1、Electricity metering equipment (AC) Generalrequirements, tests and test conditionsPart 31: Product safety requirements and testsBS EN 62052-31:2016BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis British Standard is the UK implementation of EN 62
2、052-31:2016. It isidentical to IEC 62052-31:2015.The UK participation in its preparation was entrusted to TechnicalCommittee PEL/13, Electricity Meters.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all th
3、e necessary provisions ofa contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 73736 7ICS 19.080; 91.140.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This Britis
4、h Standard was published under the authority of theStandards Policy and Strategy Committee on 30 June 2016.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62052-31:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62052-31 June 2016 ICS 19.080; 91.140.50
5、English Version Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 31: Product safety requirements and tests (IEC 62052-31:2015) Equipement de comptage de llectricit (CA) - Exigences gnrales, essais et conditions dessai - Partie 31 : Exigences et essais sur
6、la scurit de produit (IEC 62052-31:2015) Wechselstrom-Elektrizittszhler - Allgemeine Anforderungen, Prfungen und Prfbedingungen - Teil 31: Sicherheitsanforderungen und Prfungen (IEC 62052-31:2015) This European Standard was approved by CENELEC on 2015-10-20. CENELEC members are bound to comply with
7、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 bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Managem
8、ent Centre 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the sa
9、me status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Li
10、thuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnis
11、che Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62052-31:2016 E BS EN 62052-31:2016EN 62052-31:2016 2 European foreword The text of document 13/1639/F
12、DIS, future edition 1 of IEC 62052-31, prepared by IEC/TC 13 “Electrical energy measurement and control“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62052-31:2016. The following dates are fixed: latest date by which the document has to be implemented at national leve
13、l by publication of an identical national standard or by endorsement (dop) 2016-12-17 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2019-06-17 Attention is drawn to the possibility that some of the elements of this document may be the subject of
14、 patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62052-31:2015 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliograp
15、hy, the following notes have to be added for the standards indicated: IEC 60038 NOTE Harmonized as EN 60038. IEC 60060-1:2010 NOTE Harmonized as EN 60060-1:2010 (not modified). IEC 60065 NOTE Harmonized as EN 60065. IEC 60068-1:2013 NOTE Harmonized as EN 60068-1:2014 (not modified). IEC 60071-1 NOTE
16、 Harmonized as EN 60071-1. IEC 60079-0 NOTE Harmonized as EN 60079-0. IEC 60228 NOTE Harmonized as EN 60228. IEC 60255-27:2013 NOTE Harmonized as EN 60255-27:2014 (not modified). IEC 60269-1 NOTE Harmonized as EN 60269-1. IEC 60335-1 NOTE Harmonized as EN 60335-1. IEC 60364-1:2005 NOTE Harmonized as
17、 HD 60364-1:2008 (modified). IEC 60364-4-41 NOTE Harmonized as HD 60364-4-41. BS EN 62052-31:2016EN 62052-31:2016 3 IEC 60364-5-52 NOTE Harmonized as HD 60364-5-52. IEC 60664-3:2003 Amd 1:2010 NOTE Harmonized as EN 60664-3:2003 (not modified) and as EN 60664-3:2003/A1:2010 (not modified). IEC 60688:
18、2012 NOTE Harmonized as EN 60688:2013 (not modified). IEC 60721-3-0:1984 Amd 1:1987 NOTE Harmonized as EN 60721-3-0:1993 (not modified). IEC 60721-3-3:1994 Amd 2:1997 NOTE Harmonized as EN 60721-3-3:1995 (not modified) and as EN 60721-3-3:1995/A2:1997 (not modified) IEC 60947-1:2007, Amd 1:2010 Amd
19、2:2014 NOTE Harmonized as EN 60947-1:2007 (not modified), as EN 60947-1:2007/A1:2011 (not modified) and as EN 60947-1:2007/A2:2014 (not modified). IEC 60990 NOTE Harmonized as EN 60990. IEC 61008-1 NOTE Harmonized as EN 61008-1. IEC 61000-4-5:2014 NOTE Harmonized as EN 61000-4-5:2014 (not modified).
20、 IEC 61010-1:2010 NOTE Harmonized as EN 61010-1:2010 (not modified). IEC 61030-2-030 NOTE Harmonized as EN 61030-2-030. IEC 61140 NOTE Harmonized as EN 61140. IEC 61180-1:1992 NOTE Harmonized as EN 61180-1:1994 (not modified). IEC 61558-1 NOTE Harmonized as EN 61558-1. IEC 61558-2-16 NOTE Harmonized
21、 as EN 61558-2-16. IEC 61643-12 NOTE Harmonized as CLC/TS 61643-12. IEC 61869-3 NOTE Harmonized as EN 61869-3. IEC 62052-11:2003 NOTE Harmonized as EN 62052-11:2003 (not modified). IEC 62052-21:2004 NOTE Harmonized as EN 62052-21:2004 (not modified). IEC 62053-11:2003 NOTE Harmonized as EN 62053-11:
22、2003 (not modified). IEC 62053-21:2003 NOTE Harmonized as EN 62053-21:2003 (not modified). IEC 62053-22:2003 NOTE Harmonized as EN 62053-22:2003 (not modified). IEC 62053-23:2003 NOTE Harmonized as EN 62053-23:2003 (not modified). IEC 62053-24:2014 NOTE Harmonized as EN 62053-24:2015 (not modified).
23、 IEC 62053-31:1998 NOTE Harmonized as EN 62053-31:1998 (not modified). IEC 62054-11:2004 NOTE Harmonized as EN 62054-11:2004 (not modified). IEC 62054-21:2004 NOTE Harmonized as EN 62054-21:2004 (not modified). IEC 62055-31:2005 NOTE Harmonized as EN 62055-31:2005 (not modified). BS EN 62052-31:2016
24、EN 62052-31:2016 4 IEC 62058-11:2008 NOTE Harmonized as EN 62058-11:2010 (modified). IEC 62058-21:2008 NOTE Harmonized as EN 62058-21:2010 (modified). IEC 62058-31:2008 NOTE Harmonized as EN 62058-31:2010 (modified). IEC 62477-1:2012 NOTE Harmonized as EN 62477-1:2012 (not modified). ISO 780 NOTE Ha
25、rmonized as EN ISO 780. ISO 7010 NOTE Harmonized as EN ISO 7010. BS EN 62052-31:2016EN 62052-31:2016 5 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in th
26、is 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. NOTE 1 When an International Publication has been modified by common modifications, i
27、ndicated 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 Year IEC 60027-1 - Letter symbols to be used in electrical technology - Part 1: General E
28、N 60027-1 - IEC 60068-2-75 2014 Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests EN 60068-2-75 2014 IEC 60068-2-78 - Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state EN 60068-2-78 - IEC 60085 - Electrical insulation - Thermal evaluation and designation EN
29、60085 - IEC 60112 - Method for the determination of the proof and the comparative tracking indices of solid insulating materials EN 60112 - IEC 60269-3 - Low-voltage fuses - Part 3: Supplementary requirements for fuses for use by unskilled persons (fuses mainly for household or similar applications)
30、 - Examples of standardized systems of fuses A to F HD 60269-3 - IEC 60332-1-2 2004 Tests on electric and optical fibre cables under fire conditions - Part 1-2: Test for vertical flame propagation for a single insulated wire or cable - Procedure for 1 kW pre-mixed flame EN 60332-1-2 2004 - - + A11 2
31、016 1)1) To be published. BS EN 62052-31:2016EN 62052-31:2016 6 Publication Year Title EN/HD Year IEC 60332-2-2 2004 Tests on electric and optical fibre cables under fire conditions - Part 2-2: Test for vertical flame propagation for a single small insulated wire or cable - Procedure for diffusion f
32、lame EN 60332-2-2 2004 IEC 60364-4-44 (mod) 2007 Low-voltage electrical installations - Part 4-442: Protection for safety - Protection of low-voltage installations against temporary overvoltages due to earth faults in the high-voltage system and due to faults in the low voltage system HD 60364-4-442
33、 2012 IEC 60364-4-44 (mod) 2007 Low-voltage electrical installations - Part 4-444: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances HD 60364-4-444 2010 IEC 60417-DB - Graphical symbols for use on equipment - - IEC 60529 1989 Degrees of protection provi
34、ded by enclosures (IP Code) EN 60529 1991 - - + corrigendum May 1993 + A1 1999 + A1 2000 + A2 2013 + A2 2013 IEC 60617-DB - Graphical symbols for diagrams - - IEC 60664-1 2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests EN 60664-1 200
35、7 IEC 60695-2-11 - Fire hazard testing - Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products (GWEPT) EN 60695-2-11 - IEC 60695-10-2 - Fire hazard testing - Part 10-2: Abnormal heat - Ball pressure test method EN 60695-10-2 - IEC 60695-11-10 - Fire haz
36、ard testing - Part 11-10: Test flames - 50 W horizontal and vertical flame test methods EN 60695-11-10 - IEC 60950-1 (mod) 2005 Information technology equipment - Safety - Part 1: General requirements EN 60950-1 2006 - - + A11 2009 + A1 (mod) 2009 + A1 2010 - - + A12 2011 - - + AC 2011 + A2 (mod) 20
37、13 + A2 2013 BS EN 62052-31:2016EN 62052-31:2016 7 Publication Year Title EN/HD Year IEC 61032 1997 Protection of persons and equipment by enclosures - Probes for verification EN 61032 1998 IEC 61180-2 - High-voltage test techniques for low-voltage equipment - Part 2: Test equipment EN 61180-2 - IEC
38、 62053-52 - Electricity metering equipment (AC) - Particular requirements - Part 52: Symbols EN 62053-52 - ISO 75-2 - Plastics - Determination of temperature of deflection under load - Part 2: Plastics and ebonite EN ISO 75-2 - ISO 306 - Plastics - Thermoplastic materials - Determination of Vicat so
39、ftening temperature (VST) EN ISO 306 - ISO 3864-1 - Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs and safety markings - - ISO 7000 2004 Graphical symbols for use on equipment - Index and synopsis - - BS EN 62052-31:2016 2 IEC 62052-31:2015 IEC 2015
40、CONTENTS FOREWORD . 8 INTRODUCTION . 10 1 Scope and object . 12 1.1 Scope . 12 1.2 Object . 13 1.2.1 Aspects included in scope . 13 1.2.2 Aspects excluded from scope 13 1.3 Verification 14 1.4 Environmental conditions 14 1.4.1 Normal environmental conditions . 14 1.4.2 Extended environmental conditi
41、ons . 14 1.4.3 Extreme environmental conditions . 15 2 Normative references 15 3 Terms and definitions 16 3.1 Equipment and states of equipment 16 3.2 Parts and accessories . 17 3.3 Quantities . 19 3.4 Tests 21 3.5 Safety terms . 21 3.6 Insulation 25 3.7 Terms related to switches of metering equipme
42、nt 29 4 Tests . 31 4.1 General . 31 4.2 Type test sequence of tests . 31 4.3 Reference test conditions 32 4.3.1 Atmospheric conditions 32 4.3.2 State of the equipment . 32 4.4 Testing in single fault condition . 36 4.4.1 General . 36 4.4.2 Application of fault conditions 36 4.4.3 Duration of tests 3
43、8 4.4.4 Conformity after application of fault conditions . 38 5 Information and marking requirements . 39 5.1 General . 39 5.2 Labels, signs and signals 41 5.2.1 General . 41 5.2.2 Durability of markings 43 5.3 Information for selection . 43 5.3.1 General . 43 5.3.2 General information . 43 5.3.3 In
44、formation related to meters / metering elements . 44 5.3.4 Information related to stand-alone tariff-and load control equipment 44 5.3.5 Information related to supply control and load control switches 44 5.4 Information for installation and commissioning 44 5.4.1 General . 44 5.4.2 Handling and moun
45、ting 45 BS EN 62052-31:2016IEC 62052-31:2015 IEC 2015 3 5.4.3 Enclosure 45 5.4.4 Connection 45 5.4.5 Protection 47 5.4.6 Auxiliary power supply . 48 5.4.7 Supply for external devices 48 5.4.8 Batteries 48 5.4.9 Self-consumption . 48 5.4.10 Commissioning 49 5.5 Information for use 49 5.5.1 General .
46、49 5.5.2 Display, push buttons and other controls . 49 5.5.3 Switches 49 5.5.4 Connection to users equipment . 50 5.5.5 External protection devices 50 5.5.6 Cleaning 50 5.6 Information for maintenance 50 6 Protection against electrical shock . 50 6.1 General requirements . 50 6.2 Determination of ac
47、cessible parts . 51 6.2.1 General . 51 6.2.2 Examination . 51 6.2.3 Openings above parts that are hazardous live . 52 6.2.4 Openings for pre-set controls . 52 6.2.5 Wiring terminals . 53 6.3 Limit values for accessible parts . 53 6.3.1 General . 53 6.3.2 Levels in normal condition . 53 6.3.3 Levels
48、in single fault condition . 53 6.4 Primary means of protection (protection against direct contact) 56 6.4.1 General . 56 6.4.2 Equipment case . 56 6.4.3 Basic insulation . 56 6.4.4 Impedance . 56 6.5 Additional means of protection in case of single fault conditions (protection against indirect conta
49、ct) 57 6.5.1 General . 57 6.5.2 Protective bonding . 57 6.5.3 Supplementary insulation and reinforced insulation . 61 6.5.4 Protective impedance 61 6.5.5 Automatic disconnection of the supply . 61 6.5.6 Current- or voltage-limiting device . 62 6.6 Connection to external circuits 62 6.6.1 General . 62 6.6.2 Terminals for external circuits 63 6.6.3 Terminals for stranded conductors . 63 6.7 Insulation requirements . 63 6.7.1 General Electrical stresses, overvoltages and overvoltage categories. 63 6.7.2
