EN 61558-1:2005

Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests

This International Standard deals with safety aspects of power transformers, power supplies, reactors and similar products such as electrical, thermal and mechanical safety. This standard covers the following types of dry-type transformers, power supplies, including switch mode power supplies, and reactors, the windings of which may be encapsulated or non-encapsulated It has the status of a group safety publication in accordance with IEC Guide 104.

Sicherheit von Transformatoren, Netzgeräten, Drosseln und dergleichen - Teil 1: Allgemeine Anforderungen und Prüfungen

Sécurité des transformateurs, alimentations, bobines d'inductance et produits analogues - Partie 1: Exigences générales et essais

La présente Norme internationale traite des aspects relatifs à la sécurité des transformateurs, alimentations, bobines d'inductance, et produits analogues, tels que la sécurité électrique, la sécurité thermique et la sécurité mécanique. La présente norme couvre les transformateurs secs et les alimentations ci-dessous, incluant les alimentations à découpage et bobines d'inductance, dont les enroulements peuvent être enrobés ou non enrobes Elle a le statut de publication groupée de sécurité conformément au guide CEI 104

Varnost močnostnih transformatorjev, napajalnikov, reaktorjev in podobnih izdelkov - 1. del: Splošne zahteve in preskusi (IEC 61558-1:2005) (vsebuje popravek AC:2006)

General Information

• Status: Withdrawn
• Publication Date: 24-Nov-2005
• Withdrawal Date: 24-May-2006
• ICS: 29.180 - Transformers. Reactors
• Technical Committee: CLC/SR 96 - Small power transformers, reactors, power supply units and similar products
• Drafting Committee: IEC/TC 96 - IEC_TC_96
• Parallel Committee: IEC/TC 96 - IEC_TC_96
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 21-Jun-2022
• Completion Date: 21-Jun-2022
• Directive: 2006/95/EC - Directive 2006/95/EC of the European Parliament and of the Council of 12 December 2006 on the harmonisation of the laws of Member States relating to electrical equipment designed for use within certain voltage limits (codified version)
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Directive: 73/23/EEC - Electrical equipment designed for use within certain voltage limits
• Ref Project: SIST EN 61558-1:2006 - Safety of power transformers, power supplies, reactors and similar products -- Part 1: General requirements and tests

Relations

• Replaces: EN 61558-1:1997/A1:1998 - Safety of power transformers, power supply units and similar - Part 1: General requirements and tests
• Effective Date: 28-Jan-2023
• Replaces: EN 61558-1:1997 - Safety of power transformers, power supply units and similar - Part 1: General requirements and tests
• Effective Date: 28-Jan-2023
• Replaces: EN 61558-1:1997/A11:2003 - Safety of power transformers, power supply units and similar - Part 1: General requirements and tests
• Effective Date: 28-Jan-2023
• Replaced By: EN IEC 61558-1:2019 - Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests
• Effective Date: 25-Jun-2019
• Amended By: EN 61558-1:2005/A1:2009 - Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests
• Effective Date: 28-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2006
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SIST EN 61558-1:1999
SIST EN 61558-1:1999/A1:1999
SIST EN 61558-1:1999/A11:2003
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Safety of power transformers, power supplies, reactors and similar products -- Part 1:
General requirements and tests
Sicherheit von Transformatoren, Netzgeräten, Drosseln und dergleichen -- Teil 1:
Allgemeine Anforderungen und Prüfungen
Sécurité des transformateurs, alimentations, bobines d'inductance et produits analogues
-- Partie 1: Exigences générales et essais
Ta slovenski standard je istoveten z: EN 61558-1:2005
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61558-1
NORME EUROPÉENNE
EUROPÄISCHE NORM November 2005

ICS 29.180 Supersedes EN 61558-1:1997 + A1:1998 + A11:2003
Incorporates Corrigendum August 2006

English version
Safety of power transformers, power supplies,
reactors and similar products
Part 1: General requirements and tests
(IEC 61558-1:2005)
Sécurité des transformateurs, Sicherheit von Transformatoren,
alimentations, bobines d'inductance Netzgeräten, Drosseln und dergleichen
et produits analogues Teil 1: Allgemeine Anforderungen und
Partie 1: Exigences générales et essais Prüfungen
(CEI 61558-1:2005) (IEC 61558-1:2005)

This European Standard was approved by CENELEC on 2005-10-01. 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, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

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

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

© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 61558-1:2005 E
Foreword
The text of document 96/224/FDIS, future edition 2 of IEC 61558-1, prepared by IEC TC 96, Small
power transformers, reactors, power supply units and similar products, was submitted to the
IEC-CENELEC parallel vote and was approved by CENELEC as EN 61558-1 on 2005-10-01.
This European Standard supersedes EN 61558-1:1997 + corrigendum April 2003 + A1:1998 +
A11:2003.
The changes with respect to EN 61558-1:1997 were necessitated by the introduction of new
technology and implementation of requirements from equipment committees.
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) 2006-07-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) –
This European Standard replaces EN 61558-1:1997 and its amendments. However, EN 61558-1:1997
remains valid until all the parts 2 that are used in conjunction with it have been withdrawn. No date of
withdrawal of conflicting national standards (dow) has therefore been fixed. However, when Part 1 is
used for products not covered by a part 2, EN 61558-1:1997 is not to be used after 2008-10-01.
This new edition of Part 1 is only to be used in conjunction with parts 2 based on this edition. The
parts 2 contain clauses to supplement or modify the corresponding clauses of this Part 1 in order to
provide the relevant requirements for each type of transformer.
However, individual countries may wish to consider its application, to the extent reasonable, to
transformers not mentioned in the parts 2, and to transformers designed on new principles.
NOTE Annex U contains the optional t system (marking, requirements and tests).
w
In this standard, the following print types are used:
– requirements proper: in roman type;
– test specifications: in italic type;
– explanatory matter: in smaller roman type.
In the text of the standard, the words in bold are defined in Clause 3.
Annex ZA has been added by CENELEC.
The contents of the corrigendum of August 2006 have been included in this copy.
__________
- 3 - EN 61558-1:2005
Endorsement notice
The text of the International Standard IEC 61558-1:2005 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60038 NOTE Harmonized as HD 472 S1:1989 (modified).
IEC 60051 NOTE Harmonized in EN 60051 series (not modified).
IEC 60584-1 NOTE Harmonized as EN 60584-1:1995 (not modified).
IEC 60738-1 NOTE Harmonized as EN 60738-1:1999 (not modified).
IEC 60998-1 NOTE Harmonized as EN 60998-1:2004 (modified).
IEC 61000-3-2 NOTE Harmonized as EN 61000-3-2:2000 (modified).
IEC 61000-3-3 NOTE Harmonized as EN 61000-3-3:1995 (not modified).
IEC 62041 NOTE Harmonized as EN 62041:2003 (not modified).
CISPR 14 NOTE Harmonized in EN 55014 series (not modified).
__________
Annex ZA
(normative)
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 Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 60065 2001 Audio, video and similar electronic EN 60065 2002
(mod) apparatus - Safety requirements

1)
IEC 60068-2-2 1974 Basic environmental testing procedures EN 60068-2-2 1993
Part 2: Tests - Tests B: Dry heat

2) 3)
IEC 60068-2-6 - Part 2: Tests - Test Fc: Vibration EN 60068-2-6 1995
(sinusoidal)
2) 3)
IEC 60068-2-32 - Part 2: Tests - Test Ed: Free fall (Procedure EN 60068-2-32 1993
1)
2) 3)
IEC 60068-2-75 - Part 2-75: Tests - Test Eh: Hammer tests EN 60068-2-75 1997

2) 3)
IEC 60076-1 - Power transformers EN 60076-1 1997
(mod) Part 1: General + A11 1997
+ A12 2002
2)
IEC/TR 60083 - Plugs and socket-outlets for domestic and - -
similar general use standardized in member
countries of IEC
4)
IEC 60085 1984 Thermal evaluation and classification of HD 566 S1 1990
electrical insulation
IEC 60112 2003 Method for the determination of the proof EN 60112 2003
and the comparative tracking indices of solid
insulating materials
2) 3)
IEC 60127-3 - Miniature fuses EN 60127-3 1996
Part 3: Sub-miniature fuse-links + corr. June 1996

IEC 60216 Series Electrical insulating materials - Thermal EN 60216 Series
endurance properties
1)
EN 60068-2-2:1993 includes supplement A:1976 to IEC 60068-2-2:1974.
2)
Undated reference.
3)
Valid edition at date of issue.
4)
HD 566 S1 is superseded by EN 60085:2004, which is based on IEC 60085:2004.

- 5 - EN 61558-1:2005
Publication Year Title EN/HD Year
5)
IEC 60227 Series Polyvinyl chloride insulated cables of rated - -
voltages up to and including 450/750 V

6)
IEC 60245 Series Rubber insulated cables - Rated voltages up - -
to and including 450/750 V
IEC 60269 Series Low-voltage fuses EN/HD 60269 series
(mod)
2) 3)
IEC 60269-2 - Part 2: Supplementary requirements for EN 60269-2 1995
fuses for use by authorized persons (fuses
mainly for industrial application)

2) 3)
IEC 60269-2-1 - Part 2-1: Supplementary requirements for HD 60269-2-1 2005
(mod) fuses for use by authorized persons (fuses
mainly for industrial application) Sections I
to VI: Examples of types of standardized
fuses
2) 3)
IEC 60269-3 - Part 3: Supplementary requirements for EN 60269-3 1995
fuses for use by unskilled persons (fuses
mainly for household and similar
applications)
2) 3)
IEC 60269-3-1 - Part 3-1: Supplementary requirements for HD 60269-3-1 2004
(mod) fuses for use by unskilled persons (fuses
mainly for household and similar
applications)
Sections I to IV: Examples of types of
standardized fuses
IEC 60309 Series Plugs, socket-outlets and couplers for EN 60309 Series
industrial purposes
IEC 60317 Series Specifications for particular types of winding EN 60317 Series
wires
IEC 60320 Series Appliance couplers for household and EN 60320 Series
similar general purposes
2) 3)
IEC 60320-2-3 - Part 2-3: Appliance coupler with a degree of EN 60320-2-3 1998
protection higher than IPX0
2) 3)
IEC 60384-14 - Fixed capacitors for use in electronic EN 60384-14 2005
equipment
Part 14: Sectional specification - Fixed
capacitors for electromagnetic interference
suppression and connection to the supply
mains
IEC 60417 data- Graphical symbols for use on equipment - -
base
5)
The HD 21 series, which is related to, but not directly equivalent with the IEC 60227 series, applies instead.
6)
The HD 22 series, which is related to, but not directly equivalent with the IEC 60245 series, applies instead.

Publication Year Title EN/HD Year
7)
IEC 60449 1973 Voltage bands for electrical installations of HD 193 S2 1982
buildings
IEC 60454 Series Specifications for pressure-sensitive EN 60454 Series
adhesive tapes for electrical purposes

IEC 60529 1989 Degrees of protection provided by EN 60529 1991
enclosures (IP Code) + corr. May 1993

8)
IEC 60664-1 1992 Insulation coordination for equipment within EN 60664-1 2003
low-voltage systems
Part 1: Principles, requirements and tests

IEC 60664-3 2003 Part 3: Use of coating, potting or moulding EN 60664-3 2003
for protection against pollution

IEC 60691 2002 Thermal-links - Requirements and EN 60691 2003
application guide
2) 3)
IEC 60695-2-10 - Fire hazard testing EN 60695-2-10 2001
Part 2-10: Glowing/hot-wire based test
methods - Glow-wire apparatus and
common test procedure
IEC 60695-2-11 2000 Part 2-11: Glowing/hot-wire based test EN 60695-2-11 2001
methods - Glow-wire flammability test
method for end-products
2) 3)
IEC 60695-10-2 - Part 10-2: Abnormal heat - Ball pressure test EN 60695-10-2 2003

IEC 60730 Series Automatic electrical controls for household EN 60730 Series
(mod) and similar use
IEC 60730-1 1999 Automatic electrical controls for household EN 60730-1 2000
(mod) and similar use + A12 2003
Part 1: General requirements + A13 2004
+ A14 2005
IEC 60851-3 1996 Winding wires - Test methods EN 60851-3 1996
Part 3: Mechanical properties
IEC 60851-5 1996 Part 5: Electrical properties EN 60851-5 1996

IEC 60851-6 1996 Part 6: Thermal properties EN 60851-6 1996

IEC 60884-1 2002 Plugs and socket-outlets for household and - -
similar purposes
Part 1: General requirements
2)
IEC 60884-2-4 - Part 2-4: Particular requirements for plugs - -
and socket-outlets for SELV
7)
HD 193 S2 includes A1:1979 to IEC 60449:1973.
8)
EN 60664-1:2003 includes A1:2000 + A2:2002 to IEC 60664-1:1992.

- 7 - EN 61558-1:2005
Publication Year Title EN/HD Year
IEC 60898 Series Electrical accessories - Circuit-breakers for EN 60898 Series
(mod) overcurrent protection for household and
similar installations
2)
IEC 60906-1 - IEC System of plugs and socket-outlets for - -
household and similar purposes
Part 1: Plugs and socket-outlets 16 A 250 V
a.c.
2)
IEC 60906-3 - Part 3: SELV plugs and socket-outlets, 16 A - -
6V, 12 V, 24 V, 48 V, a.c. and d.c.

2) 3)
IEC 60947-7-1 - Low-voltage switchgear and controlgear EN 60947-7-1 2002
Part 7-1: Ancillary equipment - Terminal
blocks for copper conductors
9)
IEC 60990 1990 Methods of measurement of touch-current - -
and protective conductor current

2) 3)
IEC 60998-2-1 - Connecting devices for low-voltage circuits EN 60998-2-1 2004
(mod) for household and similar purposes
Part 2-1: Particular requirements for
connecting devices as separate entities with
screw-type clamping units
2) 3)
IEC 60998-2-2 - Part 2-2: Particular requirements for EN 60998-2-2 2004
(mod) connecting devices as separate entities with
screwless-type clamping units
2) 3)
IEC 60999-1 - Connecting devices - Electrical copper EN 60999-1 2000
conductors - Safety requirements for screw-
type and screwless-type clamping units
Part 1: General requirements and particular
requirements for clamping units for
conductors from 0,2 mm² up to 35 m²
(included)
IEC 61032 1997 Protection of persons and equipment by EN 61032 1998
enclosures - Probes for verification

10)
IEC 61058-1 2000 Switches for appliances EN 61058-1 2002
(mod) Part 1: General requirements

2) 3)
IEC 61140 - Protection against electric shock - Common EN 61140 2002
aspects for installation and equipment

ISO 4046-4 2002 Paper, board, pulps and related terms - - -
Vocabulary
Part 4: Paper and board grades and
converted products
ISO 8820 Series Road vehicles – Fuse links - -

9)
IEC 60990:1990 is superseded by IEC 60990:1999, which is harmonized as EN 6
...