EN 61000-4-5:2014/A1:2017
(Amendment)Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test
Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test
Elektromagnetische Verträglichkeit (EMV) - Teil 4-5: Prüf- und Messverfahren - Prüfung der Störfestigkeit gegen Stoßspannungen
Compatibilité électromagnétique (CEM) - Partie 4-5: Techniques d'essai et de mesure - Essai d'immunité aux ondes de Choc
Elektromagnetna združljivost (EMC) - 4-5. del: Preskusne in merilne tehnike - Preskus odpornosti proti napetostnemu udaru - Dopolnilo A1
General Information
Relations
Overview
EN 61000-4-5:2014/A1:2017 (adopted as SIST EN 61000-4-5:2014/A1:2018) is the CLC/CENELEC amendment to the international standard IEC 61000-4-5 covering electromagnetic compatibility (EMC) surge immunity testing. The amendment (A1) clarifies operational issues encountered when performing surge immunity tests on equipment that uses DC/DC converters at the input and provides informative guidance (Annex I) and procedural flexibility to improve repeatability and avoid EUT damage.
Key topics and requirements
- Scope: Surge immunity test procedures and measurement techniques (Part 4-5 of the IEC 61000 series).
- Amendment A1 focus: Practical measures for testing EUTs with DC/DC input converters that may fail to power up through standard CDNs (coupling/decoupling networks).
- Allowed test modification: If an EUT cannot power up through the appropriate current-rated CDN, a higher current-rated CDN up to and including 125 A may be used (must meet its own specifications and be reported in the test report).
- Annex I (informative): Explains why modern DC/DC converters and switching supplies cause pulsed currents, high-frequency content, and interaction with CDN decoupling inductance - leading to voltage drops, oscillations or self-oscillation during surge testing.
- Troubleshooting/remediation guidance:
- Use dual-channel oscilloscope to observe input voltage and line current for oscillations or switching spikes.
- Consider alternative DC sources (e.g., batteries) or different laboratory DC supplies.
- Add damping networks (example resistor–diode circuit described in Annex I) in series with the CDN input to damp oscillations without altering specified surge waveform parameters.
- Use larger current-rated CDNs (lower decoupling inductance) where needed.
- Reporting: Any deviation (e.g., using a higher-rated CDN) must be documented in the test report.
Applications
- Ensures accurate and safe surge immunity testing of telecommunications equipment, servers, routers and other devices with internal DC/DC converters.
- Relevant for EMC compliance testing labs, compliance engineers, product designers and test-house technicians who perform or oversee surge tests on DC-powered equipment.
- Helps avoid false failures or damage during EMC certification caused by interactions between switching supplies and CDN decoupling inductance.
Who should use this standard
- EMC test laboratories and certification bodies
- Hardware designers and electrical engineers working on power electronics, switching power supplies and telecom/server equipment
- Compliance and regulatory engineers preparing documentation for product EMC evaluation
Related standards
- IEC 61000-4-5 (base publication) - surge immunity test
- CENELEC/CENELEC national adoptions (EN 61000-4-5) and national implementations (e.g., SIST)
Keywords: EN 61000-4-5:2014/A1:2017, surge immunity test, EMC, CDN, DC/DC converter, surge testing, electromagnetic compatibility.
Frequently Asked Questions
EN 61000-4-5:2014/A1:2017 is a amendment published by CLC. Its full title is "Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test". This standard covers: Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test
Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test
EN 61000-4-5:2014/A1:2017 is classified under the following ICS (International Classification for Standards) categories: 33.100.20 - Immunity. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 61000-4-5:2014/A1:2017 has the following relationships with other standards: It is inter standard links to EN 61000-4-5:2014. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 61000-4-5:2014/A1:2017 is associated with the following European legislation: EU Directives/Regulations: 2014/30/EU. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
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Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2018
Elektromagnetna združljivost (EMC) - 4-5. del: Preskusne in merilne tehnike -
Preskus odpornosti proti napetostnemu udaru - Dopolnilo A1
Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques -
Surge immunity test
Elektromagnetische Verträglichkeit (EMV) - Teil 4-5: Prüf- und Messverfahren - Prüfung
der Störfestigkeit gegen Stoßspannungen
Amendement 1 - Compatibilité électromagnétique (CEM) - Partie 4-5: Techniques
d'essai et de mesure Essai d'immunité aux ondes de choc
Ta slovenski standard je istoveten z: EN 61000-4-5:2014/A1:2017
ICS:
33.100.20 Imunost Immunity
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 61000-4-5:2014/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2017
ICS 33.100.20
English Version
Electromagnetic compatibility (EMC) -
Part 4-5: Testing and measurement techniques -
Surge immunity test
(IEC 61000-4-5:2014/A1:2017)
Compatibilité électromagnétique (CEM) - Elektromagnetische Verträglichkeit (EMV) -
Partie 4-5: Techniques d'essai et de mesure - Essai Teil 4-5: Prüf- und Messverfahren - Prüfung der
d'immunité aux ondes de Choc Störfestigkeit gegen Stoßspannungen
(IEC 61000-4-5:2014/A1:2017) (IEC 61000-4-5:2014/A1:2017)
This amendment A1 modifies the European Standard EN 61000-4-5:2014; it was approved by CENELEC on 2017-09-08. 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
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61000-4-5:2014/A1:2017 E
European foreword
The text of document 77B/762/CDV, future IEC 61000-4-5:2014/A1, prepared by SC 77B "High
frequency phenomena" of IEC/TC 77 "Electromagnetic compatibility" was submitted to the
IEC-CENELEC parallel vote and approved by CENELEC as EN 61000-4-5:2014/A1:2017.
The following dates are fixed:
(dop) 2018-06-08
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-09-08
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 61000-4-5:2014/A1:2017 was approved by CENELEC as a
European Standard without any modification.
IEC 61000-4-5 ®
Edition 3.0 2017-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BA SIC EMC PUBLICATION
P UBLICATION FONDAMENTALE EN CEM
AMENDMENT 1
AMENDEMENT 1
Electromagnetic compatibility (EMC) –
Part 4-5: Testing and measurement techniques – Surge immunity test
Compatibilité électromagnétique (CEM) –
Partie 4-5: Techniques d'essai et de mesure – Essai d'immunité aux ondes de
choc
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.100.20 ISBN 978-2-8322-4664-1
– 2 – IEC 61000-4-5:2014/AMD1:2017
© IEC 2017
FOREWORD
This amendment has been prepared by subcommittee 77B: High frequency phenomena, of
IEC technical committee 77: Electromagnetic compatibility.
The text of this amendment is based on the following documents:
CDV Report on voting
77B/762/CDV 77B/773/RVC
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 website 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.
_____________
Introduction to the amendment
Rationale:
The method for testing DC products in the current revision of IEC61000-4-5 is causing many
field related problems for test labs and manufacturers. Many products will not power up
through the power CDN in the standard and in some cases may be damaged by the
inductance that is necessary to apply the surge (see 77B/734/DC for further information).
The DC./DC converter problem is related to the switching of the converter which produces a
voltage drop at the decoupling inductors on one hand and oscillations produced by the EUT
impedance in combination with the source on the other hand. Measurements were performed
using different brands of CDNs with a device known to show that problem as an EUT. The
result shows different oscillations and signal forms of the voltage at the EUT for different
CDNs. According to the outcome, the use of a CDN with a higher current rating (i.e. smaller
decoupling inductivity) can solve the problem. At the meeting of SC77B/MT12 in Akishima,
Japan on August 26, 2016, it was decided to add a statement into 7.3 allowing surge tests
with higher current rated CDNs and to add a new Annex I to explain the problem in detail.
IEC 61000-4-5:2014/AMD1:2017 – 3 –
© IEC 2017
7.3 Test setup for surges applied to EUT power ports
Add, between the second and the third paragraph, the following new paragraph:
In case, where an EUT having DC/DC input converters cannot power up through the
appropriate current-rated CDN, it is permitted to use a higher current-rated CDN with ratings
up to and including 125 A, which fulfills the specificatio
...
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