EN 50470-2:2006/A1:2018

Electricity metering equipment (a.c.) - Part 2: Particular requirements - Electromechanical meters for active energy (class indexes A and B)

2021: CLC legacy converted by DCLab NISOSTS

Wechselstrom-Elektrizitätszähler - Teil 2: Besondere Anforderungen - Elektromechanische Wirkverbrauchszähler der Genauigkeitsklassen A und B

Equipement de comptage d'électricité (c.a.) - Partie 2: Prescriptions particulières - Compteurs électromécaniques d'énergie active (classes de précision A et B)

Oprema za merjenje električne energije (a.c.) - 2. del: Posebne zahteve - Elektromehanski števci za delovno energijo (razredna indeksa A in B) - Dopolnilo A1

General Information

• Status: Published
• Publication Date: 06-Dec-2018
• Withdrawal Date: 26-Aug-2021
• ICS: 91.140.50 - Electricity supply systems
• Technical Committee: CLC/TC 13 - Equipment for electrical energy measurement and load control
• Drafting Committee: CLC/TC 13 - Equipment for electrical energy measurement and load control
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 24-Sep-2025
• Completion Date: 14-Oct-2025
• Directive: 2004/22/EC - Directive 2004/22/EC of the European Parliament and of the Council of 31 March 2004 on measuring instruments
• Directive: 2014/30/EU - Directive 2014/30/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to electromagnetic compatibility (recast)
• Directive: 2014/32/EU - Directive 2014/32/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of measuring instruments
• Mandate: M/374 - Mandate to CEN and CENELEC for standards in the field of measuring instruments
• Mandate: M/441 - Standardisation mandate to CEN, CENELEC and ETSI in the field of measuring instruments for the development of an open architecture for utility meters involving communication protocols enabling interoperability
• Mandate: M/541 - [C(2015)8558] Standardization request in support of the implementation of Directive 2014/32/EU on measuring instruments
• Mandate: M/552 - [C(2016) 7641 final] Standardisation request as regards harmonised standards in support of Directive 2014/30/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to electromagnetic compatibility
• Ref Project: SIST EN 50470-2:2007/A1:2019 - Electricity metering equipment (a.c.) - Part 2: Particular requirements - Electromechanical meters for active energy (class indexes A and B)

Relations

• Amends: EN 50470-2:2006 - Electricity metering equipment (a.c.) - Part 2: Particular requirements - Electromechanical meters for active energy (class indexes A and B)
• Effective Date: 04-Apr-2017

Overview

EN 50470-2:2006/A1:2018 is a CENELEC amendment that defines the particular requirements for electromechanical AC electricity meters for active energy with class indexes A and B. It updates EN 50470-2:2006 by aligning safety-related tests and requirements with EN 62052-31:2016 and clarifying scope and normative references. This amendment supports conformity assessment under Directive 2014/32/EU (Measuring Instruments Directive) via the informative Annex ZZ.

Key topics and technical requirements

• Scope and applicability
  • Applies to electromechanical meters measuring active energy (class indexes A and B).
  • Safety aspects are explicitly covered by EN 62052-31:2016.
• Normative references
  • Links with EN 50470-1:2006 + A1:2018 (general requirements, tests and conditions).
  • References safety and test procedures to EN 62052-31:2016 and acceptance inspection standards EN 62058-11 / EN 62058-21.
• Specified test updates
  • A.C. voltage test: now applies EN 62052-31 clauses (6.10.4.3.4 and Annex G).
  • Short-time overcurrents: metrology tests remain; safety-related requirements and tests from EN 62052-31 (6.9.8, 6.10.5, 6.10.6) also apply.
  • Self-heating: test cable specifications are aligned with EN 62052-31 (4.3.2.11).
• Conformity and regulatory relationship
  • Annex ZZ maps the standard to essential requirements of Directive 2014/32/EU, noting a presumption of conformity when cited in the Official Journal.
  • Software-specific requirements (suitability/protection against corruption) are noted as not applicable to electromechanical meters.

Applications and who uses this standard

• Meter manufacturers designing, testing, or upgrading electromechanical active energy meters (class A/B).
• Testing and calibration laboratories applying A.C. voltage, overcurrent and self‑heating tests to verify metrological and safety performance per harmonized methods.
• Utilities and electricity distributors specifying procurement and acceptance tests for legacy electromechanical meters.
• Conformity assessors and notified bodies demonstrating compliance with the Measuring Instruments Directive (2014/32/EU) for electromechanical meters.
• Regulatory bodies and standards committees maintaining national implementations of CENELEC standards.

Related standards

• EN 50470-1:2006 (+A1:2018) - General requirements, tests and test conditions for metering equipment (A, B, C).
• EN 62052-31:2016 - Product safety requirements and tests for electricity metering equipment (AC).
• EN 62058-11 / EN 62058-21 - Acceptance inspection methods and particular requirements for electromechanical meters.

Keywords: EN 50470-2:2006/A1:2018, electromechanical meters, electricity metering equipment, active energy meters, class A B, EN 50470-1, EN 62052-31, EN 62058, measuring instruments directive.

Standards Content (Sample)

SLOVENSKI STANDARD
01-februar-2019
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Electricity metering equipment (a.c.) - Part 2: Particular requirements -
Electromechanical meters for active energy (class indexes A and B)
Wechselstrom-Elektrizitätszähler - Teil 2: Besondere Anforderungen -
Elektromechanische Wirkverbrauchszähler der Genauigkeitsklassen A und B
Equipement de comptage d'électricité (c.a.) - Partie 2: Prescriptions particulières -
Compteurs électromécaniques d'énergie active (classes de précision A et B)
Ta slovenski standard je istoveten z: EN 50470-2:2006/A1:2018
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50470-2:2006/A1

NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2018
ICS 91.140.50
English Version
Electricity metering equipment (a.c.) - Part 2: Particular
requirements - Electromechanical meters for active energy
(class indexes A and B)
Equipement de comptage d'électricité (c.a.) - Partie 2: Wechselstrom-Elektrizitätszähler - Teil 2: Besondere
Prescriptions particulières - Compteurs électromécaniques Anforderungen - Elektromechanische Wirkverbrauchszähler
d'énergie active (classes de précision A et B) der Genauigkeitsklassen A und B
This amendment A1 modifies the European Standard EN 50470-2:2006; it was approved by CENELEC on 2018-08-27. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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
Management Centre or to any CENELEC member.
This amendment 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 same 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,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50470-2:2006/A1:2018 E

Contents Page
European foreword . 3
Introduction . 4
1 Modifications to the Scope . 4
2 Modifications to Clause 2, Normative references . 4
3 Modifications to 7.2, A.C. voltage test . 4
4 Modifications to 8.6, Short time overcurrents . 4
5 Modifications to 8.7.7.5, Self-heating. 4
6 Modifications to Annex ZZ . 5
7 Modifications to the Bibliography . 5

SIST EN 50470-2:
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