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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
your local IEC member National Committee for further information.
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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
– 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
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
– 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
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