IEC 60947-5-1:2003/AMD1:2009
(Amendment)Amendment 1 - Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Amendment 1 - Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices
Amendement 1 - Appareillage à basse tension - Partie 5-1: Appareils et éléments de commutation pour circuits de commande - Appareils électromécaniques pour circuits de commande
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IEC 60947-5-1
®
Edition 3.0 2009-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Low-voltage switchgear and controlgear –
Part 5-1: Control circuit devices and switching elements – Electromechanical
control circuit devices
Appareillage à basse tension –
Partie 5-1: Appareils et éléments de commutation pour circuits de commande –
Appareils électromécaniques pour circuits de commande
IEC 60947-5-1:2003/A1:2009
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60947-5-1
®
Edition 3.0 2009-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AMENDMENT 1
AMENDEMENT 1
Low-voltage switchgear and controlgear –
Part 5-1: Control circuit devices and switching elements – Electromechanical
control circuit devices
Appareillage à basse tension –
Partie 5-1: Appareils et éléments de commutation pour circuits de commande –
Appareils électromécaniques pour circuits de commande
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
N
CODE PRIX
ICS 29.120.40; 29.130.20 ISBN 978-2-88910-339-3
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – 60947-5-1 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/1653/FDIS 17B/1667/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.
_______________
CONTENTS
Modify the title of Annex D to read:
Annex D – Vacant
Add the following new annex title:
Annex M (normative) – Terminal marking, distinctive number and distinctive letter for
control circuit devices
Add the following new table titles:
Table M.1 – Diagrams of control switches
Table M.2 – Diagrams of contactor relays designated by the distinctive letter E
Table M.3 – Diagrams of contactor relays designated by the distinctive letter Y
FOREWORD
Before the final paragraph that begins “The committee has decided … “ insert the following
new paragraph:
A list of all the parts in the IEC 60947 series, under the general title Low-voltage switchgear
and controlgear, can be found on the IEC website.
1.1 Scope and object
Replace the seventh paragraph by the following new text:
---------------------- Page: 4 ----------------------
60947-5-1 Amend. 1 © IEC:2009 – 3 –
This standard does not include the relays covered in IEC 60255 or in the IEC 61810 series,
nor automatic electrical control devices for household and similar purposes.
1.2 Normative references
Replace the reference to IEC 60068-2-30:1980 by the following:
IEC 60068-2-30:2005, Environmental testing – Part 2-30: Tests – Test Db: Damp heat, cyclic
(12 h + 12 h cycle)
Insert the following new reference:
IEC 60417, Graphical symbols for use on equipment
Replace the reference to IEC 60947-1:1999 by the following:
IEC 60947-1:2007, Low-voltage switchgear and controlgear – Part 1: General rules
Add, after the reference to IEC 60947-4-1, the following references:
Amendment 1 (2002)
Amendment 2 (2005)
Insert the following new reference:
IEC 60947-5-5:2005, Low-voltage switchgear and controlgear – Part 5-5: Control circuit
devices and switching elements – Electrical emergency stop device with mechanical latching
function
Replace the reference to IEC 61000-4-3:2002 by the following:
IEC 61000-4-3:2008, 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 immunity test
Replace IEC 61000-4-6:1996 and its Amendment 1 (2000) by the following:
IEC 61000-4-6:2008, Electromagnetic compatibility (EMC) – Part 4-6: Testing and
measurement techniques – Immunity to conducted disturbances, induced by radio-frequency
fields
Replace the reference to IEC 61000-4-11:1994 by the following:
IEC 61000-4-11:2004, Electromagnetic compatibility (EMC) – Part 4-11: Testing and
measurement techniques – Voltage dips, short interruptions and voltage variations immunity
tests
Add, after the reference to IEC 61140, the following reference:
---------------------- Page: 5 ----------------------
– 4 – 60947-5-1 Amend. 1 © IEC:2009
Amendment 1 (2004)
Replace the reference to CISPR 11:1997 by the following:
CISPR 11:2003, Industrial, scientific and medical (ISM) radio-frequency equipment –
Electromagnetic disturbance characteristics – Limits and methods of measurement
Amendment 1 (2004)
Amendment 2 (2006)
5.1 Nature of information
Modify the existing text of item g) as follows:
g) Rated impulse withstand voltage (see 4.3.1.3).
Modify the existing text of item l) as follows:
l) Conditional short-circuit current.
5.2.2 Terminal identification and marking
Replace the text of this subclause as follows:
Subclause 7.1.8.4 of IEC 60947-1 applies.
5.2.3 Functional markings
Add, at the end of this subclause, the following new paragraph:
Symbols shall be in accordance with IEC 60417.
5.2.4 Emergency stop
Replace the existing text by the following:
Actuator shape and colour, background colour and direction of unlatching for emergency stop
devices with mechanical latching function shall be in accordance with 4.2 of IEC 60947-5-5.
5.2.5.2 Terminal markings for operating diagrams
Add, at the end of the existing paragraph, the following new sentence:
See also Annex M.
---------------------- Page: 6 ----------------------
60947-5-1 Amend. 1 © IEC:2009 – 5 –
Table 2 – Mounting hole diameter and dimensions of the key recess (if any)
Replace the word “Taille” in the heading of the first column by the word “Size”.
7.1 Constructional requirements
Replace the orphan text, before 7.1.1, as follows:
Subclause 7.1 of IEC 60947-1 applies except for 7.1.2, 7.1.3, 7.1.7, 7.1.9 and 7.1.13, and
with the following additions:
7.1.3 Clearances and creepage distances
Replace the existing text of this subclause by the following:
Minimum values are given in Table 13 and Table 15 of IEC 60947-1.
7.1.4.5 Emergency stop
Replace the existing note by the following new note:
NOTE Additional requirements for emergency stop devices with a latching function are given in IEC 60947-5-5.
7.1.6 Conditions for control switches suitable for isolation
Replace the existing text of the first paragraph by the following new text:
A control switch suitable for isolation shall be manually operated with a direct opening action
(see Annex K) and shall comply with the isolating function in the open position (see 2.1.19
and 7.1.7 of IEC 60947-1).
8.3.2.1 General requirements
Replace the existing text of the second paragraph by the following:
The tests shall be performed with the actuator operated by a machine complying with the
requirements of 8.3.2.1 a) for linear movement or, for a rotary switch, in accordance with
8.3.2.1 b) or 8.3.2.1 c).
Add, after item b), the following new item c):
c) For limited movement rotary switches, operation shall be at a speed of 1 to 4 revolutions
per second.
8.3.3.5.2 Making and breaking capacities of switching elements under normal
conditions
Modify the existing text of the fourth dashed item of the second paragraph as follows:
− 5 000 operations at 10 s intervals (or at a shorter interval determined by the
manufacturer).
---------------------- Page: 7 ----------------------
– 6 – 60947-5-1 Amend. 1 © IEC:2009
8.3.4.3 Test circuit and test quantities
Replace, in the second paragraph, the first sentence by the following:
The test circuit load impedance shall be an air-cored inductor in series with a resistor,
adjusted to a prospective current of 1 000 A, or another value if stated by the manufacturer
but not less than 100 A, at a power factor of between 0,5 and 0,7 and at the rated operational
voltage.
Figure 4 – Examples of contact elements (schematic sketches)
Add, in Figure 4e), in the last column, the following note:
NOTE Multiple electrically separated contact configurations are also covered by Zb.
B.2 Construction
This correction applies to the French text only.
Annex D (normative) – Clearances and creepage distances of control circuit devices
Replace the title and the text of this annex by the following:
Annex D – Vacant
H.7.1.2 Minimum operational current (I )
m
Replace the note as follows:
NOTE In Table A.2 the minimum operational currents are specified for the ratings shown.
Table H.1 – Immunity tests
Replace the existing table by the following new table:
---------------------- Page: 8 ----------------------
60947-5-1 Amend. 1 © IEC:2009 – 7 –
Table H.1 – Immunity tests
Acceptance
Type of test Test level required
criteria
Electrostatic discharge immunity test 8 kV / air discharge B
IEC 61000-4-2 or
4 kV / contact discharge
Radiated radio-frequency electromagnetic field 10 V/m A
immunity test
(80 MHz to 1 GHz and 1,4 GHz to 2 GHz)
IEC 61000-4-3
a
Electrical fast transient/burst immunity test B
2 kV / 5 kHz on power ports
IEC 61000-4-4
b
1 kV / 5 kHz on signal ports
Surge immunity test (1,2/50 µs – 8/20 µs) 2 kV (line to earth) B
c
1 kV (line to line)
IEC 61000-4-5
Conducted disturbances induced by radio- 10 V A
frequency fields immunity test
(150 kHz to 80 MHz)
IEC 61000-4-6
Power frequency magnetic field immunity 30 A/m A
d
test
IEC 61000-4-8
e, f e, f
Voltage dips immunity test B
Class 2 Class 3
IEC 61000-4-11
0 % during 0,5 cycle 0 % during 0,5 cycle
e, f, g e, f, g
C
Class 2 Class 3
0 % during 1 cycle 0 % during 1 cycle
70 % during 40 % during
25/30 cycles 10/12 cycles
70 % during
25/30 cycles
80 % during
250/300 cycles
e, f, g e, f, g
Voltage interruptions immunity test C
Class 2 Class 3
IEC 61000-4-11
0 % during 0 % during
250/300 cycles 250/300 cycles
Immunity to harmonics in the supply h
No requirements
IEC 61000-4-13
a
Power port: the point at which a conductor or cable carrying the primary electrical power needed for the operation
of the switching element or associated equipment is connected.
b
Signal port: the point at which a conductor or cable carrying information for transferring data or signals is
connected to the switching element.
c
Not applicable for ports with a rated voltage of 24 V or less.
d
Applicable only to equipment containing devices susceptible to power frequency magnetic fields.
e
Class 2 applies to points of common coupling and in-plant points of common coupling in the industrial
environment in general.
Class 3 applies to in-plant couplings in industrial environment only. This class should be considered when a major
part of the load is fed through converters; welding machines are present; large motors are frequently started or
loads vary rapidly.
The manufacturer shall state the applicable class.
f
The given percentage means percentage of the rated operational voltage, e.g. 0 % means 0 V.
g
The value before the solidus (/) is for 50 Hz and the value behind is for 60 Hz tests.
h
Requirements are under study for the future.
---------------------- Page: 9 ----------------------
– 8 – 60947-5-1 Amend. 1 © IEC:2009
J.3 Classification
Add a new final dashed item as follows:
– Nature of light source (for example: filament lamp, LED)
J.7.1.13 Colour of the lens
Delete the title and text of this subclause.
K.4.3.1.2 Rated insulation voltage
Replace the existing text of this subclause by the following:
The minimum value of the rated insulation voltage of the contact elements shall be 250 V.
K.4.3.2.1 Conventional free air thermal current
Replace the existing text of this subclause by the following:
The minimum value of the conventional free air thermal current of the contact elements shall
be 2,5 A.
K.5.2.7 Direct opening action
Add, after the symbol, the following reference:
IEC 60617-S00226 (2001-07)
K.8.3.4.2.1 Verification of conditional short-circuit current
Replace the existing text of the first paragraph by the following new text:
The test shall be made as stated in 8.3.4.2, except that the current is made by a direct
opening contact element and not by the additional switching device and the test is made on
the device by making the current three times by the same contact element in a single phase
circuit.
K.8.3.4.4.1 Operation ability after the test
Modify the existing text of the first paragraph to read:
… by the manufacturer through the direct opening travel (see items a) and b) of K.5.4.1).
L.8.4 Special test for mechanically linked contact elements
Replace, under item a) 3), the existing note by the following new note 1:
NOTE 1 This test ensures a minimum gap of 0,6 mm in accordance with Table 13 of IEC 60947-1.
---------------------- Page: 10 ----------------------
60947-5-1 Amend. 1 © IEC:2009 – 9 –
Replace, under item b) 4), the existing note by the following new note 2:
NOTE 2 This test ensures a minimum gap of 0,6 mm in accordance with Table 13 of IEC 60947-1.
Add, after Annex L, the following new Annex M.
Annex M
(normative)
Terminal marking, distinctive number and distinctive
letter for control circuit devices
M.1 Scope
This annex applies to control switches and contactor relays irrespective of their construction,
having terminal marking.
The use of this annex is required where terminal marking is a requirement in this standard, or
is usual practice.
M.2 Terminal marking rule
M.2.1 General
Terminal marking in accordance with this annex is based, in principle, on a two-digit number.
M.2.2 Function digit
Subclause L.3.2.1 of IEC 60947-1 applies.
M.2.3 Sequence digit
The tens digit is a continuous sequence number beginning with 1 (except for control switches
designated 01 and contactor relays designated 01E), independent of the contact function.
Terminals belonging to the same contact are marked with the same sequence digit.
For contactor relays having 10 contact elements, the sequence digit 0 is used instead of 10.
The sequence digit may be omitted from the terminal marking only if additional information
provided by the manufacturer or the user clearly gives such digit.
---------------------- Page: 11 ----------------------
– 10 – 60947-5-1 Amend. 1 © IEC:2009
EXAMPLE For control switches
2
1
2 3
1 4
Diagram
Device
NOTE The dots before the function number shown in these examples are used merely to show the digit
relationship, and do not need to be used in practice.
M.2.4 Numbering method
The contact terminals shall be numbered sequentially from left to right on the device; for
devices with tiers of terminals, the numbering shall begin with the tier nearest to the mounting
level.
EXAMPLE Contact numbering methods on contactor relays of various constructional types, but with the same
distinctive number 62 E
1 2 3 4 5 6 7 8 5 6 7 8
Upper or front tier
Lower or back tier
Break contact Make contact
1 2 3 4
The prescribed numbering method does not allow blank contact cells inside a contact series.
6 7 8 9 0
Upper or front tier
Lower or back tier
1 2 3 4 5
M.3 Distinctive number and distinctive letter
M.3.1 General
The quantity and type of the contact elements of a control switch according to this annex are
indicated by a distinctive number. Contacts of contactor relays are indicated by a distinctive
number followed by a distinctive letter.
M.3.2 Distinctive number
The first digit of the distinctive number gives the quantity of make contact elements and the
second digit the quantity of break contact elements. The third digit, if any, shall give the
quantity of change-over contact elements in control switches.
.3
.4
.2 .1
.3
.4
.4 .3
.1
.2
.4 .3
13
14 13
14
22 21 23
24
32 31
44 43
---------------------- Page: 12 ----------------------
60947-5-1 Amend. 1 © IEC:2009 – 11 –
M.3.3 Distinctive letter
The distinctive letter indicates the location of the contact elements of a contactor relay in
relation to each other and their terminal marking.
Clause M.5 defines the arrangement of contactor relays indicated by the distinctive letter E.
Clause M.6 gives information on permissible deviations, indicated by the distinctive letters X,
Y or Z.
For new designs, the arrangement indicated by the distinctive letter E is preferred.
M.4 Terminal numbering sequence
For control switches having the same distinctive number, the terminal marking is specified in
Table M.1.
The position of the contact elements of the control switch need not correspond to that shown
on diagrams of Table M.1.
Table M.1 – Diagrams of control switches
01
10
20 02
11
03
30 21 12
40 13
31 22 04
001
002
M.5 Contactor relays designated by the distinctive letter E
For contactor relays having the same distinctive number and the distinctive letter E,
independently of their construction, the sequence of the contact elements within the device is
specified in accordance with the diagrams of Table M.2.
Distinctive
number
12
12
14 13 14 13
14 13 14 13
11
11
14 14 24 23 24 23
24 23
Contact
34 33
22 34 33
elements
21
44 43
24
Distinctive
number
14 13 14 13 14 13
22 21
22 21 22 21
Contact
34 33 34 33
elements
44 43
Distinctive
number
14 13 14 13
22 21 22 21
Contact
32 32
31 31
elements
44 43
Distinctive
number
14 13
22 21
Contact
32
31
elements
42
41
Distinctive
number
12 11 12 11
12 11
22 21 22 21
22 21 22 21
Contact
32 32 31
31
elements
42 41
---------------------- Page: 13 ----------------------
– 12 – 60947-5-1 Amend. 1 © IEC:2009
As a result of this the sequence number becomes a location number and allows a given
contact element terminal of a contactor relay in the equipment to be quickly found solely by
counting the contacts.
---------------------- Page: 14 ----------------------
60947-5-1 Amend. 1 © IEC:2009 – 13 –
Table M.2 – Diagrams of contactor relays designated by the distinctive letter E
Contact elements Contact elements Contact elements Contact elements Contact elements Contact elements
01 E
10E
11E 02E
20E
21E
12E 03E
30E
31E
22E 13E 04E
40E
41E 23E 14E 05E
50E 32E
51E 33E
42E
60E
71E 53E
62E 44E
80E
91E 73E
82E 64E 55E
100E
Coil
14 13 14 13 14 13 14 13 14 13 14 13 14 13
14 13
24 23 23 24 23 24 23 24 23 24 23 24 23
24
34 33 34 33 34 33 34 33 34 33 34 33
44 43 44 43 44 43 44 43 44 43
54 53 54 53 54 53 54 53
64 64 63 64 63
63
74 73 74 73
84 83 84 83
93
94
04 03
14 13 14 13 14 13 14 13 14 13 14 13 14 13
22 22 22
24 23 24 23 24 23 22 21 22 21 21 21 21
34 33 34 33 34 33 34 33 34 33 34 33
44 43 44 43 44 43 44 43 44 43
54 53 54 53 54 53
54 53
62
64 63 62 61 61
72
71 74 73
84 83 84 83
94 93
04 03
14 13 14 13 14 13 14 13 14 13 14 13
12 11
22 22 22 22
24 23 24 23 24 23 21 21 21 21
32 31 32 31 32 31
34 33 34 33 34 33
44 43 44 43 44 43 44 43 44 43
54 53 54 53 52 54 53
51
64 63 62 61 62 61
72 72
71 71
84 83 84 83
92
91
04 03
14 13 14 13 14 13 14 13 12
11
14 13
22 21
24 23 24 23 24 23 22 22 21
21
32 31
34 33 34 33 34 33 32 32 31
31
42 41
44 43 44 43 42 42
41 41
54 53
54 53 52 51
54 53
64 63 62 61 62
61
72
72 71 71
82 82
81 81
92
91
04 03
14 13 14 13
14 13
12
11
22
24 23 21
24 23
22 21
32 31
34 33 34 33
32
31
42 41
44 43 44 43
42
41
52 52 51
54 53 51
62
64 63 61
72 71 72 71
82 81 82 81
92 91
02
01
14 13 12 11
22 21
24 23
32 31
34 33
42 41
44 43
54 53 52 51
62 61
72
71
82 81
92 91
02 01
---------------------- Page: 15 ----------------------
– 14 – 60947-5-1 Amend. 1 © IEC:2009
M.6 Contactor relays designated by distinctive letters X, Y or Z
M.6.1 Contactor relays designated by the distinctive letter Z
If the location of the contact elements within the device (but not the terminal marking) differs
from the provisions of Clause M.5, the device shall be designated by the distinctive letter Z
instead of the distinctive letter E.
44Z
M.6.2 Contactor relays designated by the distinctive letter X
If the location of the contact elements within the device and the terminal marking both differ
from the requirements of Clause M.5, the device shall be designated by the distinctive letter X
instead of the distinctive letter E.
Such a device shall still comply with the requirements of Clauses M.2 and M.3.
44X
M.6.3 Contactor relays designated by the distinctive letter Y
Devices consisting of combinations of contact elements and terminal marking in accordance
with Table M.3 shall be designated by the distinctive letter Y instead of the distinctive letter E.
Table M.3 – Diagrams of contactor relays designated by the distinctive letter Y
42Y (31E + 11)
33Y (22E + 11)
(22E + 22)
53Y (31E + 22) 44Y
Add, after Annex M, on a new page, the following:
Bibliography
IEC 61810 (all parts), Electromechanical elementary relays
_______________
14 13
22 21
34 33
44 43
54 53
62 61
14 13
13
14
14 13
14 13
22 21
52 51
22 21
22 21
34 33
32
31 34 33
24 23
44 43
44 43
54 53
54 53 42 41
62 61
62 61
62
61
72
71
53
54
33
34
84 83
62 61
72 71
74 73
44 43
82
81
82 81
14 13
22 21
32 31
44 43
54 53
62
61
72 71
84 83
---------------------- Page: 16 ----------------------
– 16 – 60947-5-1 Amend. 1 © CEI:2009
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/1653/FDIS 17B/1667/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 maintenance 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.
_______________
SOMMAIRE
Modifier le titre de Annexe D pour lire:
Annexe D – Disponible
Ajouter le titre de la nouvelle annexe :
Annexe M (normative) – Marquage des bornes, nombre distinctif et lettre distinctive pour
les appareils pour circuits de commande
Ajouter ce qui suit:
Tableau M.1 – Schémas d’auxiliaires de commande
Tableau M.2 – Schémas de contacteurs auxiliaires désignés par la lettre distinctive E
Tableau M.3 – Schémas de contacteurs auxiliaires désignés par la lettre distinctive Y
AVANT-PROPOS
Ajouter, avant le dernier alinéa qui commence par « Le comité a décidé …. » le nouvel alinéa
suivant :
Une liste de toutes les parties de la série CEI 60947, présentées sous le titre général
Appareillage à basse tension, peut être consultée sur le site web de la CEI.
1.1 Domaine d’application et objet
Remplacer le septième alinéa par le texte suivant:
---------------------- Page: 17 ----------------------
60947-5-1 Amend. 1 © CEI:2009 – 17 –
La présente norme ne prend pas en compte les relais couverts par la CEI 60255, la série
CEI 61810 ou les dispositifs de commande électrique automatiques à usage domestique et
analogue.
1.2 Références normatives
Remplacer la référence à la CEI 60068-2-30:1980 par ce qui suit:
CEI 60068-2-30:2005, Essais d’environnement – Partie 2-30: Essais – Essai Db: Essai
cyclique de chaleur humide (cycle de 12 h + 12 h)
Insérer la nouvelle référence suivante:
CEI 60417, Symboles graphiques utilisables sur le matériel
Remplacer la référence à la CEI 60947-1:1999 par ce qui suit:
CEI 60947-1:2007, Appareillage à basse tension – Partie 1: Règles générales
Ajouter, après la référence à la CEI 60947-4-1, les références suivantes:
Amendement 1 (2002)
Amendement 2 (2005)
Insérer la nouvelle référence suivante:
CEI 60947-5-5:2005, Appareillage à basse tension – Partie 5-5: Appareils et éléments de
commutation pour circuits de commande – Appareils d’arrêt d’urgence électrique à
accrochage mécanique
Remplacer la référence à la CEI 61000-4-3:2002 par ce qui suit:
CEI 61000-4-3:2008, Compatibilité électromagnétique (CEM) – Partie 4-3: Techniques d'essai
et de mesure – Essai d'immunité aux champs électromagnétiques rayonnés aux fréqu
...
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