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1、 IEC 60947-2 Edition 4.0 2009-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Low-voltage switchgear and controlgear Part 2: Circuit-breakers Appareillage basse tension Partie 2: Disjoncteurs IEC 60947-2:2006/A1:2009 AMENDMENT 1 AMENDEMENT 1 Copyright International Electrotechnical Commission Provide
2、d by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:10:07 MSTNo reproduction or networking permitted without license from IHS -,-,- THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2009 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specifi
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17、lectrotechnical Commission Provided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:10:07 MSTNo reproduction or networking permitted without license from IHS -,-,- IEC 60947-2 Edition 4.0 2009-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Low-voltage swi
18、tchgear and controlgear Part 2: Circuit-breakers Appareillage basse tension Partie 2: Disjoncteurs INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE U ICS 29.130.20 PRICE CODE CODE PRIX ISBN 2-8318-1025-3 AMENDMENT 1 AMENDEMENT 1 Registered trademark of the Interna
19、tional Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:10:07 MSTNo reproduction or networking permitted
20、without license from IHS -,-,- 2 60947-2 Amend. 1 IEC:2009 FOREWORD This amendment has been prepared by subcommittee 17B: Low-voltage switchgear and controlgear, of IEC technical committee 17: Switchgear and controlgear. The text of this amendment is based on the following documents: FDIS Report on
21、voting 17B/1636/FDIS 17B/1651/RVD Full information on the voting for the approval of this amendment can be found in the report on voting indicated in the above table. The committee has decided that the contents of this amendment and the base publication will remain unchanged until the maintenance re
22、sult date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised edition, or amended. _ Replace in the whole document “Utilization category“ by “Selectivity categ
23、ory“ except in Annex L. CONTENTS Add the following: 8.5 Special tests Damp heat, salt mist, vibration and shock Insert the following: Figure K.2 Template for characteristics of cut-off current versus prospective current from 1 kA to 200 kA Figure K.3 Template for characteristics of cut-off current v
24、ersus prospective current from 0,01 kA to 200 kA Figure K.4 Template for characteristics of let-through energy versus prospective current from 1 kA to 200 kA Figure K.5 Template for characteristics of let-through energy versus prospective current from 0,01 kA to 200 kA Copyright International Electr
25、otechnical Commission Provided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:10:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 60947-2 Amend. 1 IEC:2009 3 Figure K.6 Example of the use of template K.2 Figure K.7 Example of
26、the use of template K.4 Insert the following: Table 9b Applicability of tests or test sequences to four-pole circuit-breakers in a given frame size and design when tested according to the alternative programme 1 of 8.3.1.4 Table 9c Applicability of tests or test sequences to 3-pole circuit-breakers
27、in a given frame size and design when tested according to the alternative programme 2 of 8.3.1.4 1.2 Normative references Delete the reference to IEC 60364-4-41:2001. Add the following reference: IEC 60417, Graphical symbols for use on equipment IEC 60617, Graphical symbols for diagrams Replace “IEC
28、 60755:1983” by “IEC/TR 60755:1983”. Replace the reference to IEC 60947-1:2004 by the following: IEC 60947-1:2007, Low-voltage switchgear and controlgear Part 1: General rules Add, after IEC 60947-4-1:2000, the following reference: Amendment 2 (2005) Replace the reference to IEC 61000-3-2:2000 by th
29、e following: IEC 61000-3-2:2005, Electromagnetic compatibility (EMC) Part 3-2: Limits Limits for harmonic current emissions (equipment input current 16 A per phase) Add, after IEC 61000-3-3:1994, the following reference: Amendment 2 (2005) Replace the reference to IEC 61000-4-3:2002 by the following
30、: Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:10:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 4 60947-2 Amend. 1 IEC:2009 IEC 61000-4-3:2006, Electromagnetic
31、compatibility (EMC) Part 4-3: Testing and measurement techniques Radiated, radio-frequency, electromagnetic field immunity test Replace the reference to IEC 61000-4-4:1995 by the following: IEC 61000-4-4:2004, Electromagnetic compatibility (EMC) Part 4-4: Testing and measurement techniques Electrica
32、l fast transient/burst immunity test Replace the reference to IEC 61000-4-5:1995 by the following: IEC 61000-4-5:2005, Electromagnetic compatibility (EMC) Part 4-5: Testing and measurement techniques Surge immunity test Add, after IEC 61000-4-6:2003, the following reference: Amendment 2 (2006) Repla
33、ce “IEC 61000-5-2:1997” by “IEC/TR 61000-5-2:1997”. Add, after IEC 61008-1:1996, the following reference: Amendment 2 (2006) Add, after IEC 61009-1:1996, the following reference: Amendment 2 (2006) Add, after IEC 61009-1:1996, the following reference: IEC 61131-1:2003, Programmable controllers Part
34、1: General information Add, after CISPR 11:2003, the following reference: Amendment 2 (2006) Add, after CISPR 22:2005, the following reference: Amendment 2 (2006) 2.3 current-limiting circuit-breaker Replace the existing definition by the following: circuit-breaker that, within a specified range of
35、current, prevents the let-through current reaching the prospective peak value and which limits the let-through energy (I2t) to a value less than the let-through energy of a half-cycle wave of the symmetrical prospective current NOTE 1 Reference may be made to either the symmetrical or asymmetrical p
36、rospective peak value of let-through current. NOTE 2 The let-through current is also referred to as the cut-off current (see IEV 441-17-12). Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:10:07
37、 MSTNo reproduction or networking permitted without license from IHS -,-,- 60947-2 Amend. 1 IEC:2009 5 NOTE 3 Templates for the graphical representation of the cut-off current characteristic and the let-through energy characteristic are given in Figures K.2 to K.5 and examples of the use of the temp
38、lates in Figures K.6 and K.7. Add, after definition 2.20, the following new definition 2.21: 2.21 programmable logic controller PLC digitally operating electronic system, designed for use in an industrial environment, which uses a programmable memory for the internal storage of user-oriented instruc
39、tions for implementing specific functions such as logic, sequencing, timing, counting and arithmetic, to control, through digital or analogue inputs and outputs, various types of machines or processes. Both the PLC and its associated peripherals are designed so that they can be easily integrated int
40、o an industrial control system and easily used in all their intended functions IEC 61131-1, definition 3.5 3.8 Replace the reference to 7.1.11 of IEC 60947-1 by the reference to 7.1.12 of IEC 60947-1. 4.3.2.4 Current rating for four-pole circuit-breakers Replace the reference to 7.1.8 of IEC 60947-1
41、 by the reference to 7.1.9 of IEC 60947-1. 5.2 Marking Replace, under item a), last bullet, the reference to 7.1.5.1 of IEC 60947-1 by the reference to 7.1.6.1 of IEC 60947-1. Correct, under item b),7th bullet, the symbol with the symbol Replace, under item b), 13th bullet, the reference to 7.1.9.3
42、of IEC 60947-1 by the reference to 7.1.10.3 of IEC 60947-1. Replace, under item e), the reference to 7.1.7.4 of IEC 60947-1 by the reference to 7.1.8.4 of IEC 60947-1. Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=HP Monitoring/1111111164 Not for
43、Resale, 02/02/2009 02:10:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 6 60947-2 Amend. 1 IEC:2009 7.1 Constructional requirements Replace the five first paragraphs of the subclause by the following: Subclause 7.1 of IEC 60947-1 applies. Where, in Subclause 7.1.2.2 of
44、IEC 60947-1, the test temperature is to be specified, the test temperature required by this standard is 960C. 7.1.2 Additional requirements for circuit-breakers suitable for isolation Replace, in the second paragraph, the reference to 7.1.6 of IEC 60947-1 by the reference to 7.1.7 of IEC 60947-1. 7.
45、1.5 List of construction breaks Add a new item f). f) in the case of the 4-pole variant, replacement of the trip unit in the 4th pole by a link, to provide an unprotected neutral. 7.1.6 Additional requirements for circuit-breakers provided with a neutral pole Replace, in the first paragraph, the ref
46、erence to 7.1.8 of IEC 60947-1 by the reference to 7.1.9 of IEC 60947-1. Add, after Subclause 7.1.6, the following new Subclause 7.1.7: 7.1.7 Digital inputs and outputs for use with programmable logic controllers (PLCs) Annex S of IEC 60947-1 applies. For the purposes of this standard this requireme
47、nt does not apply to digital inputs and outputs dedicated to devices other than PLCs. 8.1.1 Add, after the second dashed item, the following new third dashed item: special tests (see 8.5). Copyright International Electrotechnical Commission Provided by IHS under license with IECLicensee=HP Monitorin
48、g/1111111164 Not for Resale, 02/02/2009 02:10:07 MSTNo reproduction or networking permitted without license from IHS -,-,- 60947-2 Amend. 1 IEC:2009 7 8.3.1 Test sequences Replace the first four paragraphs of this subclause by the following: 8.3.1.1 General Type tests are grouped together in a number of sequences, as