BS EN 3774-004-2014 Aerospace series Circuit breakers three-pole temperature compensated rated currents 1 A to 25 A UNC thread terminals Product standard《航空航天系列 额定电流为1 A至25 A的温度补偿三.pdf
《BS EN 3774-004-2014 Aerospace series Circuit breakers three-pole temperature compensated rated currents 1 A to 25 A UNC thread terminals Product standard《航空航天系列 额定电流为1 A至25 A的温度补偿三.pdf》由会员分享,可在线阅读,更多相关《BS EN 3774-004-2014 Aerospace series Circuit breakers three-pole temperature compensated rated currents 1 A to 25 A UNC thread terminals Product standard《航空航天系列 额定电流为1 A至25 A的温度补偿三.pdf(16页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationBS EN 3774-004:2014Aerospace series Circuitbreakers, three-pole,temperature compensated,rated currents 1 A to 25 APart 004: UNC thread terminals ProductstandardBS EN 3774-004:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3774-004:
2、2014.It supersedes BS EN 3774-004:1999 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ACE/6, Aerospace avionic electrical and fibre optictechnology.A list of organizations represented on this committee can beobtained on request to its secretary.This pu
3、blication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 83454 7ICS 49.060Compliance with a British Standard cannot confer immunity f
4、romlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2014.Amendments issued since publicationDate Text affectedBS EN 3774-004:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3774-004 July 2014 ICS 49.060 Supe
5、rsedes EN 3774-004:1999English Version Aerospace series - Circuit breakers, three-pole, temperature compensated, rated currents 1 A to 25 A - Part 004: UNC thread terminals - Product standard Srie arospatiale - Disjoncteurs tripolaires compenss en temprature, intensits nominales 1 A 25 A - Partie 00
6、4 : Bornes filetage UNC - Norme de produit Luft- und Raumfahrt - Schutzschalter, dreipolig, temperaturkompensiert, Nennstrme von 1 A bis 25 A - Teil 004: UNC-Klemmengewinde - Produktnorm This European Standard was approved by CEN on 12 October 2013. CEN members are bound to comply with the CEN/CENEL
7、EC 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
8、 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 offi
9、cial 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,
10、 Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of
11、exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3774-004:2014 EBS EN 3774-004:2014EN 3774-004:2014 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Dimensions and mass .5 4.1 Dimensional characteristics
12、.5 4.2 Electrical diagram 6 4.3 Mass 6 4.4 Panel mounting 6 5 Characteristics .6 5.1 Material, surface treatment .6 5.2 Mechanical characteristics .7 5.2.1 Fasteners 7 5.2.2 Recommended tightening torque of attaching nut for installation 7 5.2.3 Recommended tightening torque of connection hardware f
13、or installation.7 5.2.4 Resistance to vibrations .7 5.2.5 Resistance to shocks 7 5.2.6 Mechanical endurance 7 5.3 Environment characteristics 7 5.3.1 Humidity 7 5.3.2 Corrosion 7 5.3.3 Contaminating liquids .7 5.3.4 Overvoltage caused by lightning .7 5.4 Electrical characteristics 8 5.4.1 Nominal vo
14、ltage of operational circuits 8 5.4.2 Voltage drop at nand low current .8 5.4.3 Minimum and maximum tripping thresholds 8 5.4.4 Overload trip .9 5.4.5 Short-circuit values .9 5.4.6 No-load and load endurance . 10 5.4.7 Dielectric rigidity . 10 5.4.8 Insulation resistance 10 6 Designation . 11 7 Rate
15、d current code . 11 8 Delivery codes . 11 9 Marking 12 10 Technical specification 12 BS EN 3774-004:2014EN 3774-004:2014 (E) 3 Foreword This document (EN 3774-004:2014) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and v
16、otes 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,
17、 either by publication of an identical text or by endorsement, at the latest by January 2015, and conflicting national standards shall be withdrawn at the latest by January 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN
18、 and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 3774-004:1999. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Au
19、stria, 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, Swe
20、den, Switzerland, Turkey and the United Kingdom. BS EN 3774-004:2014EN 3774-004:2014 (E) 4 1 Scope This European Standard specifies the characteristics of three-pole circuit breakers, temperature compensated with a rated current from 1 A to 25 A, used in aircraft on-board circuits at a temperature b
21、etween 55 C and 125 C for ratings 15 A and 55 C to 90 C for ratings 15 A and at an altitude of 22 000 m max. These circuit breakers are operated by a push-pull type single pushbutton (actuator), with delayed action “trip-free” tripping. They will continue to function up to the short-circuit current.
22、 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 amen
23、dments) applies. EN 2350, Aerospace series - Circuit breakers - Technical specification EN 2996-001, Aerospace series - Circuit breakers, three-pole, temperature compensated, rated current 1 A to 25 A - Part 001: Technical specification EN 3774-001, Aerospace series - Circuit breakers, three-pole, t
24、emperature compensated, rated currents 2 A to 25 A, switching capacity 25 /n - Part 001: Technical specification EN 3841-305, Aerospace series - Circuit breakers - Test methods - Part 305: Short-circuit performance EN 6113, Aerospace series Circuit breaker, connecting and attachment hardware 1)TR 60
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BSEN37740042014AEROSPACESERIESCIRCUITBREAKERSTHREEPOLETEMPERATURECOMPENSATEDRATEDCURRENTS1ATO25AUNCTHREADTERMINALSPRODUCTSTANDARD
链接地址:http://www.mydoc123.com/p-551049.html