BS-4999-105-1988 EN-60034-5-1986.pdf
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1、BRITISH STANDARD BS 4999-105: 1988 EN 60 034-5: 1986 General requirements for rotating electrical machines Part 105: Classification of degrees of protection provided by enclosures for rotating machinery This European Standard EN 60 034-5 has the status of a British Standard UDC 621.313.1-213.2/.6-74
2、/-78.001.33 Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 01:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4999-105:1988 This British Standard, having been prepared under the direction of the Power Electrical Engineering Standards Committee, was published under the authority of the Bo
3、ard of BSI and comes into effect on 31 May 1988 BSI 01-1999 The following BSI reference relate to the work on this standard: Committee reference PEL/1 Draft for comment 85/27318 DC ISBN 0 580 16612 0 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), und
4、er whose supervision this European Standard was prepared, comprises the National Committees of the following countries. AustriaLuxemburg BelgiumNetherlands DenmarkNorway FinlandPortugal FranceSpain GermanySweden GreeceSwitzerland IrelandUnited Kingdom Italy Amendments issued since publication Amd. N
5、o.Date of issueComments Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 01:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4999-105:1988 BSI 01-1999i Contents Page Committees responsibleInside front cover National forewordii Brief history2 Technical text2 Text of EN 60 0343 National appen
6、dix AInside back cover National appendix BInside back cover Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 01:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 4999-105:1988 ii BSI 01-1999 National foreword This Part of BS 4999 has been prepared under the direction of the Power Electrical
7、Engineering Standards Committee and is the English language version of EN 60 034 “Rotating electrical machines” Part 5 “Classification of degrees of protection provided by enclosures for rotating machinery”, published by the European Committee for Electrotechnical Standardization (CENELEC). This Par
8、t of BS 4999 supersedes BS 4999-20:1972, which is withdrawn. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from
9、 legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 22, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indic
10、ated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 01:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60 034-5 November 1986 UDC: 621.313.1-213.2/.6-74/-78.001.33 Key words: Rotating elec
11、trical machines, enclosures, protective measures and devices, classification English version Rotating electrical machines Part 5: Classification of degrees of protection provided by enclosures for rotating machinery (IEC 34-5 (1981-2nd edition, modified) Machines lectriques tournantes Cinquime parti
12、e: Classification des degrs de protection procurs par les enveloppes des machines tournantes (CEI 34-5 (1981-2me dition, modifie) Umlaufende elektrische Maschinen Teil 5: Einteilung der Schutzarten durch Gehuse fr umlaufende Maschinen (IEC 34-5 (1981-2. Ausgabe, modifiziert) This European Standard w
13、as ratified by CENELEC on 7 March 1985. CENELEC members are bound to comply with the requirements of the 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 refere
14、nces concerning such national standards may be obtained on application to the CENELEC General Secretariat or to any CENELEC 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 CE
15、NELEC member into its own language and notified to the CENELEC General Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxemburg, Netherlands, Norwa
16、y, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung General Secretariat: rue Brderode 2, Bote 5, B-1000 Brussels CENELEC 1986. Copy
17、right reserved to all CENELEC members Ref. No. EN 60 034-5:1986 E Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 01:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60 034-5 BSI 01-1999 2 Brief history This European Standard has been prepared by CENELEC TC 2. It supersedes HD 53.5 which h
18、armonized the first edition of the Reference Document. Technical text The text of the International Standard IEC 34-5 (second edition, 1981) together with agreed common modifications, prepared by CENELEC Technical Committee TC 2, was approved by CENELEC on 7 March 1985 as a European Standard. For th
19、e sake of clarity, these CENELEC common modifications have been incorporated at the appropriate places in the text of IEC 34-5 (1981); they are marked by a vertical line at the left-hand margin. NOTEThe foreword of the IEC Publication 34-5 does not form part of this European Standard. The following
20、dates were fixed: Contents Page Brief history2 Technical text2 Introduction2 1Scope3 2Object3 3Designation3 4Degrees of protection First characteristic numeral4 5Degrees of protection Second characteristic numeral5 6Marking5 7General requirements for tests5 8Tests for first characteristic numeral8 9
21、Tests for second characteristic numeral8 10Tests for weather protected machines11 Appendix A Most frequently used degrees of protection for electrical machines21 Figure 1 Standard test finger15 Figure 2 Equipment to prove protection against dust16 Figure 3 Equipment to prove protection against drops
22、 of water17 Figure 4 Equipment to prove protection against spraying and splashing water shown with spraying holes in case of second characterstics numeral 318 Figure 5 Hand-held equipment to prove protection against spraying and splashing water19 Figure 6 Standard nozzle for hose tests20 Table I Deg
23、rees of protection indicated by the first characteristic numeral6 Table II Degrees of protection indicated by the second characteristic numeral7 Table III Test and acceptance conditions for first characteristic numeral9 Table IV Test conditions for second characteristic numeral12 date of announcemen
24、t:1986-12-31 latest date of publication:1987-12-01 latest date of withdrawal:1987-12-01 Licensed Copy: sheffieldun sheffieldun, na, Fri Dec 01 01:52:23 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 60 034-5 BSI 01-19993 INFORMATION as to original IEC text The introduction to IEC Publication 34-5 (19
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