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1、BRITISH STANDARD BS EN 60898-2:2001 Circuit-breakers for overcurrent protection for household and similar installations Part 2: Circuit-breakers for a.c. and d.c. operation The European Standard EN 60898-2:2001 has the status of a British Standard ICS 29.120.50 NO COPYING WITHOUT BSI PERMISSION EXCE
2、PT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 60898-2:2001 This British Standard, having been prepared under the direction of the , was published under the authority of the Standards Committee and com
3、es into effect on 15 August 2001 BSI 08-2001 ISBN 0 580 37693 1 National foreword This British Standard is the official English language version of EN 60898-2:2001. It is identical with IEC 60898-2:2000 The UK participation in its preparation was entrusted to Technical Committee PEL/23/1, Circuit-br
4、eakers and similar equipment for household use, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been
5、 renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references The British Standards which implement international or European publications referred to in this document may be fo
6、und in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standar
7、ds are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for chan
8、ge, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 18, an inside back cover and a back cover. The BSI copyright dat
9、e displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARDEN 60898-2 NORME EUROPENNE EUROPISCHE NORMMa
10、rch 2001 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2001 CENELEC -All rights of exploitation in any form and by any means r
11、eserved worldwide for CENELEC members. Ref. No. EN 60898-2:2001 E ICS 29.120.50 English version Circuit-breakers for overcurrent protection for household and similar installations Part 2: Circuit-breakers for a.c. and d.c. operation (IEC 60898-2:2000) Disjoncteurs pour la protection contre les surin
12、tensits pour installations domestiques et analogues Partie 2: Disjoncteurs pour le fonctionnement en courant alternatif et en courant continu (CEI 60898-2:2000) Leitungsschutzschalter fr Hausinstallationen und hnliche Zwecke Teil 2: Leitungsschutzschalter fr Wechsel- und Gleichstrom (IEC 60898-2:200
13、0) This European Standard was approved by CENELEC on 2000-08-01. CENELEC members are bound to comply with the CEN/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 bibliographic
14、al references concerning such national standards may be obtained on application to the Central 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 C
15、ENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg,
16、Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 6 NE980-82:2100- 2 - Foreword The text of document 23E/412/FDIS, future edition 1 of IEC 60898-2, prepared by SC 23
17、E, Circuit-breakers and similar equipment for household use, of IEC TC 23, Electrical accessories, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60898-2 on 2000-08-01. The following dates were fixed: latest date by which the EN has to be implemented at national lev
18、el by publication of an identical national standard or by endorsement(dop)2001-10-01 latest date by which the national standards conflicting with the EN have to be withdrawn(dow)2003-08-01 This part 2 is to be used in conjunction with EN 60898:1991 and its amendments. This part 2 supplements or modi
19、fies the clauses of EN 60898. When a particular subclause of part 1 is not mentioned in this part 2, that subclause applies as far as is reasonable. Where this part 2 states “addition“, “modification“ or “replacement“, the relevant text of part 1 is to be adapted accordingly. In this standard, the f
20、ollowing print types are used: - requirements: in roman type; - test specifications: in italic type; - notes: in smaller roman type. _ Endorsement notice The text of the International Standard IEC 60898-2:2000 was approved by CENELEC as a European Standard without any modification. _ Page 2 BS EN 60
21、8982:2001 BSI 082001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 9806-82 ? IE2:C000 3 CONTENTS Page 1General . 4 2Normative references. 4 3Definitions . 4 4Classification . 5 5Characteristics of circuit-breakers 5 Replacement: . 5 6Marki
22、ng and other product information. 7 7Standard conditions for operation in service 8 8Requirements for construction and operation. 8 9Tests . 9 9.1Type tests and test sequences . 9 9.10.2Test of instantaneous tripping . 9 9.11Test of mechanical and electrical endurance10 9.11.1General test conditions
23、 10 9.11.2Test procedure.10 9.12.3Tolerances and test quantities .10 9.12.5Power factor and time constant of the test circuits .10 9.12.8Interpretation of records.11 9.12.12Verification of the circuit-breaker after short-circuit tests14 Figure 7b Calibration of the test circuit in case of direct cur
24、rents.14 Figure 17 Examples of connections of the circuit-breakers in different d.c. systems 15 Table 1 Preferred values of rated voltage6 Table 2 Range of instantaneous tripping .6 Table 6 Time-current operating characteristics8 Table C.1 Test sequences.17 Table C.2 Number of samples for full test
25、procedure .18 4) Page 3 BS EN 608982:2001 BSI 082001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 9806-82 ? IE2:C000 4 CIRCUIT-BREAKERS FOR OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR INSTALLATIONS Part 2: Circuit-breakers for a.c. a
26、nd d.c. operation 1 General This clause of Part 1 is applicable except as follows: 1.1 Scope Addition at the end of the first paragraph: This standard gives additional requirements for single- and two-pole circuit-breakers suitable for operation with direct current, having a rated d.c. voltage not e
27、xceeding 220 V for single- pole and 440 V for two-pole circuit-breakers, a rated current not exceeding 125 A and a rated d.c. short-circuit capacity not exceeding 10 000 A. NOTE This standard applies to circuit-breakers able to make and break both a.c. current and d.c. current. Delete the last two p
28、aragraphs. 1.2 Object Delete item 6. 2 Normative references Clause 2 of Part 1 applies with the following modification: Delete IEC 61009-1:1991, IEC 61009-2-1:1991 and IEC 61009-2-2:1991. 3 Definitions Clause 3 of Part 1 applies with the following modification: Addition: 3.5.20 time constant the ris
29、e time T = L/R (ms) of a prospective direct current to reach a value of 0,63 times the maximum peak current Page 4 BS EN 608982:2001 BSI 082001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 9806-82 ? IE2:C000 5 4 Classification Clause 4 of
30、 Part 1 applies with the following modifications: 4.1 According to the number of poles Replacement: single-pole circuit-breakers; two-pole circuit-breakers with two protected poles. 4.5 According to the instantaneous tripping current (see 3.5.17) Delete D-Type. Addition: 4.7 According to the time co
31、nstant Circuit-breakers suitable for d.c. circuits with a time constant of T ? 4 ms. Circuit-breakers suitable for d.c. circuits with a time constant of T ? 15 ms. NOTE It is assumed that short-circuit currents of 1 500 A are not exceeded in installations in which, due to the loads connected, time c
32、onstants in normal service up to 15 ms can occur. Where higher short-circuit currents may occur, the time constant of T = 4 ms is considered sufficient. 5 Characteristics of circuit-breakers Clause 5 applies with the following modification: 5.3.1 Preferred values of rated voltage Replacement: The pr
33、eferred values of rated voltages are given in table 1. Examples of connections of circuit-breakers in d.c. systems are given in figure 17. Page 5 BS EN 608982:2001 BSI 082001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 9806-82 ? IE2:C000
34、 6 Table 1 Preferred values of rated voltage ACDC b Circuit-breakers AC circuit supplying the circuit-breaker Rated voltage a.c. Rated voltage d.c. DC wiring examples Single-phase (phase to neutral) 230 V220 V Single-poleSingle-phase (phase to earthed middle conductor, or phase to neutral) 120 V125
35、VFigure 17a Single-phase (phase to neutral) or three-phase (3 single-pole circuit-breakers) (3-wire or 4-wire) 230/400 V220 V Two-poleSingle-phase (phase-to-phase) 400 V220/440 VFigures 17b, 17c, 17d Single phase (phase-to-phase, 3-wire) 120/240 V a125/250 V a Applicable for d.c. voltages: a Also fo
36、r single-pole circuit-breakers to be used in pairs at 250 V d.c. (respectively 240 V a.c.) and individually at 125 V d.c. (respectively 120 V a.c.). b The rated voltage per pole shall not exceed 220 V d.c. Applicable for a.c. voltages: NOTE 1 In IEC 60038 the network voltage value of 230/400 V has b
37、een standardized. This value should progressively supersede the values of 220/380 V and 240/415 V. NOTE 2 Wherever in this standard there is a reference to 230 V or 400 V, it may be read as 220 V or 240 V, and 380 V or 415 V respectively. NOTE 3 Circuit-breakers complying with the requirements of th
38、is standard may be used in IT systems. The manufacturer shall declare in his literature the minimum voltage for which the circuit- breaker is designed. Relevant tests are under consideration. 5.3.5 Standard ranges of instantaneous tripping Replacement: Table 2 Ranges of instantaneous tripping TypeRa
39、nges for a.c.Ranges for d.c. BAbove 3 In up to and including 5 InAbove 4 In up to and including 7 In CAbove 5 In up to and including 10 InAbove 7 In up to and including 15 In Page 6 BS EN 608982:2001 BSI 082001 Licensed Copy: sheffieldun sheffieldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrol
40、led Copy, (c) BSI 9806-82 ? IE2:C000 7 6 Marking and other product information Clause 6 of Part 1 applies with the following modifications: Replacement: c)rated a.c. voltage with the symbol ? ? ? ? and rated d.c. voltage with the symbol . d) replace (B, C or D) by (B or C). f)rated short-circuit cap
41、acity for a.c. and d.c. in amperes in one rectangle, without the symbol A, if valid for both a.c. and d.c. (see example 1 below). If the rated short-circuit capacity is different for a.c. and d.c. this shall be indicated in two adjacent rectangles, without the symbol A, with the symbol ? ? ? ? near
42、the rectangle containing the a.c. value and with the symbol near the rectangle containing the d.c. value (see example 2 below). Addition: j)time constant T15 within a rectangle, if applicable, associated with the marking for the short-circuit capacity at the time constant of 15 ms (see example 3 bel
43、ow). Replacement of the first paragraph following j): If, for small devices, the space available does not allow all the above data to be marked, at least the information under c) and d) shall be marked and visible when the circuit-breaker is installed. The information under a), b), e), f), g), h), i
44、) and j) may be marked on the side or on the back of the device and be visible only before the device is installed. Alternatively, the information under g) may be on the inside of any cover which has to be removed in order to connect the supply wires. Any remaining information not marked shall be gi
45、ven in the manufacturers literature. EXAMPLE 16 000 EXAMPLE 2 10 000 ? ? ? ? 6 000 EXAMPLE 31 500 T15 The terminals shall be marked with + or if necessary. Additionally, arrows indicating the direction of the current are allowed. Page 7 BS EN 608982:2001 BSI 082001 Licensed Copy: sheffieldun sheffie
46、ldun, na, Fri Nov 10 07:51:36 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 9806-82 ? IE2:C000 8 7 Standard conditions for operation in service Clause 7 of Part 1 applies. 8 Requirements for construction and operation Clause 8 of Part 1 applies with the following modifications: 8.6.1 Standard time-curr
47、ent zone Replacement: Table 6 Time-current operating characteristics TestType Test current a.c. Test current d.c. Initial condition Limits of tripping or non-tripping time Result to be obtained Remarks aB, C1,13 InCold*t ? 1 h (In ? 63 A) t ? 2 h (In 63 A) No tripping bB, C1,45 InImmediately followi
48、ng test a t 63 A) TrippingCurrent steadily increased within 5 s cB, C2,55 InCold*1 s 32 A) Tripping dB C 3 In 5 In 4 In 7 In Cold*0,1 32 A) 0,1 32 A) TrippingCurrent established by closing an auxiliary switch eB C 5 In 10 In 7 In 15 In Cold*t 0,1 sTrippingCurrent established by closing an auxiliary
49、switch * The term “cold“ means without previous loading, at the reference calibration temperature. 8.8 Performance at short-circuit currents Replacement of the third paragraph: It is required that circuit-breakers be able to make and to break any value of current up to and including the value corresponding to the rated short-circuit capacity at rated frequency, at a power-frequency recovery voltage equal to 105 % (?5 %) of the rated operational voltage and at any power factor not less