Amendment 1 - Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution

The contents of the corrigendum of November 2010 have been included in this copy.

Amendement 1 - Coordination de l'isolement des matériels dans les systèmes (réseaux) à basse tension - Partie 3: Utilisation de revêtement, d'empotage ou de moulage pour la protection contre la pollution

Le contenu du corrigendum de novembre 2010 a été pris en considération dans cet exemplaire.

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Status
Published
Publication Date
18-May-2010
Current Stage
DELPUB - Deleted Publication
Completion Date
04-Nov-2016
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IEC 60664-3:2003/AMD1:2010 - Amendment 1 - Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution Released:5/19/2010
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IEC 60664-3 ®
Edition 2.0 2010-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ
AMENDMENT 1
AMENDEMENT 1
Insulation coordination for equipment within low-voltage systems –
Part 3: Use of coating, potting or moulding for protection against pollution

Coordination de l'isolement des matériels dans les systèmes (réseaux) à basse
tension –
Partie 3: Utilisation de revêtement, d'empotage ou de moulage pour la protection
contre la pollution
IEC 60664-3:2003/A1:2010
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IEC 60664-3 ®
Edition 2.0 2010-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ
AMENDMENT 1
AMENDEMENT 1
Insulation coordination for equipment within low-voltage systems –
Part 3: Use of coating, potting or moulding for protection against pollution

Coordination de l'isolement des matériels dans les systèmes (réseaux) à basse
tension –
Partie 3: Utilisation de revêtement, d'empotage ou de moulage pour la
protection contre la pollution

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
F
CODE PRIX
ICS 29.080.30 ISBN 978-2-88910-940-1
– 2 – 60664-3 Amend.1 Ó IEC:2010
FOREWORD
This amendment has been prepared by IEC technical committee 109: Insulation coordination
for low-voltage equipment.
The text of this amendment is based on the following documents:
FDIS Report on voting
109/79/FDIS 109/81/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 stability 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.
The contents of the corrigendum of November 2010 have been included in this copy.
_____________
2 Normative references
Replace the existing text by the following:
IEC 60068-2-1:2007, Environmental testing – Part 2-1: Tests – Test A: Cold
IEC 60068-2-2:2007, Environmental testing – Part 2-2: Tests – Test B: Dry heat
IEC 60068-2-14:2009, Environmental testing – Part 2-14: Tests – Test N: Change of
temperature
IEC 60068-2-78:2001, Environmental testing – Part 2-78: Tests – Test Cab: Damp heat,
steady state
IEC 60326-2:1990, Printed boards – Part 2: Test methods
Amendment 1 (1992)
IEC 60454-3-1:1998, Pressure-sensitive adhesive tapes for electrical purposes –
Part 3: Specifications for individual materials – Sheet 1: PVC film tapes with pressure-
sensitive adhesive
Amendment 1 (2001)
IEC 60664-1:2007, Insulation coordination for equipment within low-voltage systems –
Part 1: Principles, requirements and tests

60664-3 Amend.1 Ó IEC:2010 – 3 –
IEC 60664-5:2007, Insulation coordination for equipment within low-voltage systems –
Part 5: Comprehensive method for determining clearances and creepage distances equal to
or less than 2 mm
IEC 61189-2:2006, Test methods for electrical materials, printed boards and other
interconnection structures and assemblies – Part 2:Test methods for materials for
interconnection structures
IEC 61189-3:2007, Test methods for electrical materials, printed boards and other
interconnection structures and assemblies – Part 3: Test methods for interconnection
structures (printed boards)
IEC 61249-2 (all Parts 2) Materials for printed boards and other interconnecting structures –
Reinforced base materials, clad and unclad
IEC Guide 104:2004, The preparation of safety publications and the use of basic safety
publications and group safety publications
4.2 Application range regarding environment
Replace, in the second paragraph, "3.3.2.3 …" by "5.3.2.4 …"
4.4 Dimensioning procedures
Replace in the first paragraph, "3.1 and 3.2 ." by "5.1 and 5.2 …"
At the end of the second paragraph add the following sentence:
These values may also be applied to functional insulation.
5.1 General
Add the following note after the first paragraph:
NOTE The suitability of protection is evaluated after the scratch resistance test described in 5.5, the visual
examination described in 5.6 and the subsequent conditioning described in 5.7.
5.5 Scratch resistance test
Replace the first paragraph by the following:
NOTE In some cases, scratch resistance test cannot be applied to assemblies protected against pollution by the
use of potting or moulding. In such cases, considerations for any alternatively or additional tests may be necessary
Scratches shall be made across five pairs of conducting parts and the intervening separations
at points where the insulation will be subject to the maximum electric field strength between
conductors.
5.6 Visual examination
Replace the first paragraph by the following:
The specimens shall be visually examined according to test 3V02 in 6.2 of IEC 61189-3:2007.

– 4 – 60664-3 Amend.1 Ó IEC:2010
5.7.2 Dry heat
Replace the footnote in Table 2 by the following:
a)
For defined flammability, refer to 8.6 of IEC 61189-2:2006 and the relevant part 2 of IEC 61249.
5.8.3 Insulation resistance between conductors
Replace the first paragraph by the following:
The test shall be carried out according to 10.3 of IEC 61189-3:2007, the voltage specified for
test method 3E03 being as close to the working voltage as possible.
5.8.4 AC withstand voltage test
Replace, in the first line “4.1.2.3 …” by “6.1.3.4 …”.
Replace in the second line “3.3.3.2.2 … ” by “5.3.3.2.3 . ”.
Replace in the third line “Table 1 .” by “Table F.1 .".
5.8.5 Partial discharge extinction voltage
Replace, in the first paragraph, in both the second and fourth line “4.1.2.4 .” by “6.1.3.5 .”.
5.9.1 Resistance to soldering heat
Replace the first paragraph by the following:
The test shall be carried out according to test 3N02 of 11.2 of IEC 61189-3:2007.
5.9.2 Flammability
Replace the first sentence of the first paragraph by the following:
The test shall be carried out accord
...

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