IEC 61008-2-2:2024

Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part 2-2: RCCBs according to classification 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6

IEC 61008-2-2:2024 applies to residual current operated circuit-breakers, without integral overcurrent protection, for household and similar uses (hereafter referred to as RCCBs), classified according to IEC 61008-1:2024, 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6. RCCBs according to this document are intended for voltages not exceeding 440 V AC with frequencies of 50 Hz, 60 Hz or 50/60 Hz and currents not exceeding 125 A, intended principally for protection against shock hazard.
This second edition cancels and replaces the first edition published in 1990. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) harmonization of all clauses between the IEC 61008, IEC 61009 and IEC 60755 series using blocks and modules approach;
b) harmonization of all tables and figures between the IEC 61008, IEC 61009 and IEC 60755 series;
c) terms and definitions are now referred to IEC 62873-2;
d) modification of 4.1 for classification according to supply conditions;
e) modification of Clause 6 for markings of RCCBs with a functional earth (FE);
f) specific tests for operating characteristics of RCCBs according to classifications 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6;
g) specific test conditions for dielectric properties (9.7), temperature rise (9.8), electrical and mechanical endurance (9.10), short-circuit tests (9.11), verification of trip-free (9.15), behaviour in case of loss of the supply voltage (9.17), surge current tests (9.19), reliability (9.20), ageing (9.21) and temporary overvoltage (TOV) (9.24);
h) additional tests for RCCBs with a terminal connected to the FE: connecting capacity of FE terminal (9.200)and limitation of standing current in the FE (9.201).

Interrupteurs automatiques à courant différentiel résiduel sans dispositif de protection contre les surintensités incorporé pour usages domestiques et analogiques (ID) – Partie 2-2: ID conformes à la classification en 4.1.2, 4.1.3, 4.1.4, 4.1.5 et 4.1.6

L'IEC 61008-2-2:2024 s'applique aux interrupteurs automatiques à courant différentiel résiduel sans dispositif de protection contre les surintensités incorporé pour usages domestiques et analogues (ci-après appelés ID), classés conformément aux 4.1.2, 4.1.3, 4.1.4, 4.1.5 et 4.1.6 de l'IEC 61008-1:2024. Les ID conformes à ce document sont conçus pour des tensions inférieures ou égales à 440 V en courant alternatif avec une fréquence de 50 Hz, 60 Hz ou 50/60 Hz et des courants inférieurs ou égaux à 125 A, et sont destinés principalement à la protection contre les chocs électriques.
Cette deuxième édition annule et remplace la première édition parue en 1990. Cette édition constitue une révision technique.
Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) harmonisation de tous les articles entre les séries IEC 61008, IEC 61009 et IEC 60755 par une approche fondée sur les blocs et les modules;
b) harmonisation de tous les tableaux et figures entre les séries IEC 61008, IEC 61009 et IEC 60755;
c) les termes et définitions renvoient désormais à l'IEC 62873-2;
d) modification du 4.1 relatif à la classification selon les conditions d'alimentation;
e) modification de l'Article 6 relatif aux marquages des ID qui comportent une terre fonctionnelle (FE);
f) essais spécifiques pour les caractéristiques de fonctionnement des ID conformes à la classification en 4.1.2, 4.1.3, 4.1.4, 4.1.5 et 4.1.6;
g) conditions d'essai spécifiques pour les propriétés diélectriques (9.7), l'échauffement (9.8), endurance mécanique et électrique (9.10), essais de court-circuit (9.11), vérification du déclenchement libre (9.15), comportement en cas de perte de la tension d'alimentation (9.17), essais de courant de choc (9.19), la fiabilité (9.20), vieillissement (9.21) et surtension temporaire (TOV) (9.24);
h) essais supplémentaires pour les ID qui comportent une borne connectée à la FE: capacité de connexion à la borne de FE (9.200) et limitation du courant permanent dans la FE (9.201).

General Information

• Status: Published
• Publication Date: 20-Nov-2024
• ICS: 29.120.50 - Fuses and other overcurrent protection devices
• Technical Committee: SC 23E - Circuit-breakers and similar equipment for household use
• Drafting Committee: WG 2 - TC 23/SC 23E/WG 2
• Current Stage: PPUB - Publication issued
• Start Date: 06-Dec-2024
• Completion Date: 21-Nov-2024

Standards Content (Sample)

IEC 61008-2-2 ®
Edition 2.0 2024-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Residual current operated circuit-breakers without integral overcurrent
protection for household and similar uses (RCCBs) –
Part 2-2: RCCBs according to classification 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6

Interrupteurs automatiques à courant différentiel résiduel sans dispositif de
protection contre les surintensités incorporé pour usages domestiques et
analogiques (ID) –
Partie 2-2: ID conformes à la classification en 4.1.2, 4.1.3, 4.1.4, 4.1.5 et 4.1.6
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IEC 61008-2-2 ®
Edition 2.0 2024-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Residual current operated circuit-breakers without integral overcurrent

protection for household and similar uses (RCCBs) –

Part 2-2: RCCBs according to classification 4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6

Interrupteurs automatiques à courant différentiel résiduel sans dispositif de

protection contre les surintensités incorporé pour usages domestiques et

analogiques (ID) –
Partie 2-2: ID conformes à la classification en 4.1.2, 4.1.3, 4.1.4, 4.1.5 et 4.1.6

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.120.50  ISBN 978-2-8327-0009-9

– 2 – IEC 61008-2-2:2024 © IEC 2024
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Classification . 7
4.1 According to the supply conditions . 7
5 Characteristics of RCCBs . 8
5.1 Summary of characteristics . 8
5.2 Rated quantities and other characteristics . 8
5.3 Standard and preferred values . 8
6 Marking and other product information . 8
7 Standard conditions for operation in service and for installation . 9
8 Requirements for construction and operation . 9
9 Tests . 11
9.1 General . 11
Annex A (normative) Test sequence and number of samples to be submitted for
certification purposes . 32
A.1 Test sequences . 32
A.2 Number of samples to be submitted for full test procedure . 33
A.3 Number of samples to be submitted for simplified test procedures if submitting
simultaneously a range of RCCBs of the same fundamental design . 34
Annex D (normative) Routine tests . 38
D.3 Dielectric strength test . 38
Bibliography . 39

Figure 22 – Example for test circuit for verification of ageing of electronic components . 24
Figure 26 – Gauges of Form A and Form B . 24
Figure 28 – Test circuit for the verification of operating characteristics and trip-free
mechanism for RCCB classified according to 4.1.2 to 4.1.6 . 25
Figure 29 – Test circuit for the verification of the correct operation in the event of
residual pulsating direct currents . 26
Figure 30 – Test circuit for the verification of the correct operation in the event of
residual pulsating direct currents in the presence of a standing smooth direct current of
0,006 A . 27
Figure 31 – Test circuit for verification of the standing current in the FE . 28
Figure 33 – Typical diagram for all short circuit tests except for 9.11.2.3 c) for RCCBs
according to 4.1.3 . 30
Figure 34 – Typical diagram for short circuit tests according to 9.11.2.3 c) for RCCBs
according to 4.1.3 . 31

Table 33 – Requirements for RCCBs classified according to 4.1.2 to 4.1.6 . 23
Table 200 – Gauges for the verification of the rated connecting capacity
of the FE terminal . 23
Table 201 – Additional withstand values and duration of temporary overvoltages for
RCCBs classified according to 4.1.3 . 23

Table A.1 – Test sequences . 32
Table A.2 – Number of samples for full test procedure . 34
Table A.3 – Number of samples for simplified test procedure . 35
Table A.4 – Test sequences for RCCBs of different classification according to
IEC 61008-1:2024, 4.3 . 37

– 4 – IEC 61008-2-2:2024 © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS
WITHOUT INTEGRAL OVERCURRENT PROTECTION
FOR HOUSEHOLD AND SIMILAR USES (RCCBs) –

Part 2-2: RCCBs according to classification
4.1.2, 4.1.3, 4.1.4, 4.1.5 and 4.1.6

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