EN 61008-1:2004

SLOVENSKI SIST EN 61008-1:2005

STANDARD
junij 2005
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gospodinjsko in podobno rabo (RCCB's) – 1. del: Splošna pravila (IEC 61008-
1:1996 + A1:2002, spremenjen)
Residual current operated circuit-breakers without integral overcurrent protection for
household and similar uses (RCCB's) - Part 1: General rules (IEC 61008-1:1996 +
A1:2002, modified)
ICS 5HIHUHQþQDãWHYLOND
29.120.50
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EUROPEAN STANDARD EN 61008-1
NORME EUROPÉENNE
EUROPÄISCHE NORM September 2004

ICS 29.120.50 Supersedes EN 61008-1:1994 + A2:1995 + A11:1995 + A12:1998
+ A13:1998 + A14:1998 + A17:2000

English version
Residual current operated circuit-breakers
without integral overcurrent protection
for household and similar uses (RCCB's)
Part 1: General rules
(IEC 61008-1:1996 + A1:2002, modified)

Interrupteurs automatiques  Fehlerstrom-/Differenzstrom-
à courant différentiel résiduel Schutzschalter ohne eingebauten
pour usages domestiques et analogues Überstromschutz (RCCBs)
sans dispositif de protection contre les für Hausinstallationen und
surintensités incorporées (ID) für ähnliche Anwendungen
Partie 1: Règles générales Teil 1: Allgemeine Anforderungen
(CEI 61008-1:1996 + A1:2002, modifiée) (IEC 61008-1:1996 + 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 61008-1:2004 E
Foreword
The text of the International Standard IEC 61008-1:1996 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 61008-1 on 2004-03-16.

This European Standard supersedes EN 61008-1:1994 + corrigendum Dec. 1997 + A2:1995 +
A2:1995/corrigendum Dec. 1997 + A11:1995 + A11:1995/corrigendum Dec. 1997 + A12:1998 +
A12:1998/corrigendum Apr. 1998 + A13:1998 + A14:1998 + A17:2000.

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 61008-1 are prefixed
with the letter Z.
_________________
– 3 – EN 61008-1:2004
Endorsement notice
The text of the International Standard IEC 61000-8-1:1996 + A1:2002 was approved by CENELEC as a
European Standard with agreed common modifications as given below.
Clause Common modification
Contents Add:
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 ZZ (informative) Coverage of Essential Requirements of EC Directives

Table Z1 – Survey of the types of RCCBs according to their method of operation

Table Z2 – Test voltage across the open contacts for verifying the suitability for isolation,
referred to the altitude where the test is carried out
1 In the first paragraph in the last but one line add, after "not exceeding 125 A", the words "for
fixed installations".
Replace note 3 by:
RCCB's within the scope of this standard are intended for used in an environment pollution
degree 2. They are suitable for isolation.
Devices to this standard are suitable for use in IT systems if the requirements of the
installation rules are met.
Renumber the existing notes 4 through 6 to become notes 3 through 5.

Replace the second dashed indent after (the new) note 4 by:
– RCCBs integrated in one unit with a socket-outlet or designed exclusively for being
associated locally with a socket-outlet in the same mounting box.

Replace note 5 by:
NOTE 5 Until a specific EN for SRCDs is prepared and approved, for RCCBs 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.

Add at the end of the clause:
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 RCCBs,
b) the conditions with which RCCBs shall comply, with reference to
1) their operation and behaviour in normal service,
2) their operation and behaviour in case of short-circuits,
3) their operation under residual current conditions,
4) their dielectric properties,
5) EMC,
Clause Common modification
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 routine tests to be carried out on each RCCB 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 Replace "current paths" by "poles".
3.3.Z1 Add the following new definition:
3.3.Z1
plug-in RCCB
a RCCB having one or more plug-in terminals (see 3.6.Z1) and designed for use with
appropriate means for the plug-in connection
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
3.7 Delete 3.7.6 and 3.7.7.
3.Z1 After 3.8, add the following new definitions:
3.Z1 Definitions related to insulation coordination
3.Z1.1
insulation coordination
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)
– 5 – EN 61008-1:2004
Clause Common modification
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
(1.3.12.1 of IEC 60664-1)
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.
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 IEC 60898-1)
3.Z1.11
isolating distance
the clearance between open contacts, meeting the safety requirements specified for isolation
purposes
(3.6.11 of IEC 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
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 3.
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 3.

Clause Common modification
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 RCCBs according to the various applications but
does not exclude the use of RCCBs of any classification for protection over and above that
required by the relevant wiring rules.
Add:
Table Z1 – Survey of the types of RCCBs 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 RCCBs 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.

4.1.2.1 Replace item a) by "deleted".
Add, after b):
RCCBs of type 4.1.2.1b) shall comply with the relevant requirements of 8.12.
4.1.2.2 Delete the note.
4.1.2.2a) Replace the text in brackets by "(additional requirements are under consideration)".
4.2 Replace the text by "Deleted".
4.3 Delete "single-pole RCCB with two current paths;" and "three-pole RCCB with four current
paths;".
4.4 Replace the text by "Deleted".
4.Z1 Add the following new subclause:
4.Z1 According to the range of ambient air temperature
– RCCBs for use at ambient air temperatures between -5 °C and +40 °C;
– RCCBs 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:
– 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 RCCB 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.
5.3.1 Replace "preferred" by "standard" (twice).

– 7 – EN 61008-1:2004
Clause Common modification
Replace the Table by:
RCCBs Circuit supplying the RCCB Rated voltage
Two-pole with two current path Single phase, phase to neutral or phase to 230 V
phase
Single phase, phase to phase 400 V
Three-pole with three current Three phase (3-wire) 400 V
path
Four-pole Three phase (4-wire) 400 V

5.3.3 Delete the value "0,006 A".
5.3.7 Replace the first line by:
The preferred value of rated frequency is 50 Hz.
5.3.12 Replace, in the last but one line "9.22.1.1" by "9.21.1".
5.3.12 Table 1: replace "500 A" by " 500 A**"
Add the following note:
** The verification of the break times at these values is only made for the test of 9.9.2.3.
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 value of rated impulse withstand voltage (U )
imp
Standard value of the rated impulse voltag
...