Amendment 1 - Combined flexible materials for electrical insulation - Part 3: Specifications for individual materials

Amendement 1 - Matériaux combinés souples destinés à l'isolement électrique - Partie 3: Spécifications pour matériaux particuliers

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Status
Published
Publication Date
16-Jul-2012
Current Stage
PPUB - Publication issued
Start Date
31-Aug-2012
Completion Date
17-Jul-2012
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IEC 60626-3:2008/AMD1:2012 - Amendment 1 - Combined flexible materials for electrical insulation - Part 3: Specifications for individual materials
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IEC 60626-3
®

Edition 3.0 2012-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1

Combined flexible materials for electrical insulation –
Part 3: Specifications for individual materials

Matériaux combinés souples destinés à l'isolement électrique –
Partie 3: Spécifications pour matériaux particuliers

IEC 60626-3:2008/A1:2012

---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60626-3

®


Edition 3.0 2012-07




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE




AMENDMENT 1

AMENDEMENT 1





Combined flexible materials for electrical insulation –

Part 3: Specifications for individual materials




Matériaux combinés souples destinés à l'isolement électrique –

Partie 3: Spécifications pour matériaux particuliers
















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX F


ICS 29.035.01 ISBN 978-2-83220-149-7



Warning! Make sure that you obtained this publication from an authorized distributor.

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® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

---------------------- Page: 3 ----------------------
– 2 – 60626-3 Amend. 1 © IEC:2012
FOREWORD
This amendment has been prepared by IEC technical committee 15: Solid electrical insulating
materials.
The text of this amendment is based on the following documents:
CDV Report on voting
15/647/CDV 15/673A/RVC

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.
_____________

6 Specification sheets
Add the following new Sheet 352 after the existing Sheet 351:

---------------------- Page: 4 ----------------------
60626-3 Amend. 1 © IEC:2012 – 3 –
Sheet 352

Requirements for combined flexible triplex materials of three layers –
P-H/F-PET/P-H (60 µm hybrid inorganic-organic paper
on both sides of PET film)

1 Description
This sheet gives the requirements for triplex materials consisting of a layer of insulating paper
(P-H) having a nominal thickness of 60 µm, laminated on both sides of a polyethylene
terephthalate film (F-PET).
2 Thermal classification
Experience has shown that the combined flexible materials listed in this sheet may be suitable
for use in electrical apparatus with ratings up to and including the temperature range of
155 °C to 180 °C.
3 Single-layer requirements
Use hybrid inorganic-organic paper of a nominal thickness of 60 µm, which meets the
requirements of IEC 60819-1 and IEC 60819-3-2.
Use a PET film which meets the requirements of IEC 60674-1 and IEC 60674-3-2.
4 Additional requirements
Additional requirements are given in the table below.
Property Clause in Units
IEC 60626-2 Tolerance
Laminate
2 mm 0,14  0,17  0,19  0,22  0,25  0,31  0,37  0,47
nominal
thickness
Laminate
2 15   15    15   15    15    15    15    15
± %
thickness
tolerance
2
Laminate g/m
3 120   165    210  235   270  365   460   590
nominal
± 15 %
grammage
Film nominal µm 23    50     75   100   125   190   250   350

thickness
Tensile
4
strength N/10 mm min.

unfolded
MD 45    65     85   105   125   170   215   275
CMD 30    50     65    85   105   150   200   265
Tensile
4
strength N/10 mm min.

folded
MD 45    65     85   105   125   170   215   275
CMD 30    50     65    85   105   150   200   265
Elongation
4
unfolded % min.

MD 8     8      8     8    8    8     8     8
CMD 8     8      8     8    8    8     8     8

---------------------- Page: 5 ----------------------
– 4 – 60626-3 Amend. 1 © IEC:2012
Property Clause in Units

IEC 60626-2 Tolerance
Electric
9
breakdown kV min.

voltage,
Unfolded 5     7      9     10    12   15    18    21
6 mm diameter
Folded 4     6      8     8    10   12    15    18
electrodes
NOTE
MD = machine direction
CMD = cross machine direction
min. = minimum

Sheet 340
4 Additional requirements
Replace the existing table with the following new table:
Property Clause in Units
IEC 60626-2 Tolerance
Laminate nominal mm 0,10 0,15 0,18 0,21
2
thickness
Laminate thickness
2 15 15 15 15
± %
tolerance
2
Laminate nominal
3 g/m 135 180 215 250
grammage
± 15 %
Film nominal
23 23 50 23
µm
thickness
Tensile strength N/10 mm min.

unfolded MD 115 135 230 155
4
CMD 50   55    115    60
Tensile strength N/
...

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