Static transfer systems (STS) - Part 2: Electromagnetic compatibility (EMC) requirements

applies to free standing operation a.c. static transfer systems (STS) intended to ensure the continuity of load supply through controlled transfer, with or without interruption of power, from two or more independent a.c. sources.includes requirements for the switching elements, their control and protective elements, where applicable. The IEC 62310 series also includes information for the overall integration of the STS and its accessories into the a.c. power network. it applies to systems up to 1 000 V a.c. which are intended to be used in single-phase, phase-phase or three-phase applications

Statische Transfersysteme (STS) - Teil 2: Anforderungen an die elektromagnetische Verträglichkeit (EMV)

Systèmes de transfert statique (STS) - Partie 2: Exigences pour la compatibilité électromagnétique (CEM)

s'applique aux systèmes de transfert statique (STS) à courant alternatif autonomes destinés à assurer la continuité de l'alimentation d'une charge par un transfert contrôlé, avec ou sans coupure, à partir d'au moins deux sources indépendantes à courant alternatif.contient des exigences concernant les éléments de commutation et leur commande ainsi que les éléments de protection, le cas échéant. La série CEI 62310 contient également des informations relatives à l'intégration globale d'un STS et de ses accessoires dans un réseau d'énergie électrique en courant alternatif.s'applique aux réseaux jusqu'à 1 000 V en courant alternatif qui sont destinés à être utilisés dans des applications monophasées, biphasées ou triphasées.

Statični prenosni sistemi (STS) - 2. del: Zahteve za elektromagnetno združljivost (EMC) (IEC 62310-2:2006, spremenjen)

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Static transfer systems (STS) - Part 2: Electromagnetic compatibility (EMC) requirements
(IEC 62310-2:2006, modified)
Statische Transfersysteme (STS) - Teil 2: Anforderungen an die elektromagnetische
Verträglichkeit (EMV) (IEC 62310-2:2006, modifiziert)
Systemes de transfert statique (STS) - Partie 2: Exigences pour la compatibilité
électromagnétique (CEM) (IEC 62310-2:2006, modifiée)
Ta slovenski standard je istoveten z: EN 62310-2:2007
29.200 8VPHUQLNL3UHWYRUQLNL Rectifiers. Convertors.
6WDELOL]LUDQRHOHNWULþQR Stabilized power supply
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 62310-2
February 2007
ICS 29.200; 33.100
English version
Static transfer systems (STS) -
Part 2: Electromagnetic compatibility (EMC) requirements
(IEC 62310-2:2006, modified)
Systèmes de transfert statique (STS) -  Statische Transfersysteme (STS) -
Partie 2: Exigences pour Teil 2: Anforderungen an die
la compatibilité électromagnétique (CEM) elektromagnetische Verträglichkeit (EMV)
(CEI 62310-2:2006, modifiée) (IEC 62310-2:2006, modifiziert)

This European Standard was approved by CENELEC on 2006-09-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
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 Central Secretariat or to any CENELEC member.

This European Standard 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2007 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62310-2:2007 E
The text of document 22H/81/FDIS, future edition 1 of IEC 62310-2, prepared by SC 22H,
Uninterruptible power systems (UPS), of IEC TC 22, Power electronic systems and equipment, was
submitted to the IEC-CENELEC parallel vote.
A draft amendment, prepared by the Technical Committee CENELEC TC 22X, Power electronics, was
submitted to the formal vote.
The combined texts were approved by CENELEC as EN 62310-2 on 2006-09-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2007-09-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-09-01
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directive 89/336/EEC. See Annex ZZ.
Annexes ZA and ZZ have been added by CENELEC.
Endorsement notice
The text of the International Standard IEC 62310-2:2006 was approved by CENELEC as a European
Standard with agreed common modifications as given below.
1 Scope
Add the following paragraph after the 3 paragraph:
This part of IEC 62310 is intended as a product standard allowing the EMC conformity assessment of
products of categories C1, C2 and C3 as defined in Clause 4, before placing them on the market.
Equipment of category C4 is treated as a fixed installation. Checking is generally done after
installation in its final place of use. Sometimes partial checking may be done before. See Annex E.
Add the following notes for:
– IEC 60947-6-1
NOTE  Harmonized as EN 60947-6-1:2005 (not modified).
– IEC 62040
NOTE  Harmonized in EN 62040 series (not modified).
- 3 - EN 62310-2:2007
Annex ZA
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
Publication Year Title EN/HD Year

IEC 60050-161 – International Electrotechnical Vocabulary - -
(IEV) - Chapter 161: Electromagnetic
IEC 61000-2-2 2002 Electromagnetic compatibility (EMC) EN 61000-2-2 2002
Part 2-2: Environment - Compatibility levels
for low-frequency conducted disturbances
and signalling in public low-voltage power
supply systems
IEC 61000-3-2 2000 Electromagnetic compatibility (EMC) EN 61000-3-2 2000
(mod) Part 3-2: Limits - Limits for harmonic current
A1 2001 emissions (equipment input current up to

+ A2 2004 and including 16 A per phase) A2 2005

IEC 61000-4-1 2000 Electromagnetic compatibility (EMC) EN 61000-4-1 2000
Part 4-1: Testing and measurement
techniques - Overview of IEC 61000-4
IEC 61000-4-2 1995 Electromagnetic compatibility (EMC) EN 61000-4-2 1995
A1 1998 Part 4-2: Testing and measurement A1 1998
A2 2000 techniques - Electrostatic discharge A2 2001
immunity test
IEC 61000-4-3 2002 Electromagnetic compatibility (EMC) EN 61000-4-3 2002

A1 2002 Part 4-3: Testing and measurement A1 2002
techniques - Radiated, radio-frequency,
electromagnetic field immunity test

IEC 61000-4-4 2004 Electromagnetic compatibility (EMC) EN 61000-4-4 2004
Part 4-4: Testing and measurement
techniques - Electrical fast transient/burst
immunity test
IEC 61000-4-5 1995 Electromagnetic compatibility (EMC) EN 61000-4-5 1995
A1 2000 Part 4-5: Testing and measurement A1 2001
techniques - Surge immunity test

Undated reference.
EN 61000-3-2 is superseded by EN 61000-3-2:2006, which is based on IEC 61000-3-2:2005.
EN 61000-4-3 is superseded by EN 61000-4-3:2006, which is based on IEC 61000-4-3:2006.
EN 61000-4-5 is superseded by EN 61000-4-5:2006, which is based on IEC 61000-4-5:2005.

Publication Year Title EN/HD Year
IEC 61000-4-6 2003 Electromagnetic compatibility (EMC) – –
A1 2004 Part 4-6: Testing and measurement
techniques - Immunity to conducted
disturbances, induced by radio-frequency
IEC 61000-4-8 1993 Electromagnetic compatibility (EMC) EN 61000-4-8 1993
A1 2000 Part 4-8: Testing and measurement A1 2001
techniques - Power frequency magnetic field
immunity test
IEC 62310-1 2005 Static transfer systems (STS) EN 62310-1 2005
Part 1: General and safety requirements

CISPR 16-1-1 2003 Specification for radio disturbance and EN 55016-1-1 2004
immunity measuring apparatus and methods
Part 1-1: Radio disturbance and immunity
measuring apparatus - Measuring apparatus

1) 5)
CISPR 16-1-2 – Specification for radio disturbance and EN 55016-1-2 2004
immunity measuring apparatus and methods + A1 2005
Part 1-2: Radio disturbance and immunity
measuring apparatus - Ancillary equipment -
Conducted disturbances
1) 5)
CISPR 16-1-5 – Specification for radio disturbance and EN 55016-1-5 2004
immunity measuring apparatus and methods
Part 1-5: Radio disturbance and immunity
measuring apparatus - Antenna calibration
test sites for 30 MHz to 1 000 MHz

CISPR 22 2005 Information technology equipment - Radio EN 55022 2006
(mod) disturbance characteristics - Limits and
methods of measurement
Valid edition at date of issue.

- 5 - EN 62310-2:2007
Annex ZZ
Coverage of Essential Requirements of EC Directives
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers all
relevant essential requirements as given in Article 4 of the EC Directive 89/336/EEC.
Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling
within the scope of this standard.
Première édition
First edition
Systèmes de transfert statique (STS) –
Partie 2:
Exigences pour la compatibilité
électromagnétique (CEM)
Static transfer systems (STS) –
Part 2:
Electromagnetic compatibility (EMC)
 IEC 2006 Droits de reproduction réservés  Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in any
utilisée sous quelque forme que ce soit et par aucun procédé, form or by any means, electronic or mechanical, including
électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: Web:
Commission Electrotechnique Internationale
International Electrotechnical Commission
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For price, see current catalogue

62310-2  IEC:2006 – 3 –

1 Scope.11
2 Normative references .13
3 Terms and definitions .15
3.1 General definitions .15
3.2 Circuit characteristics – Specified values.15
3.3 EMC definitions .19
3.4 Environments .19
4 STS categories.19
4.1 STS of category C1 .19
4.2 STS of category 2 .19
4.3 STS of category C3 .21
4.4 STS of category C4 .21
4.5 Categories and environment.21
5 Emission .23
5.1 General requirements.23
5.2 General measurement conditions .23
5.3 Conducted emissions .25
5.4 Radiated emissions .27
6 Immunity .27
6.1 General requirements and performance criteria .27
6.2 Basic immunity requirements – high-frequency disturbances .29
6.3 Immunity to low-frequency signals.35
6.4 Immunity to power frequency magnetic field .35
6.5 Immunity to voltage dips, short interruptions and voltage variations.35

Annex A (normative) Electromagnetic emission – Test methods.37
Annex B (informative) Electromagnetic emission limits of magnetic field – H field .59
Annex C (informative) Electromagnetic emission – Limits of signal ports .63
Annex D (normative) Electromagnetic immunity – Test methods .65
Annex E (informative) User installation testing (in situ testing).69


Figure 1 – Examples of ports .

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