1、Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measuresPart 8: Insulation monitoring devices for IT systemsBS EN 61557-8:2015Part 8: Insulation monitoring devices for IT systems (IEC 61557-8:2014)
2、BS EN 61557-8:2015Incorporating corrigendum May 2016BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 61557-8 February 2015 ICS 17.220.20; 29.240.01; 29.080.01 Supersedes EN 61557-8:2007 English Version Electrical safet
3、y in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring ormonitoring of protective measures - Part 8: Insulation monitoring devices for IT systems (IEC 61557-8:2014) Scurit lectrique dans les rseaux de distribution bassetension de 1 000 V c.a. et
4、1 500 V C:C - Dispositifs decontrle, de mesure ou de surveillance de mesures deprotection - Partie 8: Contrleur permanent disolementpour rseaux IT (CEI 61557-8:2014) Elektrische Sicherheit in Niederspannungsnetzen bis AC 1000 V und DC 1 500 V - Gerte zum Prfen, Messen oder berwachen von Schutzmanahm
5、en - Teil 8:Isolationsberwachungsgerte fr IT-Systeme (IEC 61557-8:2014) This European Standard was approved by CENELEC on 2015-01-15. 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 nationa
6、l 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 to any CENELEC member. This European Standard exists in three official versions (English, French, German). A ver
7、sion in any other language made by translationunder the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria,
8、Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
9、Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation in any form
10、and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61557-8:2015 E BS EN 61557-8:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 61557-8:2015. It is identical to IEC 61557-8:2014, incorporating corrigendum May 2016. It supersedes BS EN 6155
11、7-8:2007 which is withdrawn.The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by IEC corrigendum May 2016 is indicated in the text by .The UK participation in its preparation was entrusted to Technical Committee PEL/85, Measuring equipme
12、nt for electrical and electromagnetic quantities.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British S
13、tandards Institution 2016. Published by BSI Standards Limited 2016ISBN 978 0 580 81262 0ICS 17.220.20; 29.080.01; 29.240.01Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Com
14、mittee on 28 February 2015.Amendments/corrigenda issued since publicationDate Text affected30 June 2016 Implementation of IEC corrigendum May 2016EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 61557-8 February 2015 ICS 17.220.20; 29.240.01; 29.080.01 Supersedes EN 61557-8:2007 English Version Ele
15、ctrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring ormonitoring of protective measures - Part 8: Insulation monitoring devices for IT systems (IEC 61557-8:2014) Scurit lectrique dans les rseaux de distribution bassetension de 1 0
16、00 V c.a. et 1 500 V C:C - Dispositifs decontrle, de mesure ou de surveillance de mesures deprotection - Partie 8: Contrleur permanent disolementpour rseaux IT (CEI 61557-8:2014) Elektrische Sicherheit in Niederspannungsnetzen bis AC 1000 V und DC 1 500 V - Gerte zum Prfen, Messen oder berwachen von
17、 Schutzmanahmen - Teil 8:Isolationsberwachungsgerte fr IT-Systeme (IEC 61557-8:2014) This European Standard was approved by CENELEC on 2015-01-15. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status
18、 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 to any CENELEC member. This European Standard exists in three official versions (English, French, G
19、erman). A version in any other language made by translationunder the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CENELEC members are the national electrotechnical committees of Austria, Belgiu
20、m, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden,
21、Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All rights of exploitation
22、 in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 61557-8:2015 E EN 61557-8:2015 - 2 - Foreword The text of document 85/485/FDIS, future edition 3 of IEC 61557-8, prepared by IEC/TC 85 “Measuring equipment for electrical and electromagnetic quantities“ was submitted t
23、o the IEC-CENELEC parallel vote and approved by CENELEC as EN 61557-8:2015. 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 endorsement (dop) 2015-10-15 latest date by which the national s
24、tandards conflicting with the document have to be withdrawn (dow) 2018-01-15 This document supersedes EN 61557-8:2007. 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 for identifyin
25、g any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD). Endorsement notice The text of the International Standard IEC 61557-8:2014 was approved by CENELEC as a European Standa
26、rd without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60364-4-41 NOTE Harmonized as HD 60364-4-41. IEC 60664-1 NOTE Harmonized as EN 60664-1. IEC 60664-3 NOTE Harmonized as EN 60664-3. IEC 61140 NOTE Harmonized a
27、s EN 61140. IEC 60027-7 NOTE Harmonized as EN 60027-7. IEC 61557-9 NOTE Harmonized as EN 61557-9. IEC 60364-7-712 NOTE Harmonized as HD 60364-7-712. BS EN 61557-8:2015- 3 - EN 61557-8:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publi
28、cations 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 amendments) applies.
29、 NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Yea
30、r IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 - IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 - IEC 60068-2-6 - Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 - IEC 60068-2-27 -
31、Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 - IEC 60364-7-710 (mod) 2002 Electrical installations of buildings - Part 7-710: Requirements for special installations or locations - Medical locations HD 60364-7-710 2012 +AC 2013 IEC 60691 - Thermal-links - Requi
32、rements and application guid - - IEC 60721-3-1 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 1: Storage EN 60721-3-1 - IEC 60721-3-2 - Classification of environmental conditions - Part 3: Classification of g
33、roups of environmental parameters and their severities - Section 2: Transportation EN 60721-3-2 - IEC 60721-3-3 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 3: Stationary use at weatherprotected locations E
34、N 60721-3-3 - IEC 60947-5-1 - Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices EN 60947-5-1 - +EN 60947-5-1:2004/corrigendum Jul. 2005 2005 +EN 60947-5-1:2004/corrigendum Nov. 2004 2004 IEC 60947-5-4 - Low-v
35、oltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests EN 60947-5-4 - BS EN 61557-8:2015EN 61557-8:2015 - 2 - Foreword The text of document 85/485/FDIS, future edition 3 of IEC 61557-8,
36、 prepared by IEC/TC 85 “Measuring equipment for electrical and electromagnetic quantities“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61557-8:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by publicatio
37、n of an identical national standard or by endorsement (dop) 2015-10-15 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-01-15 This document supersedes EN 61557-8:2007. Attention is drawn to the possibility that some of the elements of this doc
38、ument may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD). Endorsement n
39、otice The text of the International Standard IEC 61557-8:2014 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60364-4-41 NOTE Harmonized as HD 60364-4-41. IEC 606
40、64-1 NOTE Harmonized as EN 60664-1. IEC 60664-3 NOTE Harmonized as EN 60664-3. IEC 61140 NOTE Harmonized as EN 61140. IEC 60027-7 NOTE Harmonized as EN 60027-7. IEC 61557-9 NOTE Harmonized as EN 61557-9. IEC 60364-7-712 NOTE Harmonized as HD 60364-7-712. BS EN 61557-8:2015- 3 - EN 61557-8:2015 Annex
41、 ZA (normative) Normative references to international publications with their corresponding European publications 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.
42、 For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the E
43、uropean Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60068-2-1 - Environmental testing - Part 2-1: Tests - Test A: Cold EN 60068-2-1 - IEC 60068-2-2 - Environmental testing - Part 2-2: Tests - Test B: Dry heat EN 60068-2-2 - IEC 60068-2-6 -
44、Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 - IEC 60068-2-27 - Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 - IEC 60364-7-710 (mod) 2002 Electrical installations of buildings - Part 7-710: Requirements for special ins
45、tallations or locations - Medical locations HD 60364-7-710 2012 +AC 2013 IEC 60691 - Thermal-links - Requirements and application guid - - IEC 60721-3-1 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 1: Stora
46、ge EN 60721-3-1 - IEC 60721-3-2 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation EN 60721-3-2 - IEC 60721-3-3 - Classification of environmental conditions - Part 3: Classification of groups of
47、 environmental parameters and their severities - Section 3: Stationary use at weatherprotected locations EN 60721-3-3 - IEC 60947-5-1 - Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices EN 60947-5-1 - +EN 609
48、47-5-1:2004/corrigendum Jul. 2005 2005 +EN 60947-5-1:2004/corrigendum Nov. 2004 2004 IEC 60947-5-4 - Low-voltage switchgear and controlgear - Part 5-4: Control circuit devices and switching elements - Method of assessing the performance of low-energy contacts - Special tests EN 60947-5-4 - BS EN 615
49、57-8:2015EN 61557-8:2015 - 4 - IEC 61010-1 2010 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1: General requirements EN 61010-1 2010 IEC 61010-2-030:2010/corrigendum May 2011 - Safety requirements for electrical equipment for measurement, control and laboratory use - Part 2-030: Particular requirements for testing and measuring circuits - - IEC 61326-2-4 - Electrical equipment for measurement, control
