IEC 61000-6-8:2020

Electromagnetic compatibility (EMC) - Part 6-8: Generic standards - Emission standard for professional equipment in commercial and light-industrial locations

IEC 61000-6-8: 2020 is a generic EMC emission standard and is applicable only if no relevant dedicated product or product family EMC emission standard has been published. This part of IEC 61000 for emission requirements applies to electrical and electronic equipment intended for use in commercial and light-industrial (see 3.1.3) locations. This document applies to equipment that satisfy the following restrictions of use:
is defined as professional equipment (see 3.1.13),
is professionally installed and maintained (see 3.1.14 and Clause 6),
is not intended to be used in residential locations (see 3.1.16).  IEC 61000-6-3 applies to electrical and electronic equipment intended for use at commercial and light-industrial locations that do not satisfy these restrictions. The intention is that all equipment used in the residential, commercial and light-industrial environments are covered by IEC 61000-6-3 or IEC 61000-6-8. If there is any doubt, the requirements in IEC 61000-6-3 apply. Emission requirements within the frequency range 0 Hz to 400 GHz are covered. The conducted and radiated emission requirements in the frequency range up to 400 GHz are considered essential and have been selected to provide an adequate level of protection of radio reception in the defined electromagnetic environment. Not all disturbance phenomena have been included for testing purposes but only those considered relevant for the equipment intended to operate within the locations included within this document. The emission requirements in this document are not intended to be applicable to the intentional transmissions and their harmonics from a radio transmitter as defined by the ITU.
NOTE 1 Safety considerations are not covered by this document.
NOTE 2 In special cases, situations will arise where the levels specified in this document will not offer adequate protection; for example where a sensitive receiver is used in close proximity to an equipment. In these instances, employ special mitigation measures to reduce any impact.
NOTE 3 Disturbances generated in fault conditions of equipment are not covered by this document.
NOTE 4 Equipment which complies with IEC 61000-6-3 are suitable for use within these defined locations.

Compatibilité électromagnétique (CEM) - Partie 6-8: Normes génériques - Norme d’émission pour les matériels professionnels utilisés dans des environnements commerciaux et de l’industrie légère

IEC 61000-6-8: 2020 est une norme d'émissions CEM générique et n'est applicable que si aucune norme d'émissions CEM de produit ou de famille de produits dédiée n'a été publiée. La présente partie de l’IEC 61000 concernant les exigences d’émission s'applique aux matériels électriques et électroniques destinés à être utilisés dans des environnements commerciaux et de l'industrie légère (voir 3.1.3). Le présent document s’applique aux matériels qui satisfont aux restrictions d’utilisation suivantes:
qui sont définis comme matériels professionnels (voir 3.1.13),
qui sont installés et maintenus par des professionnels (voir 3.1.14 et Article 6),
qui ne sont pas destinés à être utilisés dans des environnements résidentiels (voir 3.1.16).  L‘IEC 61000-6-3 s’applique aux matériels électriques et électroniques destinés à être utilisés dans des environnements commerciaux et de l'industrie légère qui ne satisfont pas à ces restrictions.
L’objectif est que tous les matériels utilisés dans les environnements résidentiels, commerciaux et de l’industrie légère soient couverts par l’IEC 61000-6-3 ou l’IEC 61000-6-8. En cas de doute, les exigences spécifiées dans l’IEC 61000-6-3 s'appliquent. Les exigences d’émission dans la plage de fréquences de 0 Hz à 400 GHz sont couvertes. Les exigences d’émissions conduites et rayonnées dans la plage de fréquences jusqu'à 400 GHz sont considérées comme essentielles et ont été choisies de manière à assurer un niveau adéquat de protection de la réception radioélectrique dans l’environnement électromagnétique défini. Tous les phénomènes perturbateurs n'ont pas été inclus pour les besoins de l'essai. Seuls l'ont été ceux considérés comme pertinents pour les matériels destinés à fonctionner dans les environnements couverts par le présent document. Les exigences d’émission spécifiées dans le présent document ne sont pas destinées à s’appliquer aux transmissions intentionnelles et à leurs harmoniques provenant d’un émetteur tel que défini par l'UIT.
NOTE 1 Ce document ne traite pas des aspects de sécurité.
NOTE 2 Dans des cas particuliers, des situations apparaissent dans lesquelles les niveaux spécifiés dans le présent document n’offrent pas la protection adéquate, lorsqu’un récepteur sensible est utilisé très proche d’un matériel par exemple. Dans de tels cas, utiliser des mesures d’atténuation particulières afin de réduire tout effet éventuel.
NOTE 3 Les perturbations générées dans les conditions de défaut du matériel ne sont pas couvertes par le présent document.
NOTE 4 Les matériels conformes à l’IEC 61000-6-3 conviennent à une utilisation dans ces environnements définis.

General Information

• Status: Published
• Publication Date: 29-Jul-2020
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 33.100.10 - Emission
• Technical Committee: H - Limits for the protection of radio services
• Current Stage: PPUB - Publication issued
• Completion Date: 30-Jul-2020

Standards Content (Sample)

IEC 61000-6-8
Edition 1.0 2020-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
GENERIC EMC STANDARD
NORME GÉNÉRIQUE EN CEM
Electromagnetic compatibility (EMC) –
Part 6-8: Generic standards – Emission standard for professional equipment in
commercial and light-industrial locations
Compatibilité électromagnétique (CEM) –
Partie 6-8: Normes génériques – Norme d’émission pour les matériels
professionnels utilisés dans des environnements commerciaux et
de l’industrie légère
IEC 61000-6-8:2020-07(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61000-6-8
Edition 1.0 2020-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
INTERNATIONAL SPECIAL COMMITTEE ON RADIO INTERFERENCE
COMITÉ INTERNATIONAL SPÉCIAL DES PERTURBATIONS RADIOÉLECTRIQUES
GENERIC EMC STANDARD
NORME GÉNÉRIQUE EN CEM
Electromagnetic compatibility (EMC) –
Part 6-8: Generic standards – Emission standard for professional equipment in
commercial and light-industrial locations
Compatibilité électromagnétique (CEM) –
Partie 6-8: Normes génériques – Norme d’émission pour les matériels
professionnels utilisés dans des environnements commerciaux et
de l’industrie légère
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.100.10 ISBN 978-2-8322-8662-3

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 61000-6-8:2020 © IEC 2020
CONTENTS

FOREWORD ........................................................................................................................... 4

INTRODUCTION ..................................................................................................................... 6

1 Scope .............................................................................................................................. 7

2 Normative references ...................................................................................................... 7

3 Terms, definitions and abbreviated terms ........................................................................ 9

3.1 Terms and definitions .............................................................................................. 9

3.2 Abbreviated terms ................................................................................................. 12

4 Classification of equipment ............................................................................................ 13

5 Measurements and conditions during testing ................................................................. 13

6 Documentation for the user ............................................................................................ 14

7 Applicability ................................................................................................................... 15

8 Emission requirements .................................................................................................. 15

9 Measurement uncertainty .............................................................................................. 15

10 Compliance with this document ..................................................................................... 15

11 Emission test requirements ............................................................................................ 16

Annex A (informative) Examples of emission classification of equipment and mapping

to the immunity standard ....................................................................................................... 22

Annex B (normative) Testing of DC powered systems .......................................................... 23

Annex C (informative) Rationale for alternative test levels at the DC power port .................. 25

C.1 General ................................................................................................................. 25

C.2 Necessity of alternative test methods in generic standards ................................... 25

C.3 Limit justification in table clause 5.2 ...................................................................... 25

C.3.1 Proportional relation approach ....................................................................... 25

C.3.2 Current-to-voltage conversion approach ........................................................ 26

C.3.3 Setting the final limit ...................................................................................... 27

Annex D (informative) Special measures and mitigation techniques ..................................... 28

Bibliography .......................................................................................................................... 30

Figure 1 – Example of ports .................................................................................................. 11

Figure C.1 – Equivalent circuit of test set-up for measurement of disturbance voltages ......... 26

Figure C.2 – Limit proposals of the two different approach and the final limit

compromise .......................................................................................................................... 27

Table 1 – Test arrangements of EUT .................................................................................... 14

Table 2 – Required highest frequency for radiated measurement .......................................... 16

Table 3 – Requirements for radiated emissions – Enclosure port .......................................... 18

Table 4 – Requirements for conducted emissions – Low voltage AC mains port .................... 19

Table 5 – Requirements for conducted emissions – DC power port ....................................... 20

Table 6 – Requirements for conducted emissions, other wires ports ..................................... 21

Table A.1 – Examples of emission classification of equipment to immunity standard

against product type and its intended environment ................................................................ 22

Table B.1 – Conducted testing requirements of DC powered equipment................................ 24

Table B.2 – Conditional requirements for the start frequency of test at DC power ports

for tests defined in table clause B1.4 to B1.7 ........................................................................ 24

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IEC 61000-6-8:2020 © IEC 2020 – 3 –

Table C.1 – DC power port, terminal disturbance voltage limits for class A GCPCs,

measured on a test site, proportion relation approach .......................................................... 26

Table C.2 – DC power port, terminal disturbance voltage limits for class A GCPCs,

measured on a test site, current-to-voltage conversion approach .......................................... 27

Table C.3 – DC power port, terminal disturbance voltage limits for class A GCPCs,

with rated throughput ≤ 20 kVA ............................................................................................. 27

Table D.1 – Examples of special measures and mitigation techniques, for the

enclosure port ....................................................................................................................... 28

Table D.2 – Examples of special measures and mitigation techniques, for the various

wired ports ............................................................................................................................ 29

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– 4 – IEC 61000-6-8:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTROMAGNETIC COMPATIBILITY (EMC) –
Part 6-8: Generic standards – Emission standard for professional
equipment in commercial and light-industrial locations
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international

co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and

in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,

Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their

preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with

may participate in this preparatory work. International, governmental and non-governmental organizations liaising

with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for

Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

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4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

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any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.

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assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

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other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent

rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 61000-6-8 has been prepared by CISPR subcommittee H: Limits for

the protection of radio services.
The text of this document is based on the following documents:
CDV Report on voting
CIS/H/401/CDV CIS/H/414/RVC

Full information on the voting for the approval of this document can be found in the report on

voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all parts in the IEC 61000 series, published under the general title Electromagnetic

compatibility (EMC), can be found on the IEC website.
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IEC 61000-6-8:2020 © IEC 2020 – 5 –

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct understanding

of its contents. Users should therefore print this document using a colour printer.

---------------------- Page: 7 ----------------------
– 6 – IEC 61000-6-8:2020 © IEC 2020
INTRODUCTION
IEC 61000 is published in separate parts according to the following structure:
Part 1: General
General considerations (introduction, fundamental principles)
Definitions, terminology
Part 2: Environment
Description of the environment
Classification of the environment
Compatibility levels
Part 3: Limits
Emission limits

Immunity limits (insofar as they do not fall under the responsibility of the product committees)

Part 4: Testing and measurement techniques
Measurement techniques
Testing techniques
Part 5: Installation and mitigation guidelines
Installation guidelines
Mitigation methods and devices
Part 6: Generic standards
Part 9: Miscellaneous

Each part is further subdivided into several parts published either as International Standards or

technical reports/specifications, some of which have already been published as sections.

Others will be published with the part number followed by a dash and a second number

identifying the subdivision (example: IEC 61000-6-1).
---------------------- Page: 8 ----------------------
IEC 61000-6-8:2020 © IEC 2020 – 7 –
ELECTROMAGNETIC COMPATIBILITY (EMC) –
Part 6-8: Generic standards – Emission standard for professional
equipment in commercial and light-industrial locations
1 Scope

This generic EMC emission standard is applicable only if no relevant dedicated product or

product family EMC emission standard has been published.

This part of IEC 61000 for emission requirements applies to electrical and electronic equipment

intended for use in commercial and light-industrial (see 3.1.3) locations. This document applies

to equipment that satisfy the following restrictions of use:
• is defined as professional equipment (see 3.1.13),
• is professionally installed and maintained (see 3.1.14 and Clause 6),
• is not intended to be used in residential locations (see 3.1.16).

IEC 61000-6-3 applies to electrical and electronic equipment intended for use at commercial

and light-industrial locations that do not satisfy these restrictions.

The intention is that all equipment used in the residential, commercial and light-industrial

environments are covered by IEC 61000-6-3 or IEC 61000-6-8. If there is any doubt, the

requirements in IEC 61000-6-3 apply.
Emission requirements within the frequency range 0 Hz to 400 GHz are covered.

The conducted and radiated emission requirements in the frequency range up to 400 GHz are

considered essential and have been selected to provide an adequate level of protection of radio

reception in the defined electromagnetic environment. Not all disturbance phenomena have

been included for testing purposes but only those considered relevant for the equipment

intended to operate within the locations included within this document.

The emission requirements in this document are not intended to be applicable to the intentional

transmissions and their harmonics from a radio transmitter as defined by the ITU.

NOTE 1 Safety considerations are not covered by this document.

NOTE 2 In special cases, situations will arise where the levels specified in this document will not offer adequate

protection; for example where a sensitive receiver is used in close proximity to an equipment. In these instances,

employ special mitigation measures to reduce any impact.

NOTE 3 Disturbances generated in fault conditions of equipment are not covered by this document.

NOTE 4 Equipment which complies with IEC 61000-6-3 are suitable for use within these defined locations.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies.

For undated references, the latest edition of the referenced document (including any

amendments) applies.

IEC 61000-3-2:2018, Electromagnetic compatibility (EMC) – Part 3-2: Limits – Limits for

harmonic current emissions (equipment input current ≤ 16 A per phase)
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– 8 – IEC 61000-6-8:2020 © IEC 2020

IEC 61000-3-3:2013, Electromagnetic compatibility (EMC) – Part 3-3: Limits – Limitation of

voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for

equipment with rated current ≤ 16 A per phase and not subject to conditional connection

IEC 61000-3-3:2013/AMD1:2017

IEC 61000-3-11:2017, Electromagnetic compatibility (EMC) – Part 3-11: Limits – Limitation of

voltage changes, voltage fluctuations and flicker in public low-voltage supply systems –

Equipment with rated current ≤ 75 A and subject to conditional connection

IEC 61000-3-12:2011, Electromagnetic compatibility (EMC) – Part 3-12: Limits – Limits for

harmonic currents produced by equipment connected to public low-voltage systems with input

current > 16 A and ≤ 75 A per phase

IEC 61000-4-20:2010, Electromagnetic compatibility (EMC) – Part 4-20: Testing and

measurement techniques – Emission and immunity testing in transverse electromagnetic (TEM)

waveguide

IEC 61000-6-3, Electromagnetic compatibility (EMC) – Part 6-3: Generic standards – Emission

standard for equipment in residential environments

CISPR 16-1-1:2019, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 1-1: Radio disturbance and immunity measuring apparatus – Measuring

apparatus

CISPR 16-1-2:2014, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 1-2: Radio disturbance and immunity measuring apparatus – Coupling devices

for conducted disturbance measurements
CISPR 16-1-2:2014/AMD1:2017

CISPR 16-1-4:2019, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 1-4: Radio disturbance and immunity measuring apparatus – Antennas and test

sites for radiated disturbance measurements

CISPR 16-1-5:2014, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 1-5: Radio disturbance and immunity measuring apparatus – Antenna
calibration sites and reference test sites for 5 MHz to 18 GHz
CISPR 16-1-5:2014/AMD1:2016

CISPR 16-1-6:2014, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 1-6: Radio disturbance and immunity measuring apparatus – EMC antenna

calibration
CISPR 16-1-6:2014/AMD1:2017

CISPR 16-2-1:2014, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 2-1: Methods of measurement of disturbances and immunity – Conducted

disturbance measurements
CISPR 16-2-1:2014/AMD1:2017

CISPR 16-2-3:2016, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 2-3: Methods of measurement of disturbances and immunity – Radiated

disturbance measurements
___________

1 Under preparation. Stage at the time of publication: IEC DECPUB 61000-6-3:2020.

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IEC 61000-6-8:2020 © IEC 2020 – 9 –

CISPR 16-4-2:2011, Specification for radio disturbance and immunity measuring apparatus and

methods – Part 4-2: Uncertainties, statistics and limit modelling – Measurement instrumentation

uncertainty
CISPR 16-4-2:2011/AMD1:2014
CISPR 16-4-2:2011/AMD2:2018
CISPR 32:2015, Electromagnetic compatibility of multimedia equipment – Emission
requirements
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1.1
antenna port

port, other than a broadcast receiver tuner port (3.1.2), for connection of an antenna used for

intentional transmission and/or reception of radiated RF energy
3.1.2
broadcast receiver tuner port

port intended for the reception of a modulated RF signal carrying terrestrial, satellite and/or

cable transmissions of audio and/or video broadcast and similar services

Note 1 to entry: This port may be connected to an antenna, a cable distribution system, a VCR or similar device.

3.1.3
commercial and light-industrial location

location which are not residential in accordance with 3.1.16, where the mains supply is directly

connected to the low-voltage public network or connected to a dedicated DC source which is

intended to interface between the equipment and the low-voltage public mains network.

Note 1 to entry: Examples of commercial or light-industrial locations are:
• retail outlets,
• business premises,
• areas of public entertainment,
• places of worship,
• outdoor locations,
• general public locations,
• hospitals, educational institutions,
• public traffic area, railway stations, and public areas of an airport,

• specific common area of buildings, such as basements, control rooms, electrical service areas,

• workshops, laboratories, service centres.

Note 2 to entry: Within these locations it is expected to operate a radio receiver within a distance of 30 m from the

equipment. The risk of interference will be minimized by following the instructions defined in Clause 5.

3.1.4
DC distribution network

local supply network in the infrastructure of a site or building intended for use by one or more

different types of equipment and providing power independent of the public mains network

Note 1 to entry: Connection to a remote local battery is not regarded as a DC distribution network, if such a link

comprises only power supply for a single piece of equipment.
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– 10 – IEC 61000-6-8:2020 © IEC 2020
3.1.5
DC power port

port used to connect to a low voltage DC power generating system, energy storage or DC

distribution network to power the equipment
Note 1 to entry: See Annex B.
3.1.6
enclosure port

physical boundary of the equipment which electromagnetic fields may radiate through or

impinge on
3.1.7
highest internal frequency

highest fundamental frequency generated or used within the EUT, or the highest frequency at

which it operates
3.1.8
low voltage
voltage having a value below a conventionally adopted limit

Note 1 to entry: For the distribution of AC electric power, the upper limit is generally accepted to be 1 000 V. For

the distribution of DC electric power, the upper limit is generally accepted to be 1 500 V.

3.1.9
low voltage AC mains port

port used to connect to the low voltage AC mains supply network to power the equipment

Note 1 to entry: Equipment with a DC power port is considered low voltage AC mains powered if it is powered from

an AC/DC power converter.
Note 2 to entry: The low voltage AC mains supply could be public or non-public
3.1.10
optical fibre port
port at which an optical fibre is connected to an equipment
3.1.11
port

physical interface of the specified equipment with the external electromagnetic environment

Note 1 to entry: See Figure 1.
Note 2 to entry: Other wired port shown in Figure 1 is referenced in Table 6.
---------------------- Page: 12 ----------------------
IEC 61000-6-8:2020 © IEC 2020 – 11 –
Figure 1 – Example of ports
3.1.12
power port
port for the connection of the equipment to its primary electrical power supply
3.1.13
professional equipment

equipment for use in trades, professions, or industries which is not intended for sale to the

general public
3.1.14
professional installation

installation and maintenance of equipment by professional(s) with sufficient knowledge to

employ EMC mitigation measures according to the installation instructions
3.1.15
public mains network

electricity lines to which all categories of consumers have access and which are operated by a

supply or distribution undertaking for the purpose of supplying electrical energy

3.1.16
residential location
area of land designated for domestic dwelling
...