IEC 60947-6-1:2005/AMD1:2013
(Amendment)Amendment 1 - Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment
Amendment 1 - Low-voltage switchgear and controlgear - Part 6-1: Multiple function equipment - Transfer switching equipment
Amendement 1 - Appareillage à basse tension - Partie 6-1: Matériels à fonctions multiples - Matériels de connexion de transfert
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Standards Content (Sample)
IEC 60947-6-1 ®
Edition 2.0 2013-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Low-voltage switchgear and controlgear –
Part 6-1: Multiple function equipment – Transfer switching equipment
Appareillage à basse tension –
Partie 6-1: Matériels à fonctions multiples – Matériels de connexion de transfert
IEC 60947-6-1:2005/A1:2013
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IEC 60947-6-1 ®
Edition 2.0 2013-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Low-voltage switchgear and controlgear –
Part 6-1: Multiple function equipment – Transfer switching equipment
Appareillage à basse tension –
Partie 6-1: Matériels à fonctions multiples – Matériels de connexion de transfert
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX Q
ICS 29.120.40, 29.130.20 ISBN 978-2-8322-1304-9
– 2 – 60947-6-1 Amend.1 © IEC:2013
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/1830FDIS 17B/1840/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• withdrawn,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.
_____________
60947-6-1 Amend.1 © IEC:2013 – 3 –
INTRODUCTION to the Amendment
This amendment includes the following significant technical changes with respect to the
second edition of IEC 60947-6-1 published in 2005:
• clarification of the scope and object;
• update of the normative references;
• clarification of the classification in Clause 4;
• new EMC test: voltage harmonics
• minimum test for derived TSE;
• alignments to the Amendment 1 (2010) of IEC 60947-1:2007:
– electrically or electronically controlled circuits;
– markings ("s", "sol", "r" or "f");
– constructional requirements including material requirements;
– requirement for screwless terminals;
– references to EMC test.
• alignments to the Amendment 1 (2012) of IEC 60947-4-1:2009:
– test at the rated conditional short-circuit current I of protected switching devices;
q
– short-circuit tests harmonisation.
• creation of bibliography.
_____________
1 Scope and object
Replace the existing first paragraph of this clause by the following new paragraph:
This part of IEC 60947 applies to transfer switching equipment (TSE) to be used in power
systems for transferring a load supply between a normal and an alternate source with a
supply interruption during transfer, the rated voltage of which does not exceed 1 000 V a.c. or
1 500 V d.c.
Replace in the second dash of the second paragraph "remote" by "remotely".
Renumber the existing note as "NOTE 1".
Delete, in the existing list, the existing items a) and b) under 1).
Add, at the end of the existing text, the following new notes:
NOTE 2 This standard covers also ATSE or RTSE which can be used for safety services as defined in
IEC 60364-1 and for which the installation requirements are given by IEC 60364-5-56.
NOTE 3 Other ATSE requirements are under consideration such as closed transition TSE (make before break
transfer operation).
2 Normative references
Replace the existing references to the IEC 60947-1, IEC 60947-2, IEC 60947-3, IEC 60947-4-
1 and to the IEC 60947-6-2 by the following new references:
– 4 – 60947-6-1 Amend.1 © IEC:2013
IEC 60947-1:2007, Low-voltage switchgear and controlgear – Part 1: General rules
Amendment 1:2010
IEC 60947-2:2006, Low-voltage switchgear and controlgear – Part 2: Circuit-breakers
Amendment 1:2009
Amendment 2:2013
IEC 60947-3:2008, Low-voltage switchgear and controlgear – Part 3: Switches, disconnectors,
switch-disconnectors and fuse-combination units
Amendment 1:2012
IEC 60947-4-1:2009, Low-voltage switchgear and controlgear – Part 4-1: Contactors and
motor-starters – Electromechanical contactors and motor-starters
Amendment 1:2012
IEC 60947-6-2:2002, Low voltage switchgear and controlgear – Part 6-2: Multiple function
equipment – Control and protective switching devices (or equipment) (CPS)
Amendment 1:2007
Add the following new references to the existing list:
IEC 60417-DB , Graphical symbols for use on equipment
CISPR 11:2009, Industrial, scientific and medical equipment – Radio-frequency disturbance
characteristics – Limits and methods of measurement
Amendment 1:2010
IEC 61000-4-13:2002, Electromagnetic compatibility (EMC) – Part 4-13: Testing and
measurement techniques – Harmonics and interharmonics including mains signalling at a.c.
power port, low-frequency immunity tests
Amendment 1:2009
3 Terms and definitions, symbols and abbreviations
Add the following new term and new reference to the existing list as follows:
S
Switching position . 3.3.4
3.3 Main contact positions
Add, after the existing term and definition 3.3.3, the following new term and definition:
3.3.4
switching position (of a TSE)
mechanical configuration of the main contacts of a TSE regarding the load connexion to a
source, which could be either connected to the normal source in the normal position, the
alternate source in the alternative position, or disconnected in the off position (if applicable)
3.4 Symbols and abbreviations
Add the following new symbols and abbreviations to the existing list:
___________
Available at: http://www.graphical-symbols.info/equipment
60947-6-1 Amend.1 © IEC:2013 – 5 –
ATSE Automatic transfer switching equipment
MTSE Manually operated transfer switching equipment
RTSE Remotely operated transfer switching equipment
TSE Transfer switching equipment
"r" Minimum short-circuit test current
I Rated conditional short-circuit current
q
4 Classification
Renumber the existing note as "NOTE 1".
Replace in a) the second existing dash by the following new dash:
– class CB: TSE that is capable of making, withstanding and is intended for breaking short-
circuit currents and is provided with over-current releases;
Replace, in the third existing dash of a), “short-circuit currents. TSE based" by "short-circuit
currents and is based".
Add, after the existing text of a), the following new notes:
NOTE 2 The mirror contact defined in IEC 60947-4-1 should be used to monitor the state of the contacts of a
class CC TSE.
NOTE 3 The appropriate ATSE classification for use for safety services in electrical supply systems is under
consideration.
Replace, in the second existing dash of b), "remote" by "remotely".
5.3 Rated and limiting values for the main circuit
Add, at the end of the existing text, "or in Table 11".
5.3.6.1 Rated short-time withstand current (I )
cw
Add, at the end of the third paragraph, "or in Table 11".
5.3.6.3 Rated short-circuit breaking capacity (I )
cn
Add, at the end of the first sentence of the third paragraph, "or in Table 11".
5.3.6.4 Rated conditional short-circuit current
Add, at the end of the second paragraph, "or in Table 11".
5.4 Utilization category
Replace, in the first paragraph, "assigned one" by "assigned to one" and replace "utilization
voltages" by "operational voltages".
5.5.2 Transfer control devices
Replace the existing item b) by the following new items:
b) the contact transfer time and the off time range for all TSE;
c) the operating transfer time and the return transfer time range for ATSE.
Add, after the existing text of this subclause, the following new text:
– 6 – 60947-6-1 Amend.1 © IEC:2013
The tolerance of the voltage frequency deviations and of the times shall be specified by the
manufacturer but no more than ±10 %. If the time value is lower than 1 s, the manufacturer
shall state the tolerances.
6.1 Nature of information
Replace the existing item h) by the following new item h):
h) rated short-circuit making capacity for class PC;
Add, at the end of item j), "for class PC and CC".
Replace the existing item n) by the following new item n):
n) operating sequence time data according to 5.5.2 b), time delays and their position in the
operating sequence if any;
Renumber the existing note as "NOTE 1".
Replace the existing item r) by the following new items and new note:
r) length of insulation to be removed before insertion of the conductor into the terminal;
s) maximum number of conductors which may be clamped;
t) for non-universal screwless terminals:
– “s” or "sol" for terminals declared for rigid-solid conductors;
– "r" for terminals declared for rigid (solid and stranded) conductors;
– "f" for terminals declared for flexible conductors.
u) switching position of the TSE.
NOTE 2 In the case of electronically controlled electromagnets, other information can also be necessary, for
example the control circuit configuration (see 4.5 and Annex U of IEC 60947-1:2007, Amendment 1 (2010)).
6.2 Marking
Replace, in the second paragraph, "and o)" by ", o) and u)".
Replace, in the last paragraph, "to r)" by "to t)".
6.3 Instructions for installation, operation and maintenance
Delete the existing second paragraph.
8.1.1.1 Resistance to abnormal heat and fire
Renumber this subclause as 8.1.1 and replace the existing text by the following new text:
Subclause 7.1.2 of IEC 60947-1:2007, Amendment 1 (2010) applies.
When tests on the equipment or on sections taken from the equipment are used, parts of
insulating materials necessary to retain current-carrying parts in position shall conform to the
glow wire test of subclause 8.2.1.1.1 of IEC 60947-1:2007, Amendment 1 (2010) with the test
temperature given by IEC 60947-4-1 for class CC TSE, or by IEC 60947-2 for class CB TSE,
or by IEC 60947-3 for class PC TSE.
Add, before the existing subclause 8.2, the following new subclauses:
60947-6-1 Amend.1 © IEC:2013 – 7 –
8.1.2 Indication of the switching position
The indicating means of TSE shall indicate the normal, alternative and if any, the Off position.
The marking shall be preferably in accordance with IEC 60417:
– I Normal (60417-IEC-5007:2002)
– O Off (60417-IEC-5008:2002)
– II Alternative (60417-IEC-6176:2012)
8.1.3 Equipment suitable for isolation
Subclause 7.1.7 of IEC 60947-1:2007, Amendment 1 (2010) applies with the following
addition:
For TSE, open position is called off position and closed position correspond to the positions
normal and alternative.
8.2.1.1 Operating mechanism
Replace the existing second paragraph of item c) by the following new paragraph:
TSE may have an intentional timed off period and/or an off/rest position.
8.2.1.2 Controls, sequence and limits of operation
Replace, in the existing item c), the words "supply to the" by "supply to an".
Replace, in the existing item d), the words "normal to the" by "normal to an".
Replace, in the existing item e), the words "availability of the" by "availability of an".
Add, at the end of the existing item f), the following:
", but not less than 50 ms."
Add, after the end of the existing item f), the following new note:
NOTE For an application requesting a fast transfer time (for example less than 50 ms), a comprehensive study
taking in account the range of the off time of the TSE, the time constants of the loads and the relative phase angle
of the residual voltage, is highly recommended before applying this fast transfer. In any case this should be in
agreement between the manufacturer and the user if adequate measurement or/and protection function in the
installation is not provided.
Add, after "above requirements" in the last existing paragraph, the words "and the
requirements of 5.5.2".
Table 2 – Verification of making and breaking capacity – Conditions for making and
breaking corresponding to the utilization categories
Replace, in the existing table, “I” by “I ”.(2 occurrences)
c
Table 3 – Verification of operational performance – Conditions for making and breaking
corresponding to the utilization categories
Replace, in the existing table, “I” by “I ”.(6 occurrences)
c
8.2.5.1 Rated short-time withstand current
Replace the first existing paragraph by the following new paragraph:
– 8 – 60947-6-1 Amend.1 © IEC:2013
Class PC TSE for which the manufacturer has not specified a short-circuit protective device
shall withstand the test currents given in Table 4 or preferably Table 11 at the discretion of the
manufacturer. Both tables are considered equivalent for the equipment to comply with this standard. If
the manufacturer assigns a short-time withstand current higher than that given in Table 4 or
Table 11, the TSE shall withstand a current of the assigned value.
Table 4 – Value of the test current for the verification of the ability to operate under
short-circuit conditions
Replace, in the existing header of this table, the unit "V" by "A".
Add, after the existing Table 4, the following new table and the following new note:
Table 11 – Value of the test current for the verification
of the ability to operate under short-circuit conditions (harmonized table)
Rated operational current Test current Power
c
factor
I
e
d
A kA (r.m.s.)
a
e
I ≤ 100 0,7 – 0,8
e
b
100 < I ≤ 250 0,5 – 0,7
e
0,2 – 0,3
250 < I ≤ 500
e
0,2 – 0,3
500 < I ≤ 800
e
0,2 – 0,3
800 < I ≤ 1 300 42
e
Subject to agreement between manufacturer and
1 300 < I 0,2 – 0,3
e
user.
a
at 690 V and above: I ≤ 125 A.
e
b
at 690 V and above: 125 < I (A) ≤ 250.
e
c
Rated operational current may be marked "current rating" in North America.
d
Test current may be called “fault current rating” in North America.
e
For lower ratings, Table 17 of IEC 60947-4-1:2009, Amendment 1 (2012) applies.
NOTE New Table 11 had been introduced for harmonization purposes with IEC 60947-4-1:2009,
Amendment 1 (2012), Table 17.
8.2.5.2 Rated conditional short-circuit current
Replace, in the existing first paragraph, "Class PC TSE for which" by "Class PC or Class CC
TSE for which", and "in Table 4" by "in Table 4 or in Table 11".
Replace, in the second existing paragraph, "in Table 4" by "in Table 4 or in Table 11".
8.2.5.3 Rated short-circuit making capacity
Replace, in the first and second existing paragraphs, "Table 4" by " Table 4 or Table 11".
8.2.5.4 Rated short-circuit breaking capacity
Replace, at the end of the first paragraph, "in Table 4" by "in Table 4 or in Table 11".
Replace, in the second existing paragraph, "in Table 4" by "in Table 4 or in Table 11".
60947-6-1 Amend.1 © IEC:2013 – 9 –
8.3.1 General
Delete the second existing paragraph of this subclause.
8.3.2 Immunity
Replace the existing text of this subclause by the following new text:
Subclause 7.3.2 of IEC 60947-1:2007, Amendment 1 (2010) applies with the following
addition:
The procedures are given in 9.5.
Delete the existing Table 5.
Add, after the existing subclause 9.1.4, the following new subclauses:
9.1.5 Special tests
9.1.5.1 Durability tests
Under consideration.
9.1.5.2 Damp heat, salt mist, vibration and shock
Under consideration (see Annex Q of IEC 60947-1:2007, Amendment 1 (2010)).
9.2 Compliance with constructional requirements
Replace the existing text of this subclause by the following new text:
Subclause 8.2 of IEC 60947-1:2007, Amendment 1 (2010) applies with the following additions:
9.2.1 Electrical performance of screwless-type clamping units
Subclause 8.2.4.7 of IEC 60947-1:2007, Amendment 1 (2010) applies with following additions:
The insertion and disconnection of the conductors shall be made in accordance with the
manufacturer’s instructions.
The measurement methods and the results shall be documented in the test report. The test
current is I .
th
9.2.2 Ageing test for screwless-type clamping units
Subclause 8.2.4.8 of IEC 60947-1:2007, Amendment 1 (2010) applies with following additions:
The test shall be done on the device equipped with the clamping units.
The test current is I . The air temperature in the cabinet is raised in approximately 20 min to
th
40 °C or the highest temperature for service conditions as declared by the manufacturer.
Table 6 – List of type tests (overall scheme of test sequences)
Replace the existing Table 6 by the following new table:
– 10 – 60947-6-1 Amend.1 © IEC:2013
Table 6 – List of type tests (overall scheme of test sequences)
b
Test sequence Tests Ref. Applicable to N° sample
class of TSE
a) Constructional requirements 9.2
b) Operation 9.3.3.1
I
General c) Controls, sequence and limits of 9.3.3.2
PC/CC CB 1
performance operation
characteristics
d) Temperature rise 9.3.3.3
e) Dielectric properties 9.3.3.4
f) Making and breaking capacities 9.3.3.5 PC/CC CB
g) Operational performance capability 9.3.3.6.2
PC/CC CB
(electrical)
II
Operating – Dielectric withstand verification 9.3.3.4 PC/CC CB 1
performance
h) Temperature rise 9.3.3.3 PC -
i) Operational performance capability 9.3.3.6.3
PC/CC CB
(mechanical)
a
j) Short-circuit making capacity 9.3.4.2.2 PC CB
c
– Dielectric withstand verification 9.3.3.4 PC/CC CB
k) Short-circuit breaking capacity 9.3.4.2.3 − CB
c
– Dielectric withstand verification 9.3.3.4 − CB
III
Verification of
a
l) Short time withstand current 9.3.4.3 PC − 1
short-circuit
capabilities c
– Dielectric withstand verification 9.3.3.4 PC/CC −
m) Conditional short-circuit current 9.3.4.4 PC/CC −
– Dielectric withstand verification 9.3.3.4 PC/CC CB
– Temperature rise verification 9.3.3.3 PC/CC CB
IV n) Electromagnetic compatibility 9.5 PC/CC CB
Environmental 1
tests
a
This test is not required if the manufacturer has assigned a conditional short-circuit current.
b
Tests can be made on one sample only at the manufacturer's discretion.
c
Test to be made only if not required after a further test on the same sample.
Table 7 – List of type tests (referred to by their subclause numbers) to which a given
derived TSE shall be submitted
Replace the existing table by the following new table:
60947-6-1 Amend.1 © IEC:2013 – 11 –
Table 7 – List of type tests (referred to by their subclause numbers)
to which a given derived TSE shall be submitted
N°
Test sequence Tests Ref. Applicable to Class of TSE
sample
f
PC/CC CB
a a
Other Other
Main Main
a) Constructional 9.2 X X
requirements
b) Operation 9.3.3.1 X X X X X X X
I
General
c) Controls, sequence and 9.3.3.2 X X X X X X X 1
performance
limits of operation
characteristics
h
d) Temperature rise 9.3.3.3 X X X X X X X
e) Dielectric properties 9.3.3.4 X X X X X X X
f) Making and breaking 9.3.3.5 X X
X X X X X
g g
capacities including
interlock function test
g) Operational 9.3.3.6.2 X X X X X
g g g g g
performance capability
(electrical)
II
Operating
– Dielectric withstand 9.3.3.4 X X X X X X X
performance
e
verification
h
h) Temperature rise 9.3.3.3 X X
i) Operational 9.3.3.6.3 X X X X X X X
g g
performance capability
(mechanical)
j) Short-circuit making 9.3.4.2.2 X X X X X
c c c c c
capacity
k) Short-circuit breaking 9.3.4.2.3 N/A N/A X X X
c c c
capacity
l) Short time withstand 9.3.4.3 X X X N/ N/A N/A
III
b d b d
current A
Verification of
short-circuit
m) Conditional short-circuit 9.3.4.4 X X N/ N/A N/A
c c
capabilities
current A
– Dielectric withstand 9.3.3.4 X X X X X X X
e
verification
– Temperature rise 9.3.3.3 X X X X X X X
e
verification
IV
n) Electromagnetic 9.5 X X X X X X X
Environmental compatibility 1
tests
N/A: Not applicable.
60947-3
60947-4-x
60947-2
60947-3
60947-6-2
– 12 – 60947-6-1 Amend.1 © IEC:2013
a
For convenience, parts other than main parts (e.g. those intended to control the TSE: control switches, mechanical
interlocking devices, …) are called other parts.
b
See also 8.2.5.1 and 9.3.4.3 for applicability.
c
If applicable (see 8.2.5.3, 9.3.4.2 and/or 9.3.4.4).
d
Only if mounted in a dedicated enclosure.
e
Only if operating performance and/or short-circuit test required.
f
Tests can be made on one sample only at the manufacturer's discretion.
g
If applicable (see 9.3.3.5.3 and/or 9.3.3.6.1).
h
Tests required only if current carrying capacity of the internal conductors are less than that required by Table 9 and
Table 10 of IEC 60947-1:2007, Amendment 1 (2010).
9.3.3.1 Operation
Replace the second existing paragraph of this subclause by the following new paragraph:
It shall be verified that TSE operates without electrical or mechanical malfunction of the
transfer switch as stated in 8.2.1.1, items b), and c). The TSE shall be operated in each
position and each position of the contacts shall be verified electrically.
Replace in the third existing paragraph "without jerks" by "satisfactorily".
Insert the following new note at the end of the third existing paragraph:
NOTE ”Satisfactorily” means “without chattering or sustained contacts bouncing”.
9.3.3.2.4 Operation on loss of supply voltage
Replace the second existing paragraph by the following new paragraph:
With one of the monitored phases of the normal supply disconnected, the ATSE shall transfer
to an alternative supply. With the normal supply phase reconnected, the ATSE shall return to
the normal supply position.
9.3.3.2.6 Transfer on availability of alternative voltage or voltage-frequency
Add, at the end of this subclause, the following new paragraph:
The test shall be repeated for each alternative source if any.
9.3.3.5.1 General test conditions
Add, after the end of this subclause, the following new text:
TSE shall be submitted to the test conducted with both normal supply circuit parts and
alternative supply circuits energized/operated, phases of voltage in opposition simultaneously,
except for IEC 60947-4-1:2009, Amendment 1 (2012) and
IEC 60947-6-2:2002, Amendment 1 (2007) derived TSE (requirements covered by the
reversing tests specified in IEC 60947-4-1:2009, Amendment 1 (2012) and
IEC 60947-6-2:2002, Amendment 1 (2007)). The transfer times measured shall be in
compliance with 8.2.1.2.
9.3.3.5.3 Derived TSE
Delete the two last existing sentences of this subclause ("However, … 50 ms").
60947-6-1 Amend.1 © IEC:2013 – 13 –
9.3.3.5.4 Verification of making and breaking capacities
Delete, in item a), the existing fifth paragraph.
Replace the existing item c) by the following new item and new note:
c) The on-time in each contact position shall be 0,05 s.
NOTE If an automatic tripping of the overload protective device occurs, the duration of operating cycle can
deviate from Table 8, and it should not be longer than 3 times the value stated in Table 8.
Replace, at the end of the existing item f), "blown" by "opened".
9.3.3.6.1 Derived TSE
Delete, in the first existing paragraph, "and 9.3.3.6.3".
Replace, in the first existing paragraph, the last sentence by "The transfer times measured
shall be in compliance with 8.2.1.2.".
Replace, in the third existing paragraph, "the total number of operating cycles given in
Table 9." by "the test of 9.3.3.6.3.".
9.3.3.6.2 Electrical operational performance
Replace, in the existing item d), "For class CB TSE suitable" by" For class CB TSE and PC
TSE suitable".
Replace the existing item e) by the following new item:
e) After the tests, the transfer times measured shall be in compliance with 8.2.1.2.
Add, after the existing item e), the following new item as follows:
f) A temperature-rise test shall be carried out on the same TSE, without maintenance,
according to 9.3.3.3, and the temperature-rise shall not exceed the values given in Table 2
and Table 3 of IEC 60947-1:2007, Amendment 1 (2010), increased by 10 K.
9.3.3.6.3 Mechanical operational performance
Replace, in the third existing paragraph, “9.3.3.2.4” by “9.3.3.1 and 9.3.3.2.4”.
Delete, in the fourth existing paragraph, "where the tests are needed (see 9.3.3.6.1),".
9.3.4.1 Test circuit for the verification of short-circuit ratings
Replace the existing title of this subclause by the following new title:
9.3.4.1 General requirements for short-circuit tests
Add, after the existing text, the following new paragraph:
If devices tested in free air may also be used in individual enclosures, they shall be
additionally tested in the smallest of such enclosures stated by the manufacturer. For devices
tested only in free air, information shall be provided to indicate as not evaluated for use in an
individual enclosure.
9.3.4.2.1 General
Replace, in the second existing paragraph, the second dash item by the following new item:
– 14 – 60947-6-1 Amend.1 © IEC:2013
− a short-circuit breaking capacity I (of IEC 60947-2:2006, Amendment 1 (2009),
cs
Amendment 2 (2013)) higher than or equal to I according to 8.2.5.4 and as specified in
cn
5.3.6.3,
9.3.4.3 Verification of the ability to carry rated short-time withstand current
Replace, in the existing item a), "Table 4" by "Table 4 or Table 11".
Replace, at the end of the existing item c) 2), "blow" by "be opened".
9.5.1 General
Add, before the existing text of this subclause, the following new paragraph:
All emission and immunity tests are type tests, and shall be carried out under representative
conditions, both operational and environmental, using the manufacturer's recommended
wiring practices, and including any enclosures specified by the manufacturer.
Delete the second existing paragraph, starting with "With the agreement of the
manufacturer.".
9.5.2.1 General
Add, at the end of the existing text, the following new paragraph:
Disturbances should be applied at all the power sources of the controller.
9.5.2.2 Electrostatic discharges
Replace the existing text of this subclause by the following new text:
Subclause 8.4.1.2.2 of IEC 60947-1:2007, Amendment 1 (2010) applies with the following
additions:
The tests are made only on the parts of the equipment which are normally accessible to the
operator in normal service.
The equipment shall comply with performance criterion B given in Table 24 of
IEC 60947-1:2007, Amendment 1 (2010).
9.5.2.3 Radio-frequency electromagnetic fields
Replace the existing text of this subclause by the following new text:
For conducted immunity tests, 8.4.1.2.6 of IEC 60947-1:2007, Amendment 1 (2010) applies
with the performance criterion A given in Table 24 of IEC 60947-1:2007,
Amendment 1 (2010).
For radiated radio-frequency electromagnetic field immunity tests, 8.4.1.2.3 of IEC 60947-
1:2007, Amendment 1 (2010) applies with the performance criterion A given in Table 24 of
IEC 60947-1:2007, Amendment 1 (2010).
9.5.2.4 Fast transient bursts
Replace the existing text of this subclause by the following new text:
Subclause 8.4.1.2.4 of IEC 60947-1:2007, Amendment 1 (2010) applies with the following
additions:
60947-6-1 Amend.1 © IEC:2013 – 15 –
Terminals for control and auxiliary circuits intended for the connection of conductors which
extend more than 3 m shall be tested.
The device shall comply with performance criterion B given in Table 24 of IEC 60947-1:2007,
Amendment 1 (2010).
9.5.2.5 Surges
Replace the existing text of this subclause by the following new text:
Subclause 8.4.1.2.5 of IEC 60947-1:2007, Amendment 1 (2010) applies.
The device shall comply with performance criterion B given in Table 24 of IEC 60947-1:2007,
Amendment 1 (2010).
9.5.2.6 Harmonics
Replace the existing text of this subclause by the following new text:
The harmonic voltage immunity test shall follow the requirements of IEC 61000-4-13:2002,
Amendment 1 (2009) class 3 with the performance criterion A defined in Table 24 of
IEC 60947-1:2007, Amendment 1 (2010) for operation of power and control circuits, and
performance criterion B for the other functions.
9.5.2.7 Voltage dips and short-time interruptions
Replace the existing text of this subclause by the following new text:
Subclause 8.4.1.2.8 and Table 23 class 2 of IEC 60947-1:2007, Amendment 1 (2010) applies
with the performance criterion C defined in Table 24 of IEC 60947-1:2007,
Amendment 1 (2010) except for 0,5 cycle and 1 cycle for which the performance criterion B of
Table 24 of IEC 60947-1:2007, Amendment 1 (2010) applies.
9.5.2.8 Performance of the test sample during and after the test
Delete the existing first sentence of this subclause.
9.5.3.1 General
Replace, in the existing paragraph, "the instructions manual" by "manufacturer's published
literature", and “employ” by "apply".
– 16 – 60947-6-1 Amend.1 © IEC:2013
Add, after the existing Annex B, the new bibliography as follows:
Bibliography
IEC 60364-1:2005, Low-voltage electrical installations – Part 1: Fundamental principles,
assessment of general characteristics, definitions
IEC 60364-5-56:2009, Low-voltage electrical installations – Part 5-56: Selection and erection
of electrical equipment – Safety services
_____________
– 18 – 60947-6-1 Amend.1 © CEI:2013
AVANT-PROPOS
Le présent amendement a été établi par le sous-comité 17B: Appareillage à basse tension, du
comité d'études 17 de la CEI: Appareillage.
Le texte de cet amendement est issu des documents suivants:
FDIS Rapport de vote
17B/1830/FDIS 17B/1840/RVD
Le rapport de vote indiqué dans le tableau ci-dessus donne toute information sur le vote ayant
abouti à l'approbation de cet amendement.
Le comité a décidé que le contenu de cet amendement et de la publication de base ne sera
pas modifié avant la date de stabilité indiquée sur le site web de la CEI sous
"http://webstore.iec.ch" dans les données relatives à la publication recherchée. A cette date,
la publication sera
• reconduite,
• supprimée,
• remplacée par une édition révisée, ou
• amendée.
_____________
60947-6-1 Amend.1 © CEI:2013 – 19 –
INTRODUCTION à l'Amendement
Cet amendement inclut les modifications techniques significatives suivantes par rapport à la
deuxième édition de la CEI 60947-6-1 publiée en 2005:
• clarification du domaine d'application et de l'objet;
• mise à jour des références normatives;
• clarification de la classification de l'Article 4;
• nouvel essai CEM: harmoniques de tension;
• essai minimal pour les TSE dérivés;
• alignements selon l'Amendement 1 (2010) de la CEI 60947-1:2007:
– circuits commandés électriquement ou électroniquement;
– marquages ("s", "sol", "r" ou "f");
– dispositions constructives intégrant les exigences relatives aux matériaux;
– exigences pour les bornes sans vis;
– références aux essais de CEM.
• alignements selon l'Amendement 1 (2012) de la CEI 60947-4-1:2009:
– essai des appareils de connexion protégés au courant assigné de court-circuit
conditionnel I
q;
– harmonisation des essais de court-circuit.
• création de la bibliographie.
_____________
1 Domaine d'application et objet
Remplacer le premier alinéa existant de cet article par le nouvel alinéa suivant:
Cette partie de la CEI 60947 est applicable aux matériels de connexion de transfert (TSE)
destinés à être utilisés dans des systèmes de puissance pour le transfert d'une alimentation
entre une source normale et une source de remplacement, avec une interruption de
l'alimentation de la charge pendant le transfert, dont la tension assignée ne dépasse pas
1 000 V en courant alternatif ou 1 500 V en courant continu.
L'instruction relative au deuxième alinéa de ce paragraphe ne concerne que l'anglais.
Renuméroter la note existante en "NOTE 1".
Supprimer, dans la liste existante, les points a) et b) sous 1).
Ajouter, à la fin du texte existant, les nouvelles notes suivantes:
NOTE 2 La présente norme couvre également les ATSE ou les RTSE pouvant être utilisés pour des services de
sécurité définis par la CEI 60364-1 et pour lesquels les exigences d'installations sont indiquées par la
CEI 60364-5-56.
NOTE 3 D'autres exigences relatives aux ATSE sont à l'étude, comme un TSE à transfert sans coupure
(manœuvre de transfert avec l'établissement avant la coupure).
– 20 – 60947-6-1 Amend.1 © CEI:2013
2 Références normatives
Remplacer les références existantes à la CEI 60947-1, à la CEI 60947-2, à la CEI 60947-3, à
la CEI 60947-4-1 et à la CEI 60947-6-2 par les nouvelles références suivantes:
CEI 60947-1:2007, Appareillage à basse tension – Partie 1: Règles générales
Amendement 1:2010
CEI 60947-2:2006, Appareillage à basse tension – Partie 2: Disjoncteurs
Amendement 1:2009
Amendement 2:2013
CEI 60947-3:2008, Appareillage à basse tension – Partie 3: Interrupteurs, sectionneurs,
interrupteurs-sectionneurs et combinés-fusibles
Amendement 1:2012
CEI 60947-4-1:2009, Appareillage à basse tension – Partie 4-1: Contacteurs et démarreurs de
moteurs – Contacteurs et démarreurs électromécaniques
Amendement 1:2012
CEI 60947-6-2:2002, Appareillage à basse tension – Partie 6-2: Matériels à fonctions
multiples – Appareils (ou matériel) de connexion de commande de protection (ACP)
Amendement 1:2007
Ajouter les nouvelles références suivantes à la liste existante:
CEI 60417-DB , Symboles graphiques utilisables sur le matériel
CEI 61000-4-13:2002, Compatibilité électromagnétique (CEM) – Partie 4-13: Techniques
d’essai et de mesure – Essais d’immunité basse fréquence aux harmoniques et inter-
harmoniques incluant les signaux transmis sur le réseau électrique alternatif
Amendement 1:2009
CISPR 11:2009, Appareils industriels, scientifiques et médicaux – Caractéristiques de
perturbations radioélectriques – Limites et méthodes de mesure
Amendement 1:2010
3 Termes et définitions, symboles et abréviations
Ajouter le nouveau terme et la nouvelle référence à la liste existante comme suit:
P
Position de connexion . 3.3.4
3.3 Positions des contacts principaux
Ajouter, après le terme et la définition 3.3.3, le nouveau terme et la nouvelle définition comme
suit:
___________
Disponible sous: http://www.graphical-symbols.info/equipment
60947-6-1 Amend.1 © CEI:2013 – 21 –
3.3.4
position de connexion (d'un TSE)
état mécanique des contacts principaux du TSE vis-à-vis du raccordement de la charge à une
source, à savoir la source normale en position normale, la source de remplacement en
position de remplacement, ou non raccordé en position de repos (le cas échéant)
3.4 Symboles et abréviations
Ajouter les nouveaux symboles et abréviations suivants à la liste existante:
ATSE Matériel de connexion de transfert automatique (Automatic Transfer Switching
Equipment)
MTSE Matériel de connexion de transfert manœuvré manuellement (Manually operated
Transfer Switching Equipment)
RTSE Matériel de connexion de transfert manœuvré à distance (Remotely operated
Transfer Switching Equipment)
TSE Matériel de connexion de transfert (Transfer Switching Equipment)
"r" Courant d'essai de court-circuit minimal
I Courant assigné de court-circuit conditionnel
q
4 Classification
Re-numéroter la note existante en "NOTE 1".
Remplacer le deuxième tiret existant du a) par le nouveau tiret suivant:
– classe CB: TSE pouvant établir et supporter les courants de court-circuit, prévus pour
couper ceux-ci et pourvus de déclencheurs à maximum de courant;
Remplacer dans le troisième tiret existant du a) "ceux-ci. TSE basés" par "ceux-ci, et basé".
Ajouter, après le texte existant de a), les nouvelles notes suivantes:
NOTE 2 Il convient d'utiliser le contact miroir défini par la CEI 60947-4-1 pour contrôler l'état des contacts d'un
TSE de classe CC.
NOTE 3 La classe ATSE pour utilisation pour des services de sécurité dans les systèmes d’alimentation
électriques est à l’étude.
L'instruction relative au deuxième tiret du b) ne concerne que l'anglais.
5.3 Valeurs assignées et valeurs limites pour le circuit principal
Ajouter, à la fin du texte existant, "ou au Tableau 11".
5.3.6.1 Courant assigné de courte durée admissible (I )
cw
Ajouter, à la fin du troisième alinéa, "ou du Tableau 11".
5.3.6.3 Pouvoir assigné de coupure en court-circuit (I )
cn
Ajouter, à la fin de la première phrase du troisième alinéa, "ou du Tableau 11".
5.3.6.4 Courant assigné de court-circuit conditionnel
Ajouter, à la fin du deuxième alinéa, "ou du Tableau 11".
– 22 – 60947-6-1 Amend.1 © CEI:2013
5.4 Catégorie d'emploi
L'instruction relative à ce paragraphe ne concerne que l'anglais.
5.5.2 Dispositifs de commande de transfert
Remplacer le point b) existant par les nouveaux points suivants:
b) la durée du transfert des contacts et les durées d'interruption pour tous les TSE;
c) la durée de manœuvre de transfert et les durées de retour du transfert pour les ATSE.
Ajouter, après le texte existant de ce paragraphe, le nouveau texte suivant:
Les tolérances sur les écarts de fréquence et les durées doivent être spécifiées par le
fabricant mais ne doivent pas être supérieures à ±10 %. Si la valeur de la durée est inférieure
à 1 s, le fabricant doit indiquer les tolérances.
6.1 Nature des informations
Remplacer le point h) existant par le nouveau point h) suiva nt:
h) pouvoir assigné de fermeture en court-circuit pour la classe PC;
Ajouter, à la fin du point j), "pour les classes PC et CC".
Remplacer le point n) existant par le nouveau point n) suivant:
n) données temporelles de la séquence de manœuvres conformément au 5.5.2 b),
temporisations et leur position dans la séquence de manœuvres, le cas échéant;
Renuméroter la note existante en "NOTE 1".
Remplacer le point r) existant par les nouveaux points et la nouvelle note suivants:
r) longueur de l'isolation à retirer avant d'insérer le conducteur dans la borne;
s) quantité maximale de conducteurs pouvant être fixés;
t) pour les bornes sans vis non universelles:
– "s" ou "sol" pour les bornes indiquées pour les conducteurs rigides-massifs;
– "r" pour les bornes indiquées pour les conducteurs rigides (massifs et toronnés);
– "f" pour les bornes indiquées pour les conducteurs souples.
u) position de connexion du TSE.
NOTE 2 Dans le cas d'électro-aimants commandés électroniquement, d'autres informations peuvent également
être nécessaires, comme la configuration du circuit de commande (voir le 4.5 et l'Annexe U de la CEI 60947-
1:2007, Amendement 1 (2010)).
6.2 Marquage
Remplacer, dans le deuxième alinéa, "et o)" par ", o) et u)".
Remplacer, dans le dernier alinéa, "à r)" par "à t)".
6.3 Instructions d'installation, de fonctionnement et d'entretien
Supprimer le deuxième alinéa existant.
...
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