel - Body material: copper alloy. - Surface treatment: gold on appropriate undercoat, thickness of protection not specified, selective protection permitted. O 06 004 002 4.5 Permissible cables 20 22 24 Table 3 12 3 030 12 23 2 020 14
29、 17 12 22 22 0,4 0,25 0,15 004 002 O01 22 24 26 5 3 2 20 20 7,5 5 3 16 16 012 O10 006 16 18 20 13 Il 7,5 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-
30、,-STD.AECMA PREN 3155-027-ENGL 2000 9 1012311 0038097 TL8 Page 7 prEN 3155-027: 2000 Contact 4.6 Tooling 4.6.1 Crimping tools Conform to MIL-DTL-22520, see table 4. The qualification selector numbers used for crimping copper or copper alloy conductors in cables EN 2083 are indicated in table 4.H is
31、the user responsability if the parameters in table 4 are changed for service use. Table 4 Cable size Tools M22520/1-O1 Tools M2252012-01 Tools M22520/7-01 22 20 Selector I I Positioner 1 number size I size I code 1 a I 1 I Positioner :ontact Barrel AECMA AWG O0 1 26 - 4 - - Not - M22520/2-23 3 appli
32、cable Not 24 Applicable 22 002 004 22 - 3 - 002 24 - 5 4 - M22520/2-08 6 M22520R-02 5 Not 22 Applicable 20 004 006 20 - 7 6 i6 006 20 4 - 5 - M2252OR-O3 6 012 16 6 - 7 M22520/1-02 Not blue . applicable 16 o1 o 18 l2 030 020 12 _ a AWG: Closest American Wire Gage. - Not - 7 Not 12 8 applicable - appl
33、icable - l4 . M22520/1-11 4.6.2 Insertion / extraction tools Conform to MIL-1-81969. See table 5 Size Contact Barrel 22 22 20 20 Table 5 Insertion tools Extraction tools M81969/1-01 M81969/1-O1 M8196911-O2 M81969/1-02 1 12 I 16 I 16 I M8 1 969/ 1 -03 I M81969/1-O3 I 12 - M81969/28-O2 Size Contact Ba
34、rrel 22 22 20 20 4.7 Cable stripping Stripped length of cable mm 395 f 0,5 4 Table 6 16 12 16 6 12 6 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,- S
35、TD.AECMA PREN 3155-027-ENGL 2000 m LOL23LL OOLO 954 m 1 O1 102 Page 8 prEN 3155-027: 2000 Visual examination X Examination of dimensions and mass X See 4.2 4.8 Tests See table 7. 201 I Contact resistance - IOW levei Table 7 X EN 2591- 202 1 Contact resistance at rated current Test X 203 1 Electrical
36、 continuitv at microvolt level X _. . 204 206 207 210 Discontinuity of contacts in the microsecond range Measurement of insulation resistance X Voltage proof test X Electrical overload X X 21 1 212 220 Capacitance measurement X Surface transfer impedance X Contact / conductor joint ageing by X tempe
37、rature and current cycling T= (150 + z) “C X Duration: 1 O00 h 301 Rapid change of temperature 305 I Endurance at temperature 306 I Mould orowth X 307 1 Salt mist X 502 I Restricted entry I I X I 31 5 31 6 31 9 402 403 406 415 Fluid resistance X Ozone resistance X connections Shock X Severity 30, me
38、thod A - See Sinusoidal and random vibration X According to EN 3682-001 Mechanical endurance X Test mobe damage X Gas-tightness of solderless wrapped X EN 3682-001 fig 37, 38 & 39 paragraph 7.2.2 41 6 41 7 418 424 425 501 Contact bending strength X Tensile strength X Gauge insertion and extraction f
39、orces in and X Stripping force, solderless wrapped connection X Unwrapping, solderless wrapped connections X Soft solderincl X out of a female contact 503 I Contact deformation after crimping X 507 I Platina Dorositv X 508 509 Measurement of thickness of coating on contacts Adhesion of coatinu on co
40、ntacts X The measured thickness x shall be recorded 513 514 Magnetic permeability X Solderability of contacts with self contained X solder and flux Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or netwo
41、rking permitted without license from IHS-,-,-STDmAECMA PREN 3155-027-ENGL 2000 I 1012311 0038099 890 Page 9 prEN 3155-027: 2000 5 Designation Contact size (see table 1) Barrel size (see table 1) NOTE: If necessary, the code 19005 shall be placed between the description block and the identity block. 6 Marking See EN 31 55-001. 7 Technical specification See EN 31 55-001. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
