1、BRITISH STANDARDBS EN 60934:2001Incorporating amendment no. 1Circuit-breakers for equipment (CBE)The European Standard EN 60934:2001, incorporating amendmentA1:2007, has the status of a British StandardICS 29.120.40 BS EN +A2:2013BS EN 60934:2001+A2:2013ISBN 978 0 580 76342 7Amendments/corrigenda is
2、sued since publicationAmd. No. Date Comments17031 31 July 2007 See national foreword31 May 2013 Implementation of IEC amendment 2:2013 with CENELEC endorsement A2:2013This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the aut
3、hority of the Standards Committee and comes into effect on 15 June 2001 The British Standards Institution 2013. Published by BSI Standards Limited 2013National forewordThis British Standard is the UK implementation of EN 60934:2001+A2:2013. It is identical to IEC 60934:2000, incorporating amendments
4、 1:2007 and 2:2013. It supersedes BS EN 60934:2001 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to IEC text carry the number of the IEC amendment. For example, text altered by IEC amendment 1 is indicated
5、 by .The UK participation in its preparation was entrusted by Technical Committee PEL/23, Electrical accessories, to Subcommittee PEL/23/1, Circuit breakers and similar equipment for household use.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Th
6、is 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.EUROPEAN STANDARD EN 60934NORME EUROPENNEEUROPISCHE NORMJanuary 2001CENELECEuropea
7、n Committee for Electrotechnical StandardizationComit Europen de NormalisationElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungCentral Secretariat:rue deStassart 35, B- 1050 Brussels 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC
8、members.Ref. No. EN 60934:2001 EICS 29.120.40;29.120.50 Supersedes EN 60934:1994 + A1:1994 + A2:1997 + A11:1998English versionCircuit-breakers for equipment (CBE)(IEC 60934:2000)Disjoncteurs pour quipement (DPE)(CEI 60934:2000)Gerteschutzschalter (GS)(IEC 60934:2000)This European Standard wasapprove
9、d by CENELEC on2000-11-01. CENELECmembersare boundto comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving thisEuropean Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national stan
10、dardsmay be obtained onapplication to the Central Secretariat or to any CENELEC member.This European Standard exists in three official versions (English, French, German). A version in any otherlanguage made by translation under the responsibility of a CENELEC member into its own language andnotified
11、 to the Central Secretariat has the same status as the official versions.CENELECmembers arethe national electrotechnicalcommittees of Austria, Belgium, Czech Republic,Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,Portugal, Spain, Sweden, Switzerl
12、and and United Kingdom.+A1February 2007EN 60934:2001+A2April 2013ForewordThe text of document 23E/430/FDIS, future edition 3 of IEC 60934, prepared by SC 23E,Circuit-breakers and similar equipment for household use, of IEC TC 23,Electrical accessories, wassubmitted to the IEC-CENELEC parallel vote a
13、nd wasapproved by CENELEC as EN 60934 on2000-11-01.This European Standard supersedes EN 60934:1994 + A1:1994 + A2:1997 + A11:1998.Thefollowing dates were fixed:latest date by which the EN hasto be implementedat national level by publication of an identicalnational standard or by endorsement (dop) 20
14、01-08-01latest date by which the national standards conflictingwith the EN have to be withdrawn (dow)2003-11-01Annexes designated “normative“ are part of the body of the standard.Annexes designated “informative“ are given for information only.In this standard, annexes A, B, C, D, E, G,H, J, K and ZA
15、 are normative and annex Fis informative.Annex ZA has been added by CENELEC.In this standard the following print types are used:- requirements: in roman type;- testspecifications: in italic type;- notes: in smallerroman type._Endorsement noticeThe text of the International Standard IEC 60934:2000 wa
16、s approved by CENELEC as a EuropeanStandard without any modification._Page 2EN 60934:2001The text of document 23E/624/FDIS, future amendment 1 to IEC 60934:2000, prepared bySC 23E,Circuit-breakers and similar equipment for household use, of IEC TC 23, Electrical accessories, wassubmitted to the IEC-
17、CENELEC parallel vote and was approved by CENELEC as amendment A1 toEN 60934:2001 on 2007-02-01. The following dates were fixed: latestdate by which the amendment has to beimplemented at national level bypublication ofan identical national standard or by endorsement (dop) 2007-11-01 latestdate by wh
18、ich the national standards conflictingwith the amendment have to be withdrawn (dow) 2010-02-01 _ Endorsement noticeThe text of amendment 1:2007 to the International Standard IEC 60934:2000 was approved byCENELEC as an amendment to the European Standard without any modification._ Foreword to amendmen
19、t A1Page 2BS EN 60934:2001+A2:2013EN 60934:2001+A2:2013Page 3BS EN 60934:2001+A2:2013EN 60934:2001+A2:2013EN 60934:2001/A2:2013 - 2 - Foreword The text of document 23E/767/FDIS, future edition 1 of IEC 60934:2000/A2, prepared by SC 23E, “Circuit-breakers and similar equipment for household use“, of
20、IEC TC 23, “Electrical accessories“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60934:2001/A2:2013. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorse
21、ment (dop) 2013-11-22 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-02-22 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible
22、 for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60934:2000/A2:2013 was approved by CENELEC as a European Standard without any modification. Foreword to amendment A2CONTENTSPageClause12Normative references.73Definitions.93.1Definitions rel
23、ated to protectionand switching devices.93.2General terms103.3Definitions related to current113.4Definitions related tovoltage.123.5Definitions related to constructionalelementsofa CBE.133.6Definitions related to releases in CBEs143.7Definitions related to insulation and clearancesin aCBE.153.8Defin
24、itions related to operation of CBEs173.9Definitions related to the operating characteristicof CBEs.193.10 Definitions related to characteristic quantities193.11 Definitions concerning coordination of CBEs and SCPDs associatedin the same circuit.203.12 Definitions related to terminalsand terminations
25、213.13 Definitions related to tests.244Classification244.1Quantity of poles .244.2Method of mounting.244.3Method of connection244.4Method of operation.254.5Mode oftripping.254.6Influence of the ambient temperature.254.7Trip-free behaviour264.8Influence of the mounting position.264.9Electrical perfor
26、mance.265Characteristics of CBEs265.1List of characteristics.265.2Rated quantities265.3Standard and preferred values.286Marking and other product information297Standard conditions foroperation in service.307.1Ambient air temperature307.2Altitude307.3Atmospheric conditions318Requirements for construc
27、tionand operation318.1Mechanical design.318.2Protection against electric shock .438.3Temperature-rise.438.4Dielectric properties.448.5Conditions for automatic operation458.6Electrical performance.47Page 3EN 60934:2001Scope.74.10 Suitability for isolation26Page 4BS EN 60934:2001+A2:2013IEC 60934:2000
28、+A2:2013891010111213141516182020 2122252525252526262627272727272727293031313132323244444546488.6 Electrical performance and behaviour at rated short-circuit capacity .ClausePage8.7Performanceunder conditional short-circuit current conditions 478.8Resistance to mechanical shock and impact478.9Resista
29、nce to heat.478.10 Resistance to abnormal heat and to fire.478.11 Resistance to tracking.478.12 Resistance to rusting.489Tests499.1Type tests and sequences.499.2Test conditions509.3Test of indelibility of marking.519.4Test of reliability ofterminals, current-carrying parts and connections.519.5Test
30、of reliabilityof terminals forexternal conductors (see 3.12.15).549.6Test of protection against electricshock569.7Test of dielectric properties.569.8Test of temperature-rise609.928-day test619.10 Test of tripping characteristics.619.11 Verification of electrical operationalcapability.629.12 Conditio
31、nal short-circuit tests.669.13 Test of resistance to mechanical shock and impact699.14 Tests of resistance to heat.699.15 Test ofresistance to abnormal heat and to fire709.16 Test ofresistance to tracking.709.17 Test ofresistance to rusting.71Annex A(normative)Time-current zone.77Annex B (normative)
32、 Determination of clearances and creepage distances78Annex C (normative)Testsequences andnumber of samples to besubmittedfor certification purposes.80Annex D (normative)Correspondence between ISOand AWGcopperconductors.83Annex E(normative) Examples of terminals.84Annex F (informative) Coordination b
33、etween a CBE and a short-circuit protectivedevice (SCPD) associated in thesamecircuit.93Annex G(normative) Electromagnetic behaviour of CBEs106Annex H (normative)Correlation between nominal voltage of the supply systemsandthe line-to-neutral voltage relevant for determiningthe rated impulse voltage1
34、08Annex J (normative)Routine or statistical tests109Annex K (normative) Additional requirementsfor electrical performanceAnnex ZA (normative)Normative references to international publications with theirPage 4EN 60934:2001of E-type CBEs111Annex L(normative) Additional requirements for CBEs suitable f
35、or isolation112corresponding European publications117Bibliography116Page 5BS EN 60934:2001+A2:2013IEC 60934:2000+A2:2013484848484849515151525255575761626263677070717273 7980 828586 95108 110111 34 98PageFigure 1 Thread-forming screw.72Figure 2 Thread-cutting screw72Figures 3 to 6 Test circuits for o
36、vercurrent tests.73Figure 7 Standard test finger74Figure 8 Ball pressure apparatus75Figure 9 Arrangements anddimensions of the electrodes forthe tracking test.75Figures 10 to 13 Test circuits forverificationof the conditional short-circuit current.76Figures A.1 to A.4.77Figures B.1 to B.10.79Figure
37、E.1 Examplesof pillar terminals84Figure E.2 Examples of screw terminals and stud terminals.85Figure E.3 Examplesofsaddle terminals86Figure E.4 Examplesof lug terminals.86Figure E.5 Examplesofscrewless terminals with clamping means.87Figure E.6 Dimensions of male tabs.88Figure E.7 Dimensions of round
38、 dimple detents of male tabs (see figureE.6).89Figure E.8 Dimensions of rectangular dimple detentsofmaletabs.89Figure E.9 Dimensions of holedetents ofmaletabs.89Figure E.10 Dimensions ofmale tabs.90Figure E.11 Dimensions ofmale tabs.90Figure E.12 Dimensions ofmale tabs.90Figure E.13 Dimensions of ma
39、letabs for two different sizes of female connectors .91Figure E.14 Dimensions offemaleconnectors formale tabs.92Figure F.1Thermal only CBE, backed up by thermal magneticcircuit-breaker99Figure F.2Thermal only CBE, backed up by afuse100Figure F.3 Thermal-magnetic CBE backed up by thermal-magnetic cir
40、cuit-breaker.101Figure F.4 Hydraulic-magnetic CBE backed upbythermal-magnetic circuit-breaker.102Figure F.5Thermal CBE backed up by ahydraulic-magneticcircuit-breaker.102Figure F.6 Energy-limiting CBE, backedup bythermal-magnetic circuit-breaker103Figure F.7 Energy-limiting CBE, backed up bya fuse.1
41、04Figure F.8 Examples illustrating proper and impropercoordination.105Table 1 Minimum clearances forbasic and reinforced insulation 33Table 2 Minimum creepage distances.35Table 3 Connectable cross-sectional areas of external copper conductorsfor screw typeand screwless terminals.37Page 5EN 60934:200
42、1Page 6BS EN 60934:2001+A2:2013IEC 60934:2000+A2:201374747576777778798186878888899091919192929293943436 38101102103104104105106107PageTable 4 Minimum distance between clamping screw and the end of conductorwhen fullyinserted38Table 5 Dimensions of tabsin millimetres Dimensions A, B, C, D, E,F, J, M,
43、 N, P and Q41Table 6 Dimensions of tabsin millimetres Dimensions H,I, T, K, R, G, L,S and U.42Table 7 Dimensions in millimetres of combined male tabs for two different sizesof female connectors.42Table 8 Temperature-rise values for CBEs for different referenceambient air temperatures (T).44Table 9 T
44、ime-current operating characteristics.45Table10 Operating limits of undervoltage and zero-voltage releases(for a.c. andd.c.)46Table 11 Test conditions forelectricalperformance for CBEs intended for generaluse,including inductive circuits 48Table 12 Test conditions for electrical performance of CBEs
45、used in essentiallyresistive circuits only.49Table 13 List of type tests49Table 14 Standard cross-sections of copper conductors corresponding tothe rated currents50Table 15 Screw-thread diameter and applied torques.52Table 16 Insertion and withdrawal forces53Table17 Push/pullforce.54Table18 Pulling
46、forces.55Table 19 Make-up of conductors for the test of 9.5.355Table 20 Test voltages.58Table21 Impulse withstand test voltagesfor verification of insulationcoordination60Table 22 Power factor and time constant of test circuit.66Table C.1 Test sequences80Table C.2 Number of samples for full test pro
47、cedure81Table C.3 Reduction of samples for simplifiedtest procedure.82Table D.1 Correspondence between ISOand AWG conductor cross-sections83TableG.2.2 MinimumEMC immunity performances ofCBEs107Table H.1 Nominal voltages and corresponding rated impulse voltages108Page 6EN 60934:2001Table L.1 Minimum
48、clearances for CBEs suitable for isolation, between live partsseparated when the contactsare in the open position, as afunction of the rated impulsewithstand voltage.113Table L.2 Minimum creepage distances for CBEs suitable for isolation, between live partsseparated when the contactsare in the open position.113Table L.3 Test voltages for verifying isolation across the open contacts,asafunction ofthe rated impulse withstand voltage and the altitude where the test is carried out115Page 7BS EN 60934:2001+A2:2013IEC 60934:2000+A2:201339 42 43 43 454647 49 5051 525354555656596168828384851
