EN 60947-2:2006/A1:2009

SLOVENSKI STANDARD
01-oktober-2009
Nizkonapetostne stikalne naprave - 2. del: Odklopniki (IEC 60947-2:2006/A1:2009)
Low-voltage switchgear and controlgear - Part 2: Circuit-breakers (IEC 60947-
2:2006/A1:2009)
Niederspannungsschaltgeräte - Teil 2: Leistungsschalter (IEC 60947-2:2006/A1:2009)
Appareillage à basse tension - Partie 2: Disjoncteurs (CEI 60947-2:2006/A1:2009)
Ta slovenski standard je istoveten z: EN 60947-2:2006/A1:2009
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 60947-2/A1
NORME EUROPÉENNE
July 2009
EUROPÄISCHE NORM
ICS 29.130.20
English version
Low-voltage switchgear and controlgear -
Part 2: Circuit-breakers
(IEC 60947-2:2006/A1:2009)
Appareillage à basse tension -  Niederspannungsschaltgeräte -
Partie 2: Disjoncteurs Teil 2: Leistungsschalter
(CEI 60947-2:2006/A1:2009) (IEC 60947-2:2006/A1:2009)

This amendment A1 modifies the European Standard EN 60947-2:2006; it was approved by CENELEC on
2009-07-01. 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 Central Secretariat 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
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.

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

Central Secretariat: Avenue Marnix 17, B - 1000 Brussels

© 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60947-2:2006/A1:2009 E

Foreword
The text of document 17B/1636/FDIS, future amendment 1 to IEC 60947-2:2006, prepared by SC 17B,
Low-voltage switchgear and controlgear, of IEC TC 17, Switchgear and controlgear, was submitted to the
IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60947-2:2006 on
2009-07-01.
The following dates were fixed:
– latest date by which the amendment has to be
implemented at national level by publication of
an identical national standard or by endorsement (dop) 2010-04-01
– latest date by which the national standards conflicting
with the amendment have to be withdrawn (dow) 2012-07-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of amendment 1:2009 to the International Standard IEC 60947-2:2006 was approved by
CENELEC as an amendment to the European Standard without any modification.
__________
– 3 – EN 60947-2:2006/A1:2009
Replace Annex ZA of EN 60947-2:2006 by:
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  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60050-441 1984 International Electrotechnical Vocabulary - -
A1 2000 (IEV) -
Chapter 441: Switchgear, controlgear and
fuses
IEC 60051 Series Direct acting indicating analogue electrical EN 60051-1 Series
measuring instruments and their
accessories
IEC 60068-2-14 1984 Environmental testing -

+ A1 1986 Part 2: Tests - Test N: Change of EN 60068-2-14 1999
temperature
IEC 60068-2-30 2005 Environmental testing - EN 60068-2-30 2005
Part 2-30: Tests - Test Db: Damp heat, cyclic
(12 h + 12 h cycle)
IEC 60364 (mod) Series Low-voltage electrical installations EN/HD 60364 Series

IEC 60417 Data- Graphical symbols for use on equipment - -
base
IEC 60617 Data- Graphical symbols for diagrams - -
base
IEC 60695-2-10 2000 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 Fire hazard testing - EN 60695-2-11 2001
Part 2-11: Glowing/hot-wire based test
methods - Glow-wire flammability test method
for end-products
IEC 60695-2-12 2000 Fire hazard testing - EN 60695-2-12 2001
Part 2-12: Glowing/hot-wire based test
methods - Glow-wire flammability test method
for materials
IEC 60695-2-13 2000 Fire hazard testing - EN 60695-2-13 2001
Part 2-13: Glowing/hot-wire based test
methods - Glow-wire ignitability test method
for materials
IEC/TR 60755 1983 General requirements for residual current - -
A1 1988 operated protective devices
A2 1992
Publication Year Title EN/HD Year

IEC 60898 (mod) Series Electrical accessories - Circuit breakers for EN 60898 Series
overcurrent protection for household and
similar installations
1) 2)
IEC 60934 - Circuit-breakers for equipment (CBE) EN 60934 2001

IEC 60947-1 2007 Low-voltage switchgear and controlgear - EN 60947-1 2007
Part 1: General rules
IEC 60947-4-1 2000 Low-voltage switchgear and controlgear - EN 60947-4-1 2001
A1 2002 Part 4-1: Contactors and motor-starters - A1 2002
A2 2005 Electromechanical contactors and motor- A2 2005
starters
IEC 61000-3-2 2005 Electromagnetic compatibility (EMC) - EN 61000-3-2 2006
Part 3-2: Limits - Limits for harmonic current
emissions (equipment input current ≤ 16 A per
phase)
IEC 61000-3-3 1994 Electromagnetic compatibility (EMC) - EN 61000-3-3 1995
Part 3-3: Limits - Limitation of voltage + corr. July 1997
A1 2001 changes, voltage fluctuations and flicker in A1 2001
A2 2005 public low-voltage supply systems, for A2 2005
equipment with rated current ≤ 16 A per phase
and not subject to conditional connection

3)
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 immunity A2 2001
test
IEC 61000-4-3 2006 Electromagnetic compatibility (EMC) - EN 61000-4-3 2006
Part 4-3: Testing and measurement
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 2005 Electromagnetic compatibility (EMC) - EN 61000-4-5 2006
Part 4-5: Testing and measurement
techniques - Surge immunity test

IEC 61000-4-6 2003 Electromagnetic compatibility (EMC) -
+ A1 2004 Part 4-6: Testing and measurement

+ A2 2006 techniques - Immunity to conducted EN 61000-4-6 2007
disturbances, induced by radio-frequency
fields
IEC 61000-4-11 2004 Electromagnetic compatibility (EMC) - EN 61000-4-11 2004
Part 4-11: Testing and measurement
techniques - Voltage dips, short interruptions
and voltage variations immunity tests

IEC 61000-4-13 2002 Electromagnetic compatibility (EMC) - EN 61000-4-13 2002
Part 4-13: Testing and measurement
techniques - Harmonics and interharmonics
including mains signalling at a.c. power port,
low frequency immunity tests
1)
Undated reference.
2)
Valid edition at date of issue.
3)
EN 61000-4-2 + A1 + A2 are superseded by EN 61000-4-2:2009, which is based on IEC 61000-4-2:2008.

– 5 – EN 60947-2:2006/A1:2009
Publication Year Title EN/HD Year

IEC/TR 61000-5-2 1997 Electromagnetic compatibility (EMC) - - -
Part 5: Installation and mitigation guidelines -
Section 2: Earthing and cabling

IEC 61008-1 (mod) 1996 Residual current operated circuit-breakers
+ A1 (mod) 2002 without integral overcurrent protection for
4)
A2 2006 household and similar uses (RCCB's) - EN 61008-1 2004
Part 1: General rules + IS1 2007
+ A11 2007
+ A12 2009
IEC 61009-1 (mod) 1996 Residual current operated circuit-breakers
+ A1 (mod) 2002 with integral overcurrent protection for
+ corr. May 2003 household and similar uses (RCBO's) -
5)
A2 2006 Part 1: General rules EN 61009-1 2004
+ corr. July 2006
+ A11 2008
+ A12 2009
+ A13 2009
IEC 61131-1 2003 Programmable controllers - EN 61131-1 2003
Part 1: General information
CISPR 11 (mod) 2003 Industrial scientific and medical (ISM) radio-
+ A1 (mod) 2004 frequency equipment - Electromagnetic EN 55011 2007
A2 2006 disturbance characteristics - Limits and A2 2007
methods of measurement
CISPR 22 (mod) 2005 Information technology equipment - Radio EN 55022 2006
A1 2005 disturbance characteristics - Limits and A1 2007
A2 2006 methods of measurement

4)
The technical content of IEC/A2:2006 is included in EN 61008-1:2004.
5)
The technical content of IEC/A2:2006 is included in EN 61009-1:2004.

IEC 60947-2 ®
Edition 4.0 2009-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Low-voltage switchgear and controlgear –
Part 2: Circuit-breakers
Appareillage à basse tension –
Partie 2: Disjoncteurs
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
U
CODE PRIX
ICS 29.130.20 ISBN 2-8318-1025-3
– 2 – 60947-2 Amend. 1 © IEC:2009
FOREWORD
This amendment has been prepared by subcommittee 17B: Low-voltage switchgear and
controlgear, of IEC technical committee 17: Switchgear and controlgear.
The text of this amendment is based on the following documents:
FDIS Report on voting
17B/1636/FDIS 17B/1651/RVD
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 maintenance result date indicated on the IEC web site 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.
_______________
Replace in the whole document "Utilization category" by "Selectivity category" except in
Annex L.
CONTENTS
Add the following:
8.5 Special tests – Damp heat, salt mist, vibration and shock
Insert the following:
Figure K.2 – Template for characteristics of cut-off current versus prospective current from
1 kA to 200 kA
Figure K.3 – Template for characteristics of cut-off current versus prospective current from
0,01 kA to 200 kA
Figure K.4 – Template for characteristics of let-through energy versus prospective current
from 1 kA to 200 kA
Figure K.5 – Template for characteristics of let-through energy versus prospective current
from 0,01 kA to 200 kA
60947-2 Amend. 1 © IEC:2009 – 3 –
Figure K.6 – Example of the use of template K.2
Figure K.7 – Example of the use of template K.4
Insert the following:
Table 9b – Applicability of tests or test sequences to four-pole circuit-breakers in a
given frame size and design when tested according to the alternative programme 1 of 8.3.1.4
Table 9c – Applicability of tests or test sequences to 3-pole circuit-breakers in a
given frame size and design when tested according to the alternative programme 2 of 8.3.1.4

1.2 Normative references
Delete the reference to IEC 60364-4-41:2001.
Add the following reference:
IEC 60417, Graphical symbols for use on equipment
IEC 60617, Graphical symbols for diagrams
Replace “IEC 60755:1983” by “IEC/TR 60755:1983”.
Replace the reference to IEC 60947-1:2004 by the following:
IEC 60947-1:2007, Low-voltage switchgear and controlgear – Part 1: General rules
Add, after IEC 60947-4-1:2000, the following reference:
Amendment 2 (2005)
Replace the reference to IEC 61000-3-2:2000 by the following:
IEC 61000-3-2:2005, Electromagnetic compatibility (EMC) – Part 3-2: Limits – Limits for
harmonic current emissions (equipment input current ≤ 16 A per phase)
Add, after IEC 61000-3-3:1994, the following reference:
Amendment 2 (2005)
Replace the reference to IEC 61000-4-3:2002 by the following:

– 4 – 60947-2 Amend. 1 © IEC:2009
IEC 61000-4-3:2006, Electromagnetic compatibility (EMC) – Part 4-3: Testing and
measurement techniques – Radiated, radio-frequency, electromagnetic field immunity test
Replace the reference to IEC 61000-4-4:1995 by the following:
IEC 61000-4-4:2004, Electromagnetic compatibility (EMC) – Part 4-4: Testing and
measurement techniques – Electrical fast transient/burst immunity test
Replace the reference to IEC 61000-4-5:1995 by the following:
IEC 61000-4-5:2005, Electromagnetic compatibility (EMC) – Part 4-5: Testing and
measurement techniques – Surge immunit
...