EN 61009-1:2004

SLOVENSKI STANDARD
01-junij-2005
1DGRPHãþD
SIST EN 61009-1:1996
SIST EN 61009-1:1996/A1:1998
SIST EN 61009-1:1996/A11:1997
SIST EN 61009-1:1996/A13:1999
SIST EN 61009-1:1996/A15:1999
SIST EN 61009-1:1996/A17:2001
SIST EN 61009-1:1996/A2:1999
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Residual current operated circuit-breakers with integral overcurrent protection for
household and similar uses (RCBO's) -- Part 1: General rules
Fehlerstrom-/Differenzstrom-Schutzschalter mit eingebautem Überstromschutz (RCBOs)
für Hausinstallationen und für ähnliche Anwendungen -- Teil 1: Allgemeine
Anforderungen
Interrupteurs automatiques à courant différentiel résiduel avec protection contre les
surintensités incorporée pour installations domestiques et analogues (DD) -- Partie 1:
Règles générales
Ta slovenski standard je istoveten z: EN 61009-1:2004
ICS:
29.120.50 9DURYDONHLQGUXJD Fuses and other overcurrent
PHGWRNRYQD]DãþLWD protection devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61009-1
NORME EUROPÉENNE
EUROPÄISCHE NORM September 2004

ICS 29.120.50 Supersedes EN 61009-1:1994 + A1:1995 + A11:1995 + A2:1998
+ A13:1998 + A14:1998 + A15:1998 + A17:1998 + A19:2000
Incorporates Corrigendum July 2006

English version
Residual current operated circuit-breakers
with integral overcurrent protection
for household and similar uses (RCBO's)
Part 1: General rules
(IEC 61009-1:1996 + corr. 2003 + A1:2002, modified)

Interrupteurs automatiques  Fehlerstrom-/Differenzstrom-
à courant différentiel résiduel Schutzschalter mit eingebautem
avec protection contre les surintensités Überstromschutz (RCBOs)
incorporée pour installations domestiques für Hausinstallationen und
et analogues (DD) für ähnliche Anwendungen
Partie 1: Règles générales Teil 1: Allgemeine Anforderungen
(CEI 61009-1:1996 + corr. 2003 (IEC 61009-1:1996 + Corr. 2003
+ A1:2002, modifiée) + A1:2002, modifiziert)

This European Standard was approved by CENELEC on 2004-03-16. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 61009-1:2004 E
Foreword
The text of the International Standard IEC 61009-1:1996 and its amendment 1:2002, prepared by SC 23E,
Circuit-breakers and similar equipment for household use, of IEC TC 23, Electrical accessories, together with
common modifications prepared by the Technical Committee CENELEC TC 23E, Circuit breakers and
similar devices for household and similar applications, was submitted to the Unique Acceptance Procedure
and was approved by CENELEC as EN 61009-1 on 2004-03-16.

This European Standard supersedes EN 61009-1:1994 + corrigendum Dec. 1997 + A1:1995 +
A1:1995/corrigendum Dec. 1997 + A11:1995 + A11:1995/corrigendum Dec. 1997 + A2:1998 + A13:1998 +
A13:1998/corrigendum Apr. 1998 + A14:1998 + A15:1998 + A17:1998 + A19:2000.

The following dates were fixed:

– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2005-04-01

– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2009-04-01

This European Standard was prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association and covers essential requirements of EC Directives. See
Annex ZZ.
Annexes, clauses, subclauses, figures and tables that are additional to those in IEC 61009-1 are prefixed
with the letter Z.
The contents of the corrigendum of July 2006 have been included in this copy.
__________
– 3 – EN 61009-1:2004
Endorsement notice
*)
The text of the International Standard IEC 61000-9-1:1996 + corrigendum May 2003 + A1:2002 was
approved by CENELEC as a European Standard with agreed common modifications as given below.

Clause Common modifications
Contents Add:
3.Z1 Definitions related to insulation co-ordination
Annex ZA (normative) Normative references to international publications with their
corresponding European publications
Annex ZB (normative) Special national conditions
Annex ZC (informative) A-deviations
Annex ZD (normative) Classification of RCBOs into energy limiting classes
Annex ZZ (informative) Coverage of Essential Requirements of EC Directives
Table ZD.1 – Permissible I²t (let-through) values for RCBOs with rated current up to and
including 16 A
Table ZD.2 – Permissible I²t (let-through) values for RCBOs with rated current exceeding 16 A
up to and including 32 A
1 Replace the whole Clause 1 by:
1  Scope and object
This International Standard applies to residual current operated circuit-breakers with integral
overcurrent protection functionally independent of, or functionally dependent on, line voltage
for household and similar uses (hereafter referred to as RCBOs), for rated voltages not
exceeding 440 V a.c., rated currents not exceeding 125 A for fixed installation and rated
short-circuit capacities not exceeding 25 000 A for operation at 50 Hz or 60 Hz.
These devices are intended to protect people against indirect contact, the exposed conductive
parts of the installation being connected to an appropriate earth electrode and to protect
against overcurrents the wiring installations of buildings and similar applications. They may be
used to provide protection against fire hazards due to a persistent earth fault current, without
the operation of the overcurrent protective device.
RCBOs having a rated residual operating current not exceeding 30 mA are also used as a
means for additional protection in the case of failure of the protective means against electric
shock.
This standard applies to devices performing simultaneously the function of detection of the
residual current, of comparison of the value of this current with the residual operating value
and of opening of the protected circuit when the residual current exceeds this value, and also
of performing the function of making, carrying and breaking overcurrents under specified
conditions.
These devices are intended for use in an environment with pollution degree 2.
NOTE 1  For environment with higher pollution degree, enclosures giving the appropriate degree of protection should
be used.
*)
In view of some inconsistencies between the English and French versions of IEC 61009-1:1996, it is advisable to use the consolidated
IEC text published in February 2003 for compiling the text of this European Standard.

Clause Common modifications
RCBOs within the scope of the present standard are suitable for isolation.
Devices to this standard, are suitable for use in IT systems provided that the requirements of
HD 384.4.473 are complied with.
NOTE 2  The content of the present standard related to the operation under residual current conditions is based on
EN 61008. The content of the present standard related to protection against overcurrents is based on EN 60898.
NOTE 3  RCBOs are essentially intended to be operated by uninstructed persons and designed not to require
maintenance. They may be submitted for certification purposes.
NOTE 4  Installation and application rules of RCBOs are given in HD 384.
NOTE 5  Recommendations for the dimensional coordination between enclosures and RCBOs for mounting on rail
according to EN 60715 or equivalent means are given in CENELEC Report R023-001.
RCBOs of the general type are resistant to unwanted tripping, including the case where surge
voltages (as a result of switching transients or induced by lightning) cause loading currents in
the installation without occurrence of flashover.
RCBOs of the S type are considered to be sufficiently proof against unwanted tripping even if
the surge voltage causes a flashover and a follow-on current occurs.
NOTE 6  For more severe overvoltage conditions, RCBOs complying with other standards (e.g. EN 60947-2) should
be used.
Special precautions (e.g. lightning arresters) may be necessary when excessive overvoltages
are likely to occur on the supply side (for example in the case of supply through overhead
lines) (see HD 384.4.443).
NOTE 7  For RCBOs having a degree of protection higher than IP20 special constructions may be required.
This standard also applies to RCBOs obtained by the assembly of an adaptable residual
current device with a circuit-breaker. The mechanical assembly shall be effected in the factory
by the manufacturer, or on site, in which case the requirements of Annex G shall apply.
Supplementary requirements may be necessary for RCBOs of the plug-in type.
Particular requirements are necessary for RCBOs integrated in one unit with a socket-outlet or
designed exclusively for being associated locally with a socket-outlet in the same mounting
box.
NOTE 8  Until a specific EN for SRCDs is prepared and approved, for RCBOs integrated in one unit with a socket-
outlet or designed exclusively for being associated locally with a socket-outlet in the same mounting box the
requirements of this standard in conjunction with those of IEC 60884-1 may be used as far as applicable.
This standard does not apply to:
– RCBOs intended to protect motors,
– RCBOs the current setting of which is adjustable by means accessible to the user in
normal service,
– RCBOs having more than one rated current.
The requirements of this standard apply for normal environmental conditions (see 7.1).
Additional requirements may be necessary for RCBOs used in locations having severe
environmental conditions.
RCBOs including batteries are not covered by this standard.
A guide for the co-ordination under short-circuit conditions between a RCBO and another
short-circuit protective device (SCPDs) is given in Annex F.

– 5 – EN 61009-1:2004
Clause Common modifications
This standard contains all requirements necessary to ensure compliance with the operational
characteristics required for these devices by type tests.
It also contains the details relative to test requirements and methods of testing necessary to
ensure reproducibility of test results.
This standard states:
a) the characteristics of RCBOs;
b) the conditions with which RCBOs shall comply, with reference to:
1) their operation and behaviour in normal service,
2) their operation and behaviour in case of overload,
3) their operation and behaviour in case of short-circuits up to their rated short-circuit
capacity,
4) their operation under residual current conditions,
5) EMC,
6) their dielectric properties;
c) the tests intended for confirming that these conditions have been met and the methods to
be adopted for the tests;
d) the data to be marked on the devices;
e) the test sequences to be carried out and the number of samples to be submitted for
certification purposes (see Annex A);
f) the co-ordination under short-circuit conditions with another short-circuit protective device
(SCPD) associated in the same circuit (see Annex F);
g) the routine tests to be carried out on each RCBO to reveal unacceptable variations in
material or manufacture, likely to affect safety (see Annex D).
2 Replace the text of Clause 2 by:
NOTE Normative references to international publications are listed in Annex ZA (normative).
3.3.16 Delete.
3.3.17 Replace "current paths" by "poles".
3.3.Z1 Add the following new definition:
3.3.Z1
plug-in RCBO
RCBO having one or more plug-in terminals (see 3.6.Z1) and designed for use with
appropriate means for the plug-in connection
3.4.9.1
Delete the reference to IEV.
3.4.15
Replace this subclause by:
3.4.15  Co-ordination between overcurrent protective devices in series

3.4.15.1
overcurrent protective co-ordination of overcurrent protective devices
co-ordination of two or more overcurrent protective devices in series to ensure overcurrent
discrimination (selectivity) and/or back-up protection
(2.5.22 of EN 60947-1)
3.4.15.2
overcurrent discrimination
co-ordination of the operating characteristics of two or more overcurrent protective devices in
series such that, on the incidence of overcurrents within stated limits, the device intended to
operate within these limits does so, while the other(s) does (do) not
(IEV 441-17-15)
Clause Common modifications
3.4.15.3
back-up protection
overcurrent co-ordination of two overcurrent protective devices in series, where the protective
device, generally but not necessarily on the supply side, effects the overcurrent protection with
or without the assistance of the other protective device and prevents excessive stress on the
latter
(2.5.24 of EN 60947-1)
3.4.15.4
total discrimination (total selectivity)
overcurrent discrimination where, in the presence of two overcurrent protective devices in
series, the protective device on the load side effects the protection without causing the other
protective device to operate
(2.17.2 of EN 60947-2)
3.4.15.5
partial discrimination (partial selectivity)
overcurrent discrimination where, in the presence of two overcurrent protective devices in
series, the protective device on the load side effects the protection up to a given level of
overcurrent, without causing the other protective device to operate
(2.17.3 of EN 60947-2)
3.4.15.6
selectivity limit current (I )
s
the current co-ordinate of the intersection between the total time-current characteristic of the
protective device on the load side and the pre-arcing (for fuses), or tripping (for RCBOs) time-
current characteristic of the other protective device
The selectivity limit current (see Figure D.1 of EN 60898-1) is a limiting value of current
- below which, in the presence of two overcurrent protective devices in series, the protective
device on the load side completes its breaking operation in time to prevent the other
protective device from starting its operation (i.e. selectivity is ensured);
- above which, in the presence of two overcurrent protective devices in series, the protective
device on the load side may not complete its breaking operation in time to prevent the
other protective device from starting its operation (i.e. selectivity is not ensured)
(2.17.4 of EN 60947-2)
3.4.15.7
take-over current (I )
B
current co-ordinate of the intersection between the time-current characteristics of two
overcurrent protective devices
NOTE The take-over current is the current co-ordinate of the intersection between the maximum break-time /
current characteristics of two overcurrent protective devices in series.
(2.5.25 of EN 60947-1 and 2.17.6 of EN 60947-2)
3.4.15.8
conditional short-circuit current (of a circuit or a switching device)
prospective current that a circuit or a switching device, protected by a specified short-circuit
protective device, can satisfactorily withstand for the total operating time of that device under
specified conditions of use and behaviour
NOTE 1 For the purpose of this standard, the short-circuit protective device is generally a RCBO or a fuse.
NOTE 2 This definition differs from IEV 441-17-20 by broadening the concept of current limiting device into a short-
circuit protective device, the function of which is not only to limit the current.
(2.5.29 of EN 60947-1)
3.4.15.9
rated conditional short-circuit current I
nc
value of prospective current, stated by the manufacturer, which the equipment, protected by a
short-circuit protective device specified by the manufacturer, can withstand satisfactorily for
the operating time of this device under the test conditions in the relevant product standard
(4.3.6.4 of EN 60947-1).
– 7 – EN 61009-1:2004
Clause Common modifications
3.Z1 Add a new subclause:
3.Z1  Definitions related to insulation co-ordination
3.Z1.1
insulation co-ordination
the mutual correlation of insulation characteristics of electrical equipment taking into account
the expected micro-environment and the influencing stresses
(1.3.1 of IEC 60664-1)
3.Z1.2
working voltage
the highest r.m.s. value of the a.c. or d.c. voltage across any particular insulation which can
occur when the equipment is supplied at rated voltage
(1.3.5 of IEC 60664-1)
NOTE 1 Transients are disregarded.
NOTE 2 Both open circuit conditions and normal operating conditions are taken into account.
3.Z1.3
overvoltage
any voltage having a peak value exceeding the corresponding peak value of maximum
steady-state voltage at normal operating conditions
(1.3.7 of IEC 60664-1)
3.Z1.4
impulse withstand voltage
the highest peak value of impulse voltage of prescribed form and polarity, which does not
cause breakdown of the insulation under specific conditions
(1.3.8.1 of IEC 60664-1)
3.Z1.5
overvoltage category
a numeral defining a transient overvoltage condition
(1.3.10 of IEC 60664-1)
3.Z1.6
macro-environment
the environment of the room or other location, in which the equipment is installed or used
3.Z1.7
micro-environment
the immediate environment of the insulation which particularly influences the dimensioning of
the creepage distances
(1.3.12.2 of IEC 60664-1)
3.Z1.8
pollution
any addition of foreign matter, solid, liquid or gaseous that can result in a reduction of electric
strength or surface resistivity of the insulation
(1.3.11 of IEC 60664-1)
3.Z1.9
pollution degree
a numeral characterising the expected pollution of the micro-environment
(1.3.13 of IEC 60664-1)
NOTE The pollution degree to which equipment is exposed may be different from that of the macro-environment
where the equipment is located because of protection offered by means such as an enclosure or internal heating to
prevent absorption or condensation of moisture.

Clause Common modifications
3.Z1.10
isolation (isolating function)
function intended to cut off the supply from the whole installation or a discrete section of it by
separating it from every source of electrical energy for reasons of safety
(3.6.10 of EN 60898-1)
3.Z1.11
isolating distance
the clearance between open contacts, meeting the safety requirements specified for isolation
purposes
(3.6.11 of EN 60898-1)
3.Z1.12
clearance (see Annex B)
shortest distance in air between two conductive parts along a string stretched the shortest
way between these conductive parts
(IEV 441-17-31)
NOTE For the purpose of determining a clearance to accessible parts, the accessible surface of an insulating
enclosure shall be considered conductive as if it was covered by a metal foil wherever it can be touched by a hand or
a standard test finger according to Figure 9.
3.Z1.13
creepage distance (see Annex B)
shortest distance along the surface of an insulating material between two conductive parts.
NOTE For the purpose of determining a creepage distance to accessible parts, the accessible surface of an
insulating enclosure shall be considered conductive as if it was covered by a metal foil wherever it can be touched by
a hand or a standard test finger according to Figure 9.
3.4.19
Delete
3.4.20
Delete
3.6.Z1
Add the following new definition:
3.6.Z1
plug-in terminal
terminal the electrical connection and disconnection of which can be effected without
displacing the conductors of the corresponding circuit. The connection is effected without the
use of a tool and is provided by the resilience of the fixed and/or moving parts and/or by
springs
4.1 Replace the note by the following specification:
The selection of the various types is made according to HD 384 and non-conflicting national
wiring rules. Table Z1 lists the types of RCBOs according to the various applications but does
not exclude the use of RCBOs of any classification for protection over and above that required
by the relevant wiring rules.
Add the following table:
Table Z1 – Survey of the types of RCBOs according to their method of operation
Classification 4.1.1 4.1.2.2a) 4.1.2.1 b) 4.1.2.2b)
Marking of use Without E1 E2 E3
a a b
Protection Indirect contact and Indirect contact and Additional protection Additional protection
a a
additional protection additional protection
c
Service continuity Yes Yes No Yes
a
Additional protection, provided only for RCBOs with I ≤ 0,03 A .
Δn
b
Only devices integrated in one unit with a socket-outlet or designed exclusively for being associated locally with a socket outlet in
a same mounting box.
c
This information is given for guidance only.

– 9 – EN 61009-1:2004
Clause Common modifications
4.1.2.1 Replace item a) by: "Deleted".
Add after b):
RCBOs of type 4.1.2.1b) shall comply with the relevant requirements of 8.12.
4.1.2.2a) Replace the final sentence in brackets by "(additional requirements are under consideration)".
4.1.2.2b) Delete the note.
4.2 Replace the text by "Deleted".
4.3 Delete:
– single-pole RCBO with one overcurrent protected pole and uninterrupted neutral (see
3.3.16) (two current paths)
– three-pole RCBO with three overcurrent protected poles and uninterrupted neutral (four
current paths).
4.4 Replace the text by 'Deleted'
4.12 Replace the text by:
RCBOs of B-type and C-type, having rated current up to and including 40 A and having short-
circuit breaking capacity of 3 000 A, 4 500 A, 6 000 A and 10 000 A, may be classified
according to the limits within which their I²t characteristics lie, measured according to 9.12.6
(see Annex ZD).
4.Z1 Add the following new subclause:
4.Z1 According to the range of ambient air temperature
– RCBOs for use at ambient air temperatures between -5 °C and +40 °C;
– RCBOs for use at ambient air temperatures between -25 °C and +40 °C.
5.1 Delete the first dashed item.
Add the following item to the list of common characteristics:
– ranges of ambient air temperature (see 5.3.Z1)
5.2.1.Z1 Add:
5.2.1.Z1 Rated impulse withstand voltage (U )
imp
The rated impulse withstand voltage of an RCBO shall be equal to or higher than the standard
values of rated impulse withstand voltage given in 5.3.Z2.
5.2.3 Delete the note.
5.2.7 Replace the last line by:
The conditions are those specified in 9.12.11.4d)
5.2.9.3 Delete.
5.3.1 Replace "preferred" by "standard" (twice).
Replace the Table by:
RCBOs Circuit supplying the RCBO Rated voltage of RCBOs for
use in systems
230 V, 230 V/400 V, 400 V
Single phase 230 V
(phase to neutral or phase to phase)
Two-pole
Single phase (phase to phase) 400 V
Three phase (4-wire) 230 V
Three-pole Three phase (3-wire) 400 V
Four-pole Three phase (4-wire) 400 V

Clause Common modifications
5.3.2 Delete in the second line the value 8 A.
5.3.3 Delete the value “0,006”.
5.3.5 Replace the title by "Values of rated frequency".
Replace the text by:
The preferred value of rated frequency is 50 Hz.
5.3.6 Replace the subclause title by:
5.3.6 Values of rated short-circuit capacity (I ) and of rated residual making and
cn
breaking capacity (I )
Δm
NOTE 1  For test voltages to check the insulation, see 9.20.
NOTE 2  For test voltages to check the isolation distance across open contacts, see Table Z2.
5.3.6.1 Replace the first sentence by:
Standard values of rated short-circuit capacity and of rated residual making and breaking
capacity are given in Table 1. The values of I and I may be different on the same product.
cn Δm
Replace Table 1 and the subsequent footnote by:

Table 1 - Standard values of rated short-circuit capacity and of
the rated residual making and breaking capacity
1 500 A (*)
3 000 A
4 500 A
6 000 A
10 000 A
(*) Only for RCBOs integrated in one unit with a socket outlet or designed exclusively for being associated locally with
a socket outlet in the same mounting box.
5.3.7 Delete.
5.3.9 Table 3:
Replace “50 I ” by “20 I ”.
n n
5.3.Z1 Add the following new subclause:
5.3.Z1 Standard ranges of ambient air temperature
The standard ranges of ambient air temperature are:
– -5 °C to +40 °C
– -25 °C to +40 °C
5.3.Z2 Add the following new subclause:
5.3.Z2 Standard values of rated impulse withstand voltage (U )
imp
Standard value of the rated impulse voltage (U ) is 4 kV.
imp
NOTE  For test voltages to check the isolation distance across open contacts, see Table Z2.
The text of Clause 6 become 6.Z1 with the following modifications:
6.Z1 Standard marking
c) Add "with the symbol ~"
f) Add "(I ) in A or mA"
Δn
g) Replace the text by "Deleted"

– 11 – EN 61009-1:2004
Clause Common modifications
Replace item h) by:
h) rated short-circuit capacity, in amperes in a rectangle without symbol "A";
m) Add "(I )" between "capacity" and ", if different from." and add "(I )" at the end
Δm cn
Replace item o) by:
o) symbol of the method of operation according to Table Z1 of 4.1 if the RCBO is functionally
dependent on the line voltage;
r) Add "unless the correct mode of connection is evident"
Add the following items:
t) Energy limiting class in a square in accordance with Annex ZD, if applied. I and the
cn
energy limiting class, when applicable, shall both be on the device and combined together;
u) RCBO according to 4.Z1 shall be marked with the symbol (the value -25 included in

the snow flake symbol according to Figure 0027 of ISO 7000) if relevant

In the second paragraph after u):
Replace "under d), f), and n)” by "under d), f), n), q) and s) (for type A only)".
Replace "under a), b), c) and h)" by "under a), b), c), h), l), o), r), s) (for type AC only),
t) and u)”.
Replace "The information under r)" by: "Alternatively, information under o) and r)”.
Add between the second and third paragraph after u):
If a degree of protection higher than IP20 is marked on the device, it shall comply with it,
whichever the method of installation. If the higher degree of protection is obtained only by a
specific method of installation and/or with the use of specific accessories (e.g. terminal covers,
enclosures, etc.), this shall be specified in the manufacturer's literature.
Add at the end:
The suitability for isolation, which is provided by all RCBOs of this standard, may be indicated
by the symbol on the device. When affixed, this marking may be included in a
wiring diagram, where it may be combined with symbols of other functions, (e.g. overload
protection, or other symbols of IEC TC 3). When the symbol is used on its own (i.e. not in a
wiring diagram), combination with symbols of other functions is not allowed.
Specifications on appropriate recommendations to the user to regularly operate the test device
are under consideration.
6.Z2
Add the following new subclause:
6.Z2 Additional marking
Additional marking to other standards (EN or IEC or other) is allowed under the following
conditions:
– the RCBO shall comply with all the requirements of the additional standard.
– the relevant standard to which the additional marking refers shall be indicated adjacent to
this marking and shall be clearly differentiated or separated from the standard marking
according to 6.Z1.
Compliance is checked by inspection and by carrying out all the test sequences required by
the relevant standard. Equivalent or less severe test sequences need not be repeated.
6.Z3 Add the following new subclause:

6.Z3 Guidance table for marking

Marking and other product information Marking shall be on the RCBO itself Product information
in the catalogue
If, for small devices the space This information may be Alternatively the Any remaining

available does not allow all marked on the side or on information may be on information not
Each RCBO shall be marked in a durable manner with all or,
the above data to be marked, the back of the device the inside of any cover marked shall be given
for small apparatus, part of the following data:
at least this information shall and be visible only before which has to be in the manufacturer's
The minimum requirements are indicated by the symbol "X"
be marked and visible when the device is installed. removed in order to catalogues.
the device is installed. connect the supply
wires.
a) X
the manufacturer's name or trademark;
b) type designation, catalogue number or serial number; X
c) rated voltage(s) with the symbol ~; X
d) rated current without symbol "A", preceded by the symbol of overcurrent instantaneous X
tripping (B, C or D),for example B16
e) rated frequency, if the RCBO is designed only for one frequency (see 5.3.5)  X
f) X
rated residual operating current (I )in A or in mA
Δn
h) rated short circuit capacity, in amperes in a rectangle without symbol "A" X(*)
j) reference calibration temperature, if different from 30 °C   X
k) the degree of protection (only if different from IP20);  X
l) the position of use (symbol according to IEC 60051), if necessary; X
m)  X
rated residual making and breaking capacity (I ), if different from rated short-circuit
Δm
capacity (I )
cn
n) X
S
the symbol   ( (S in a square) for type S devices;
o) indication that the RCBO is functionally dependent on line voltage, if applicable  X X
q) operating means of the test device, by the letter T; X
r) wiring diagram unless the correct mode of operation is evident, X X
operating characteristic in presence of residual currents with d.c. components
s)
- RCBOs of type AC with the symbol
X
X
- RCBOs of type A with the symbol
t) Energy limiting class (e.g. 3 ) in a square in accordance with Annex ZD if applied X(*)
RCBOs according to 4.Z1 shall be marked with the symbol (snowflake enclosing -25) if
u) X
relevant
Indication of the terminal for the neutral with "N"  X
Additional marking of performance to other standards X
(*) Icn and the energy limiting class shall be on the device and combined together
NOTE  Specifications on appropriate recommendations to the user to regularly operate the test device are under consideration.

– 13 – EN 61009-1:2004
Clause Common modifications
2)
7.1 In Table 4, second column, add to "-5° C to +40 °C " in the same box, the range "-25 °C to
2)
+40 °C ”.
Modify footnote 7) to read:
7) Extreme limits of -20 °C and 60°'C, for RCBOs for use in the range of –5 °C to +40 °C and of –35 °C and 60 °C,
for RCBOs for use in the range of –25 °C to +40 °C, are admissible during storage and transportation. These
conditions should be taken into account in the design of the device.
8)
In Table 4, second column, after "2 000 m", add a footnote reference " "
Add footnote 8) as follows:
8) For installations at higher altitudes, it is necessary to take into account the reduction of the dielectric strength and
of the cooling effect of the air. RCBOs intended to be so used shall be designed specially or used according to
an agreement between manufacturer and user. Information given in the manufacturer's catalogue may take the
place of such an agreement.
7.Z1 Add the following new subclause:
7.Z1 Pollution degree
RCBOs to this standard are intended for environment with pollution degree 2, i.e.: normally,
only non-conductive pollution occurs; occasionally, however, a temporary conductivity caused
by condensation may be expected.
8.1.2 Replace the first and the second paragraph by:
The moving contacts of all poles of multipole RCBOs shall be so mechanically coupled that all
poles, except the switched neutral, if any, make and break substantially together, whether
operated manually or automatically, even if an overload occurs on one protected pole only.
The switched neutral pole (see 3.3.15.3) of four-pole RCBOs shall not close after and shall not
open before the protected poles.
Compliance is checked by inspection and by manual test, using any appropriate means (e.g.
indicator lights, oscilloscope, etc.).
Add after the sixth paragraph:
RCBOs shall provide in the open position (see 3.3.14) an isolation distance in accordance with
the requirements necessary to satisfy the isolating function (see 8.3). Indication of the open
and closed position of the main contacts shall be provided by one or both of the following
means:
– the position of the actuator (this being preferred), or
– a separate mechanical indicator.
If a separate mechanical indicator is used to indicate the position of the main contacts, this
shall show the colour red for the closed position (ON) and the colour green for the open -
position (OFF).
The means of indication of the contact position shall be reliable.
Compliance is checked by inspection and by the tests of 9.9.2.2 a)
RCBOs shall be designed so that the actuator, front plate or cover can only be correctly fitted
in a manner which ensures correct indication of the contact position.
Compliance is checked by inspection and by the tests of 9.12.12.1 and 9.12.12.2
When means are provided or specified by the manufacturer to lock the operating means in the
open position, locking in that position shall only be possible when the main contacts are in the
open position.
NOTE  Locking of the operating means in the ON position is permitted for particular applications.
Compliance is checked by inspection, taking into account the instructions of the manufacturer.
Delete the ninth paragraph and the relevant note.
Delete the last note.
Clause Common modifications
8.1.3 Replace 8.1.3 by:
8.1.3 Clearances and creepage distances
The minimum required clearances and creepage distances are given in Table 5 which is
based on the RCBO being designed for operating in an environment with pollution degree 2.
However, the clearances of item 2, 4 and 5 may be reduced provided that the tests at rated
impulse voltage are withstood.
The insulating materials are classified into Material Groups on the basis of their comparative
tracking index (CTI) according to 2.7.1.1 and 2.7.1.3 of IEC 60664-1 and measured according
to IEC 60112.
Replace Table 5 by the following table:

– 15 – EN 61009-1:2004
Table 5 – Minimum clearances for U 4 KV and creepage distances
imp
e), f)
Minimum Minimum creepage distances
clearances
mm mm
h)
Group IIIa Group II Group I
d) d) d)
(175V ≤ CTI < 400 V) (400V ≤ CTI < 600V) (600V ≤ CTI )
e)
Rated voltage Working voltage
V V
Description 230 V/400 V 120 250 400 120 250 400 120 250 400
>25 >25 >25
i) i) i)
230 V
≤50 ≤50 ≤50
400 V
1. between live parts which are 4,0 1,2 2,0 4,0 4,0 0,9 2,0 4,0 4,0 0,6 2,0 4,0 4,0
separated when the main
contacts are in the open
a)
position
2. between live parts of different 3,0 1,2 1,5 3,0 4,0 0,9 1,5 3,0 3,0 0,6 1,5 3,0 3,0
a)
polarity
3. between circuits supplied from 8,0 3,0 6,0 8,0 3,0 6,0 8,0 3,0 6,0 8,0
different sources, one of which
g)
being PELV or SELV
Rated voltage
V
230 - 400 230 - 400 230 - 400
4. between live parts and
- accessible surfaces of –
operating means
– screws or other means for
fixing covers which have to be
removed when mounting the
RCBO
– surface on which the RCBO
b)
is mounted
– screws or other means for
b)
fixing the RCBO
b)
– metal covers or boxes
3,0 4,0 3,0 3,0
c)
– other accessible metal parts

– metal frames supporting flush-

type RCBOs
5. between metal parts of the
mechanism and:
c)
– accessible metal parts –
– screws or other means for
fixing the RCBO
– metal frames supporting flush-

type RCBOs
a) For auxiliary and control contacts the values are given in the relevant standard.
b) The values are doubled if clearances and creepage distances between live parts of the device and the metallic screen or the surface on
which the RCBO is mounted are not dependent on the design of the RCBO only, so that they can be reduced when the RCBO is mounted in
the most unfavourable condition.
c) Including a metal foil in contact with the surfaces of insulating material which are accessible after installation as for normal use. The foil is
pushed into corners, grooves, etc., by means of a straight unjointed test finger according to 9.6 (see Figure 3).
d) See IEC 60112.
e) Interpolation is allowed in determining creepage distances corresponding to voltage values intermediate to those listed as working voltage.
For determination of creepage distances see Annex B.
f) Creepage distances cannot be less than the associated clearances.
g) To cover all different voltages including ELV in an auxiliary contact.
h) For material group IIIb (100 V ≤ CTI < 175 V) the values for material group IIIa multiplied by 1,6 apply.
i) For working voltages up to and including 25 V reference may be made to IEC 60664-1.
NOTE 1 The values given for 400 V are also valid for 440 V.
NOTE 2 The parts of the neutral path, if any, are considered to be live parts.
NOTE 3 Care should be taken to provide adequate clearances and creepage distances between live parts of different polarity of
RCBOs, e.g. of the plug-in type mounted close to one another.

Clause Common modifications
8.1.5.2 Delete the note after Table 6.
8.1.Z1 Add the following new subclause:
8.1.Z1 Mechanical mounting of plug-in type RCBOs
The mechanical mounting of plug-in type RCBOs shall be reliable and have adequate stability.
8.1.Z1.1 Plug-in type RCBOs, the holding in position of which does not depend solely
on their plug-in connection(s)
Compliance of the mechanical mounting is checked by the relevant tests of 9.13.
Add the following new subclause:
8.1.Z1.2 Plug-in type RCBOs, the holding in position of which depends solely on their
plug-in connection(s)
Compliance of the mechanical mounting is checked by the relevant tests of 9.13.
8.3 Replace 8.3 by:
8.3 Dielectric properties and isolating capability
RCBOs shall have adequate dielectric properties and shall ensure isolation.
Control circuits connected to the main circuit shall not be damaged by high d.c. voltage due to
insulating measurements which are carried out after RCBOs are installed.
8.3.Z1 Dielectric strength at power frequency
RCBOs shall have adequate dielectric properties at power frequency.
Compliance is checked by the tests of 9.7.1, 9.7.2, 9.7.3 and 9.7.4 (if applicable).
Moreover, after the endurance tests of 9.10 and after the short-circuit tests of 9.12, the
RCBOs shall withstand the test of 9.7.3 but at the reduced test voltage specified in 9.10.3 and
9.12.12.2 respectively and without the previous humidity treatment of 9.7.1.
8.3.Z2 Isolating capability
RCBOs shall be suitable for isolation.
Compliance is checked by the verification of compliance with the minimum clearances and
creepage distances of item 1 of Table 5 of 8.1.3 and by the tests of 9.7.Z1.1 and 9.7.Z1.2.
8.3.Z3 Dielectric strength at rated impulse withstand voltage (U )
imp
RCBOs shall adequately withstand impulse voltages.
Compliance is checked by the tests of 9.20.
8.5.2.1 Table 8, replace test d by:

d B 3 I Cold*) 0,1 < t < 45 s (I ≤ 32 A) Current established
n n
by closing an
0,1 < t < 90 s (I > 32 A)
n
auxiliary switch
0,1 < t < 15 s (I ≤ 32 A)
n
C 5 I Tripping
n
0,1 < t < 30 s (I > 32 A)
n
0,1 < t < 4 s **(I ≤ 32 A)
n
D 10 I
n
0,1 < t < 8 s (I > 32 A)
n
Table 8, test e, replace “50 I ” by “20 I ”.
n n
Table 8, add a footnote:
** For I ≤ 10 A, t < 8 s is permitted.
n
– 17 – EN 61009-1:2004
Clause Common modifications
8.11 Delete the third paragraph: "In the case of RCBOs having … shall be used."
8.12 Add at the end of the subclause:
Specific requirements for RCBOs classified in 4.1.2.2a) are under consideration.
8.Z1 Add the following new subclause:
8.Z1 Behaviour of RCBOs at low ambient air temperatures
RCBOs for use in the range of –25 °C to +40 °C (see 4.Z1) shall operate reliably at low
temperatures.
Compliance is checked by the tests of 9.Z1.
9.1.1 Add the following note before Table 10:
NOTE  To verify compliance of additional marking to 6.Z2, if any, tests are carried out according to the relevant
standard.
In Table 10 replace the fifth dash by:
– Dielectric properties and isolating capability
In Table 10 add the following dashed item:
– Behaviour at low ambient air temperatures of RCBOs classified for use in the range of
-25 °C to +40 °C
and add correspondingly "9.Z1" in the column named "Subclause".
9.2 Delete the note after Table 11.
9.5.3 Table 14, replace the two occurrences of “under consideration” respectively by “19” and
“1,83”.
9.7 Amend the title to read:
9.7 Test of dielectric properties and isolating capability
9.7.2 In the second line of Item b) replace “current paths” by poles”.
Add after b):
NOTE  To this purpose samples specially prepared by the manufacturer should be submitted to the test sequences
implying this test.
9.7.3 In the first paragraph, delete “electronic components, if any, being disconnected for the test.”.
Replace the first dashed line by
– 2 000 V for a) to d) of 9.7.2, electronic components, if any, having been disconnected for
test b) (see relevant note on 9.7.2 b);
9.7.Z1 Add a new subclause:
9.7.Z1 Verification of impulse withstand voltages (across clearances and across
solid insulation) and of leakage current across open contacts
9.7.Z1.1 Verification of impulse withstand voltage across the open contacts
(suitability for isolation)
The test is carried out on a RCBO fixed on a metal support.
The impulses are given by a generator producing positive and negative impulses having a
front time of 1,2 µs, and a time to half-value of 50 µs, the tolerances being
- ± 5 % for the peak value;
- ± 30 % for the front time;
- ± 20 % for the time to half-value.
The surge impedance of the test apparatus shall have a nominal value of 500 Ω.
The shape of the impulses
...