IEC 62606:2013/AMD1:2017
(Amendment)Amendment 1 - General requirements for arc fault detection devices
Amendment 1 - General requirements for arc fault detection devices
Amendement 1 - Exigences générales des dispositifs pour la détection de défauts d'arc
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IEC 62606 ®
Edition 1.0 2017-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
General requirements for arc fault detection devices
Exigences générales des dispositifs pour la détection de défaut d’arcs
IEC 62606:2013-07/AMD1:2017-02(en-fr)
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IEC 62606 ®
Edition 1.0 2017-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1
General requirements for arc fault detection devices
Exigences générales des dispositifs pour la détection de défaut d’arcs
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.01; 29.120.50 ISBN 978-2-8322-3899-8
– 2 – IEC 62606:2013/AMD1:2017
IEC 2017
FOREWORD
This amendment has been prepared by subcommittee 23E: Circuit-breakers and similar
equipment for household use, of IEC technical committee 23: Electrical accessories.
The text of this amendment is based on the following documents:
FDIS Report on voting
23E/993/FDIS 23E/1003/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• withdrawn,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.
_____________
1 Scope
Replace the existing first paragraph by the following new first paragraph:
This International Standard applies to arc fault detection devices (AFDDs) for household and
similar uses, intended to be used in a.c. circuits, for rated voltages not exceeding 440 V a.c,
with rated frequencies of 50 Hz, 60 Hz or 50/60 Hz and rated currents not exceeding 63 A.
Replace, in the fourth paragraph, the words “final circuits” by “a final circuit”.
Delete the eighth and ninth paragraphs.
Add, at the end of this clause, the following new note:
NOTE 5 AFDD for d.c. applications are under consideration.
2 Normative references
Add the following new references:
IEC 60228, Conductors of insulated cables
IEC 61000-3-2:2014, Electromagnetic compatibility (EMC) – Part 3-2: Limits – Limits for
harmonic current emissions (equipment input current ≤ 16 A per phase)
© IEC 2017
IEC 61543:1995, Residual current-operated protective devices (RCDs) for household and
similar use – Electromagnetic compatibility
IEC 61543:1995/AMD1:2004
IEC 61543:1995/AMD2:2005
3 Terms and definitions
3.2
arc fault
arcing fault
Replace the existing definition by the following new definition:
dangerous unintentional arc
3.4
arc fault detection unit
AFD unit
Replace, at the end of the note, the reference “see (4.1.3)” by “(see 4.1.3)”.
4.1 According to the method of construction
4.1.1 Replace the existing text by the following new text:
4.1.1 AFDD as one single device, comprising an AFD unit and opening means not providing
overcurrent or residual current protection.
4.3 According to the number of poles and current paths
Add to the existing list the following two new dashes:
– Three-pole AFDD;
– Four-pole AFDD.
Delete NOTE 1 and renumber “NOTE 2” as “NOTE”.
5.3.1 Preferred values of rated voltage (U )
n
Replace the existing text by the following new text:
Preferred values of rated voltage are as indicated in Table 22.
– 4 – IEC 62606:2013/AMD1:2017
IEC 2017
Table 22 – Preferred values of rated voltage
Rated voltage of Rated voltage of
AFDDs for use in AFDDs for use in
systems 230 V or systems 120/240 V or
AFDD Circuit supplying the AFDD
230/400 V or 400 V 240 V
V V
Single phase
Single-pole (with
(phase to earthed middle conductor or 230 120
two current paths)
phase to neutral)
Single phase
Two-pole (phase to neutral or phase to phase or 230, 400 120, 240
phase to earthed middle conductor)
Three phases (3-wire or 4-wire)
Three-pole
(400 V or 230/400 V or 230 V-system)
Three phases (4-wire)
Four-pole 400
(230/400 V-system)
NOTE 1 In IEC 60038 the network voltage value of 230/400 V has been standardized. This value is likely to
progressively supersede the values of 220/380 V and 240/415 V.
NOTE 2 Wherever in this standard there is a reference to 230 V or 400 V, they can be read as 220 V or 240 V,
380 V or 415 V, respectively.
NOTE 3 Wherever in this standard there is a reference to 120 V or 120/240 V or 240 V, they can be read as
100 V, 100/200 V or 200 V, respectively.
NOTE 4 Wherever in this standard there is a reference to 240 V three phases, it can be read as 100 V or
120/208 V.
NOTE In Japan, the phase to neutral conductor and phase to earthed conductor (grounded conductor) are
considered in a different way because single phase 2-wire systems supplied from a 2-wire system source do not
have a neutral point.
5.3.3 Preferred values of rated frequency
Replace the heading of 5.3.3 by the following new heading:
5.3.3 Standard values of rated frequency
Replace, in the first paragraph, “Preferred” by “Standard”.
Delete the second paragraph.
5.3.7.1 Limit values of operating criteria for AFDDs at low arc currents up to 63 A
Table 1 – Limit values of break time for U = 230 V AFDDs
n
Replace the heading of Table 1 by the following new heading:
Table 1 – Limit values of break time for U = 230 V and 400 V AFDDs
n
5.3.7.2 Limit values of operating criteria for AFDDs at high arc currents above 63 A
Table 3 – Maximum allowed number of arcing half-cycles within 0,5 s for U 230 V
n
AFDDs and U = 120 V AFDDs
n
© IEC 2017
Replace the heading of Table 3 by the following new heading:
Table 3 – Maximum allowed number of arcing half-cycles within 0,5 s
6.1 Marking
Replace, in the first sentence of the sixth paragraph, “c & e” by “c and e”.
Replace, in the second sentence of the sixth paragraph, “a, b, d, f & i” by “a, b, d, f, i and j”.
Replace, in the third sentence of the sixth paragraph, “the information under h” by “the
information under i”.
8.2.3 Clearances and creepage distances (see Annex B)
Replace, in the third paragraph, “and arrangements of 9.7.2 items b), c), d) and e)” by “and
arrangements of 9.7.3 items b), c), d) and e)”.
Replace, in the third paragraph, the existing first indent by the following new indent:
– tests according to 9.7.3 to 9.7.6 as applicable;
Replace, in NOTE 1, “9.7.6” by “9.7.7.2”.
8.17 Performance of the AFD test device
Delete, at the end of the penultimate paragraph, the words “is operated”.
Add the following new subclause:
8.18 Performance in case of partial loss of supply connections
Three-pole AFDDs and four-pole AFDDs shall also perform as required for series, parallel and
earth arc fault when connected as follows:
– for three-pole AFDD, with two phases only;
– for four-pole AFDD: with three phases without neutral, with two phases only, and one
phase and neutral.
Compliance is checked by the tests of 9.23.
9.1.2 The characteristics of AFDDs are checked by means of tests
Table 10 – List of type tests
Add, at the end of the table, the following new row:
– Verification of the behaviour in case of partial loss of supply connections 9.23
– 6 – IEC 62606:2013/AMD1:2017
IEC 2017
9.7.2.4 Condition of the AFDD after the test
Replace “9.7.7” by “9.7.6”.
9.7.3 Insulation resistance of the main circuit
Replace the existing item c) by the following new item c):
c) with the AFDD in the closed position, between all poles connected together and the frame,
including a metal foil or part in contact with the outer surface of the housing of insulating
material but with the terminal areas kept completely free to avoid flashover between
terminals and the metal foil.
9.7.5 Insulation resistance and dielectric strength of auxiliary circuits
Replace the existing item b) by the following new item b):
b) The measurements of the insulation resistance are carried out:
– between the auxiliary circuits connected to each other and to the frame;
– between each of the parts of the auxiliary circuits which might be isolated from the
other parts in normal service and the whole of the other parts connected together;
at a voltage of approximately 500 V d.c. after this voltage has been applied for 1 min.
The insulation resistance shall be not less than 2 MΩ.
9.7.7.1 General testing procedure for the impulse withstand voltage tests
Replace, in NOTE 1, “9.7.6.2” by “9.7.7.2”.
9.7.7.2 Verification of clearances with the impulse withstand voltage
Add, in the first line of the first paragraph, “of” before “Table 7”.
9.8.2 Test
...
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