EN 61140:2002/A1:2006

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EUROPEAN STANDARD
EN 61140/A1
NORME EUROPÉENNE
August 2006
EUROPÄISCHE NORM
ICS 13.260; 29.020; 91.140.50
English version
Protection against electric shock -
Common aspects for installation and equipment
(IEC 61140:2001/A1:2004, modified)

Protection contre les chocs électriques - Schutz gegen elektrischen Schlag -
Aspects communs aux installations Gemeinsame Anforderungen für
et aux matériels Anlagen und Betriebsmittel
(CEI 61140:2001/A1:2004, modifiée) (IEC 61140:2001/A1:2004, modifiziert)

This amendment A1 modifies the European Standard EN 61140:2002; it was approved by CENELEC on
2006-05-01. 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, 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: rue de Stassart 35, B - 1050 Brussels

© 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61140:2002/A1:2006 E

Foreword
The text of amendment 1:2004 to the International Standard IEC 61140:2001, prepared by
IEC TC 64, Electrical installations and protection against electric shock, together with the common
modifications prepared by the Technical Committee CENELEC TC 64, Electrical installations and
protection against electric shock, was submitted to the formal vote and was approved by CENELEC
as amendment A1 to EN 61140:2002 on 2006-05-01.
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) 2007-05-01

– latest date by which the national standards conflicting
with the amendment have to be withdrawn (dow) 2009-05-01
In this document the common modifications to the International Standard are indicated by a vertical
line in the left margin of the text.
__________
- 3 - EN 61140:2002/A1:2006
1 Scope
Add the following NOTE:
NOTE Z1 Requirements of this standard may be used by technical committees as a basis for their publications.
2 Normative references
Insert the following two new references:
IEC 60038:1983 + A1:1994 + A2:1997, IEC standard voltages
EN 62271-102:2002 + corr. March 2005, High-voltage switchgear and controlgear – Part 102:
Alternating current disconnectors and earthing switches (IEC 62271-102:2001 + corr. April 2002 +
corr. May 2003)
3 Definitions
Add the following two new definitions:
3.41
isolation
function intended to make dead for reasons of safety all or a discrete section of the electrical
installation by separating the electrical installation or section from every source of electric energy
[IEV 826-17-01]
3.42
impulse withstand voltage
highest peak value of impulse voltage of prescribed form and polarity which does not cause
breakdown of insulation under specified conditions
8 Special operating and servicing conditions
Add, after 8.2, the following new subclause:
8.3 Devices for isolation
8.3.1 General
Devices suitable for isolation shall effectively isolate the circuit concerned from all live supply
conductors.
NOTE 1 With regard to low voltage, see also 8.3.2.
The position of the contacts or other means of isolation shall, in the isolated position, be either
externally visible or clearly and reliably indicated.
NOTE 2 The indication may be achieved by suitable marking to indicate the isolated and closed positions respectively.
Devices suitable for isolation shall be designed and/or erected to prevent unintentional or
unauthorized operation.
NOTE 3 Such operation might be caused for example by shocks and vibrations.
8.3.2 Devices for isolation for low voltage
D
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