IEC 62052-11:2003/AMD1:2016

IEC 62052-11 ®
Edition 1.0 2016-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
Electricity metering equipment (a.c.) – General requirements, tests and test
conditions –
Part 11: Metering equipment
Equipement de comptage de l'électricité (c.a.) – Prescriptions générales, essais
et conditions d'essai –
Partie 11: Equipement de comptage

IEC 62052-11:2003-02/AMD1:2016-11(en-fr)

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IEC 62052-11 ®
Edition 1.0 2016-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
Electricity metering equipment (a.c.) – General requirements, tests and test

conditions –
Part 11: Metering equipment
Equipement de comptage de l'électricité (c.a.) – Prescriptions générales, essais

et conditions d'essai –
Partie 11: Equipement de comptage

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.20 ISBN 978-2-8322-3673-4

– 2 – IEC 62052-11:2003/AMD1:2016
© IEC 2016
FOREWORD
This amendment has been prepared by IEC technical committee 13: Electrical energy
measurement and control.
The text of this amendment is based on the following documents:
FDIS Report on voting
13/1700/FDIS 13/1714/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 stability 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• withdrawn,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.
NOTE The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations may need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation
nationally not earlier than 4 years from the date of publication.
The contents of the corrigendum of March 2018 have been included in this copy.
_____________
INTRODUCTION TO AMENDMENT 1
The purpose of this amendment is to identify and remove all safety related requirements and
tests of IEC 62052-11:2003 that are replaced and extended by the complete set of
requirements and tests in IEC 62052-31:2015.
Introduction
Add the following items to the list of standards:
IEC 62052-31:2015, Electricity metering equipment (AC) – General requirements, tests and
test conditions – Part 31: Product safety requirements and tests
IEC 62053-24:2014, Electricity metering equipment (AC) – Particular requirements – Part 24:
Static meters for reactive energy (classes 0,5 S, 1 S and 1)
Add the following third item after the two existing dashed items:

© IEC 2016
– meters for use in networks equipped with or without earth fault neutralizers.
1 Scope
At the end of the clause, add the following:
The safety aspect is covered by IEC 62052-31:2015.
2 Normative references
Add the following standard:
IEC 62052-31:2015, Electricity metering equipment (AC) – General requirements, tests and
test conditions – Part 31: Product safety requirements and tests
Remove the following standards:
IEC 60060-1:1989, High-voltage test techniques – Part 1: General definitions and test
requirements
IEC 60068-2-75:1997, Environmental testing – Part 2-75: Tests – Test Eh: Hammer tests
IEC 60085:1984, Thermal evaluation and classification of electrical insulation
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)
Amendment 1:1999
IEC 60695-2-11:2000, Fire hazard testing – Part 2-11: Glowing/hot-wire based test methods
Glow-wire flammability test method for end-products
ISO 75-2:1993, Plastics – Determination of temperature of deflection under load – Part 2:
Plastic and ebonite
Add the following note:
NOTE Some standards referenced in IEC 62052-11:2003 have been revised or replaced, but these changes will
be considered in the full revision of this standard.
3 Terms and definitions
3.2 Definitions related to the functional elements
3.2.8
auxiliary circuit
Replace the existing definition by:
See IEC 62052-31:2015, 3.5.11.
3.3 Definitions of mechanical elements
3.3.1
indoor meter
Replace the existing definition by:
See IEC 62052-31:2015, 3.2.11.

– 4 – IEC 62052-11:2003/AMD1:2016
© IEC 2016
3.3.2
outdoor meter
Replace the existing definition by:
See IEC 62052-31:2015, 3.2.12.
3.3.5
case
Replace the existing definition by:
See IEC 62052-31:2015, 3.2.5.
3.3.6
accessible conductive part
Replace the existing definition by:
See IEC 62052-31:2015, 3.5.1.
3.3.7
protective earth terminal
Replace the existing definition by:
See IEC 62052-31:2015, 3.2.8 (protective conductor terminal).
3.3.9
terminal cover
Replace the existing definition by:
See IEC 62052-31:2015, 3.2.6.
Delete the following two definitions:
3.3.10
clearance
3.3.11
creepage distance
3.4 Definitions related to insulation
Replace the existing definitions 3.4.1 to 3.4.6 by:
See IEC 62052-31:2015, 3.6.
3.7 Definition of tests
3.7.1
type test
Add the following at the end of the definition:
See also IEC 62052-31:2015, 3.4.1.

© IEC 2016
5 Mechanical requirements and tests
5.1 General mechanical requirements
Replace the first paragraph and the dashed items by the following:
Meters shall be designed and constructed in such a way as to avoid introducing any danger in
normal use and under normal conditions, so as to ensure especially:
• protection against electrical shock, see IEC 62052-31:2015, Clause 6;
• protection against mechanical hazards and stresses, see IEC 62052-31:2015, Clauses 7
and 8;
• protection against spread of fire, see IEC 62052-31:2015, Clause 9;
• personal safety against effects of excessive temperature, see IEC 62052-31:2015, Clause
10;
• protection against penetration of dust and water, see IEC 62052-31:2015, Clause 11;
• protection against liberated gases and substances, explosion and implosion, see
IEC 62052-31:2015, Clause 12.
5.2 Case
5.2.1 Requirements
Delete the penultimate paragraph.
5.2.2 Mechanical tests
5.2.2.1 Spring hammer test
Replace the existing text by:
The test shall be performed as part of safety testing as specified in IEC 62052-31:2015, 8.2.
5.4 Terminals – Terminal block(s) – Protective earth terminal
Replace the existing text by:
See IEC 62052-31:2015, 6.5.2, 6.9.5 and 6.9.7.
5.5 Terminal cover(s)
Replace the existing text by:
See IEC 62052-31:2015, 6.9.4.
5.6 Clearance and creepage distances
Replace the existing text by:
See IEC 62052-31:2015, 6.7.
5.7 Insulating encased meter of protective class II
Replace the existing text by:
See IEC 62052-31:2015:
– 6 – IEC 62052-11:2003/AMD1:2016
© IEC 2016
• 3.6.8, (Protective) class II equipment;
• 5.4.5.1, Protective class and earthing;
• 6.5.2, Protective bonding;
• 6.8, Insulation requirements between circuits and parts, and Annex B, Examples for
insulation between parts;
• 6.9.2, Insulating materials.
5.8 Resistance to heat and fire
Replace the existing text by:
See IEC 62052-31:2015, Clause 9.
5.9 Protection against penetration of dust and water
Replace the existing text by:
See IEC 62052-31:2015, Clause 11.
5.12 Marking of meter
At the beginning of the subclause, add the following:
This subclause shall be read together with IEC 62052-31:2015, Clause 5.
For metrology related markings, the existing text applies. For safety related markings,
IEC 62052-31:2015, Clause, 5 applies.
6.1 Temperature range
At the beginning of the subclause, add the following:
This subclause shall be read together with IEC 62052-31:2015, 1.4.1, 1.4.2 and 1.4.3.
6.2 Relative humidity
Replace the existing text by:
The meter shall be designed to withstand the climatic conditions specified in IEC 62052-
31:2015, 1.4.1 c), 1.4.2 c) and 1.4.3. For a combined temperature and humidity test, see 6.3.3
(of IEC 62052-11).
7 Electrical requirements
7.2 Heating
Keep the first paragraph.
Replace the other four paragraphs by:
For equipment temperature limits and resistance to heat, see IEC 62052-31:2015, Clause 10.
7.3 Insulation
Replace the second paragraph by:

© IEC 2016
The meter shall meet the requirements and shall pass the tests specified in IEC 62052-
31:2015, 6.7, 6.8 and 6.10.
Delete subclauses 7.3.1, 7.3.2 and 7.3.3.
7.4 Immunity to earth fault
At the end of the subclause, add the following:
See also IEC 62052-31:2015, 6.10.3.2.

– 8 – IEC 62052-11:2003/AMD1:2016
© IEC 2016
Annex A
(normative)
Relationship between ambient air temperature and relative humidity
Replace the existing text and Figure A.1 by:
See IEC 62052-31:2015, 1.4.1 c) and 1.4.2 c).

IEC 62052-1
...