1、 g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58systems Terminal junction systems Part 002: Performance specificationThe European Standard EN 3708-
2、002:2006 has the status of a British StandardICS 49.060Aerospace series Modular interconnection BRITISH STANDARDBS EN 3708-002:2006BS EN 3708-002:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 September 2006 BSI 2006ISBN 0 580 49217 6
3、Amendments issued since publicationAmd. No. Date CommentsThis publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.National forewordThis B
4、ritish Standard was published by BSI. It is the UK implementation of EN 3708-002:2006.The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/-/3, Aerospace Connectors.A list of organizations r
5、epresented on ACE/6/-/3 can be obtained on request to its secretary.EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3708-002May 2006ICS 49.060English VersionAerospace series - Modular interconnection systems - Terminaljunction systems - Part 002: Performance specificationSrie arospatiale - Systmes
6、 dinterconnexionsmodulaires - Barrettes de raccordement - Partie 002 :Spcification de performancesLuft- und Raumfahrt - Verteilersystem in modularerBauweise - Verteilermodule - Teil 002: LeistungsdatenThis European Standard was approved by CEN on 16 March 2006.CEN members are bound to comply with th
7、e CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or
8、to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.
9、CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Swit
10、zerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN
11、3708-002:2006: E2 Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Terms and definitions.4 4 Operating conditions 4 5 Contacts.5 6 Filler plugs.5 7 Technical specification.5 EN 3708-002:20063 Foreword This European Standard (EN 3708-002:2006) has been prepared by the European Associat
12、ion of Aerospace Manufacturers - Standardization (AECMA-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 AECMA, prior to its present
13、ation 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 November 2006, and conflicting national standards shall be withdrawn at the latest by November 2006. Attention is drawn to the possibi
14、lity 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
15、bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerl
16、and and the United Kingdom. EN 3708-002:20064 1 Scope This standard specifies the general characteristics of terminal junction systems for modular interconnection systems in accordance with EN 3708-001, including versions with sealed or unsealed modules, the interconnection diagrams of which may be
17、different and defined in the product standards. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any
18、 amendments) applies. EN 2083, Aerospace series Copper or copper alloy conductors for electrical cables Product standard. EN 2591-100, Aerospace series Elements of electrical and optical connection Test methods Part 100: General. EN 2591-209, Aerospace series Elements of electrical and optical conne
19、ction Test methods Part 209: Current temperature derating. EN 3155-016, Aerospace series Electrical contacts used in elements of connection Part 016: Contacts, electrical, male, type A, crimp, class S Product standard.1)EN 3708-001, Aerospace series Modular interconnection systems Terminal junction
20、systems Part 001: Technical specification. EN 4008-003, Aerospace series Elements of electrical and optical connection General accessories and tooling Part 003: Filler plugs for contacts used in elements of electrical connection. 2)3 Terms and definitions For the purposes of this standard, the terms
21、 and definitions given in EN 2591-100 and EN 3708-001 apply. 4 Operating conditions 4.1 Authorized cables The performance of modular interconnection systems shall be guaranteed on cables the dimensions of which are given in Table 1, using the cabling accessories and tools given in the product standa
22、rds. 1) Published as AECMA Prestandard at the date of publication of this standard. 2) In preparation at the date of publication of this standard. EN 3708-002:20065 Table 1 External diameter of cables mm Contact size min. max. 22 0,72 1,37 20 0,85 2,1016 1,20 2,6212 1,90 4,01 4.2 Required characteri
23、stics 4.2.1 Electrical requirements Insulation resistance at ambient temperature: 5 000 M; Voltage proof test: 1 500 V r.m.s., at sea level, 50 Hz; Nominal allowable intensity according to contacts: the nominal allowable intensity at extreme temperature in contacts (175 C) shall depend on their size
24、 and the cable used according to Table 2. Table 2 Section mm Conductor size Nominal intensity Contact size min. max. Code a AWG b A 22 0,15 0,38 001, 002, 004 26, 24, 22 5 20 0,21 0,93 002, 004, 006, 010 24, 22, 20, 18 7,5 16 0,60 1,34 006, 010, 012 20, 18, 16 13 12 1,91 3,18 020, 030 14, 12 23aSee
25、EN 2083. bAmerican Wire Gauge Warming due to the passing current shall not cause the maximum temperature to be exceeded. See EN 2591-209. 4.2.2 Climatic category 55 C to 175 C 5 Contacts See EN 3155-016. 6 Filler plugs See EN 4008-003. 7 Technical specification See EN 3708-001. EN 3708-002:2006BS EN
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