prEN IEC 61008-2-1:2026/prAA:2026
(Amendment)Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part 2-1: RCCBs according to classification 4.1.1
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part 2-1: RCCBs according to classification 4.1.1
IEC 61008-1:2024, Clause 1 is applicable except for the first paragraph, which is replaced by the first paragraph below, and the last paragraph, which is replaced by the second paragraph below: This part of IEC 61008 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, 4.1.1. 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 document applies in conjunction with IEC 61008-1:2024. It specifies requirements, tests and test sequences to verify compliance and is used for certification purposes.
Fehlerstrom-/Differenzstrom-Schutzschalter ohne eingebauten Überstromschutz für Hausinstallationen und für ähnliche Anwendungen (RCCBs) - Teil 2-1: RCCBs nach Klassifikation 4.1.1
Interrupteurs automatiques à courant différentiel résiduel sans dispositif de protection contre les surintensités incorporé pour usages domestiques et analogiques (ID) - Partie 2-1: ID conformes à la classification en 4.1.1
Odklopniki na preostali (residualni) tok brez vgrajene nadtokovne zaščite za gospodinjsko in podobno rabo (RCCB's) - 2-1. del: Odklopniki na preostali (residualni) tok brez vgrajene nadtokovne zaščite v skladu s klasifikacijo 4.1.1
General Information
- Status
- Not Published
- Publication Date
- 12-Aug-2027
- Technical Committee
- CLC/TC 23E - Circuit breakers and similar devices for household and similar applications
- Drafting Committee
- CLC/TC 23E/WG 01 - Maintenance of TC23E standards
- Current Stage
- 4060 - Enquiry results established and sent to TC, SR, BTTF - Enquiry
- Start Date
- 24-Apr-2026
- Due Date
- 01-Jan-2027
- Completion Date
- 24-Apr-2026
Relations
- Effective Date
- 22-Jul-2025
Overview
prEN IEC 61008-2-1:2026/prAA:2026 is a draft European standard developed by the CLC for residual current operated circuit-breakers without integral overcurrent protection (RCCBs) intended for household and similar uses. This document specifically addresses RCCBs according to classification 4.1.1 of IEC 61008-1:2024. The standard is designed for RCCBs operating at voltages not exceeding 440 V AC and frequencies of 50 Hz, 60 Hz, or 50/60 Hz, with rated currents up to 125 A. Its primary emphasis is the protection against electric shock hazards in residential and similar environments.
This part serves as a complementary document to IEC 61008-1:2024. It outlines specific requirements, test procedures, and test sequences to verify RCCB compliance, particularly for functionalities related to operation at low ambient air temperatures. The standard is instrumental for manufacturers, testing agencies, and certification bodies in ensuring product reliability and safety.
Key Topics
- Scope and Application: Focuses on RCCBs for residential and similar settings, following classification 4.1.1 per IEC 61008-1:2024.
- Operating Conditions: Applies to devices running at ≤440 V AC and ≤125 A, with compatibility for various frequency ranges (50 Hz, 60 Hz, 50/60 Hz).
- Testing at Low Temperatures: Introduces specific requirements and test methods to ensure correct RCCB performance under extreme temperatures (–25 °C to +40 °C).
- Sample Size and Test Sequences: Details amendments to test circuits, sample numbers, and sequence tables, ensuring comprehensive product evaluation and reliability.
- Compliance and Certification: Clearly states use in conjunction with IEC 61008-1:2024 and serves as a certification benchmark for RCCBs.
Applications
The prEN IEC 61008-2-1:2026/prAA:2026 standard offers practical value across the electrical industry, particularly:
- Product Design and Development: Guides manufacturers in designing RCCBs that meet rigorous safety and reliability requirements, especially for use in severe climates.
- Testing and Certification: Provides testing agencies with prescriptive procedures and acceptance criteria, ensuring RCCBs’ operational integrity before market release.
- Installation and Inspection: Assists installers and field inspectors by defining performance benchmarks, supporting safe installation practices in both residential and similar settings.
- International Trade and Compliance: Facilitates market access by aligning RCCB products with harmonized European and international requirements, reducing certification barriers.
Related Standards
For comprehensive residual current device (RCD) safety and performance, consider the following associated standards:
- IEC 61008-1:2024: General rules for residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs).
- EN IEC 61543:2023: Electromagnetic compatibility requirements for residual current-operated protective devices.
- IEC 62873-2: Provides vocabulary and technical terms relating to RCDs for household and similar use.
- National Conformity Documents: Special national conditions may apply (e.g., Germany disallows use of RCCBs of type AC).
Summary
Adoption of prEN IEC 61008-2-1:2026/prAA:2026 ensures that RCCBs used in Europe’s households and similar environments deliver robust protection against electric shock, even in challenging temperature conditions. By adhering to this standard, stakeholders can guarantee product safety, compliance, and reliability, promoting both consumer confidence and international market acceptance.
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Frequently Asked Questions
prEN IEC 61008-2-1:2026/prAA:2026 is a draft published by CLC. Its full title is "Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) - Part 2-1: RCCBs according to classification 4.1.1". This standard covers: IEC 61008-1:2024, Clause 1 is applicable except for the first paragraph, which is replaced by the first paragraph below, and the last paragraph, which is replaced by the second paragraph below: This part of IEC 61008 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, 4.1.1. 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 document applies in conjunction with IEC 61008-1:2024. It specifies requirements, tests and test sequences to verify compliance and is used for certification purposes.
IEC 61008-1:2024, Clause 1 is applicable except for the first paragraph, which is replaced by the first paragraph below, and the last paragraph, which is replaced by the second paragraph below: This part of IEC 61008 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, 4.1.1. 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 document applies in conjunction with IEC 61008-1:2024. It specifies requirements, tests and test sequences to verify compliance and is used for certification purposes.
prEN IEC 61008-2-1:2026/prAA:2026 is classified under the following ICS (International Classification for Standards) categories: 29.120.50 - Fuses and other overcurrent protection devices. The ICS classification helps identify the subject area and facilitates finding related standards.
prEN IEC 61008-2-1:2026/prAA:2026 has the following relationships with other standards: It is inter standard links to prEN IEC 61008-2-1:2026. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
prEN IEC 61008-2-1:2026/prAA:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-februar-2026
Odklopniki na preostali (residualni) tok brez vgrajene nadtokovne zaščite za
gospodinjsko in podobno rabo (RCCB's) - 2-1. del: Odklopniki na preostali
(residualni) tok brez vgrajene nadtokovne zaščite v skladu s klasifikacijo 4.1.1
Residual current operated circuit-breakers without integral overcurrent protection for
household and similar uses (RCCBs) - Part 2-1: RCCBs according to classification 4.1.1
Fehlerstrom-/Differenzstrom-Schutzschalter ohne eingebauten Überstromschutz für
Hausinstallationen und für ähnliche Anwendungen (RCCBs) - Teil 2-1: RCCBs nach
Klassifikation 4.1.1
Interrupteurs automatiques à courant différentiel résiduel sans dispositif de protection
contre les surintensités incorporé pour usages domestiques et analogiques (ID) - Partie
2-1: ID conformes à la classification en 4.1.1
Ta slovenski standard je istoveten z: prEN IEC 61008-2-1:2026/prAA:2026
ICS:
29.120.50 Varovalke in druga Fuses and other overcurrent
nadtokovna zaščita protection devices
oSIST prEN IEC 61008-2- en
1:2026/oprAA:2026
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD DRAFT
prEN IEC 61008-2-1:2026
NORME EUROPÉENNE
EUROPÄISCHE NORM
prAA
January 2026
ICS 29.120.50 -
English Version
Residual current operated circuit-breakers without integral
overcurrent protection for household and similar uses (RCCBs) -
Part 2-1: RCCBs according to classification 4.1.1
Interrupteurs automatiques à courant différentiel résiduel Fehlerstrom-/Differenzstrom-Schutzschalter ohne
sans dispositif de protection contre les surintensités eingebauten Überstromschutz für Hausinstallationen und
incorporé pour usages domestiques et analogiques (ID) - für ähnliche Anwendungen (RCCBs) - Teil 2-1: RCCBs
Partie 2-1: ID conformes à la classification en 4.1.1 nach Klassifikation 4.1.1
This draft amendment prAA, if approved, will modify the European Standard prEN IEC 61008-2-1:2026; it is submitted to CENELEC
members for enquiry.
Deadline for CENELEC: 2026-04-24.
It has been drawn up by CLC/TC 23E.
If this draft becomes an amendment, CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this amendment the status of a national standard without any alteration.
This draft amendment was established by CENELEC 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 CEN-CENELEC Management Centre has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Project: 82332 Ref. No. prEN IEC 61008-2-1:2026/prAA:2026 E
Contents Page
European foreword . 3
1 Modification to 9.9.1.1, “Test circuit and test procedure” . 4
2 Modification to 9.15.1, “General test conditions” . 4
3 Addition of 9.Z1, “Verification of the correct operation at low ambient air temperatures for
RCCBs for use at temperatures between −25 °C and +40 °C” . 4
4 Modification to Figure 2, “Test circuit for the verification of operating characteristics, and
trip-free mechanism for RCCBs classified according to 4.1.1” . 5
5 Addition of Figure Z6, “Test cycle for low temperature test (9.Z1)”. 5
6 Modification to Table A.1, “Test sequences” . 5
7 Modification to Clause A.2, “Number of samples to be submitted for full test procedure” . 5
8 Modifications to Table A.2, “Number of samples for full test procedure” . 5
9 Modifications to Table A.3, “Number of samples for simplified test procedure” . 6
10 Modifications to Table A.4, “Test sequences for RCCBs of different classification
according to 4.3 of IEC 61008-1:2024” . 6
11 Addition of Annex ZA, “Normative references to international publications with their
corresponding European publications” . 6
12 Addition of Annex ZB, “Special National Conditions” . 7
European foreword
This document (prEN IEC 61008-2-1:2026/prAA:2026) has been prepared by CLC/TC 23E “Circuit breakers
and similar devices for household and similar applications”.
This document is currently submitted to the Enquiry.
The following dates are proposed:
• latest date by which the existence of this (doa) dav + 6 months
document has to be announced at national
level
• latest date by which this document has to be (dop) dav + 12 months
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) dav + 60 months (to
conflicting with this document have to be be confirmed or
withdrawn modified when voting)
This document is read in conjunction with prEN IEC 61008-2-1:2026.
This document includes the following significant technical modifications with respect to prEN
IEC 61008-2-1:2026:
— Only the essential common changes existing in EN 61008-2-1:1994 and all of its amendments and
corrigenda (if any) are maintained in this document.
1 Modification to 9.9.1.1, “Test circuit and test procedure”
Delete the last paragraph.
2 Modification to 9.15.1, “General test conditions”
Delete the 3rd paragraph.
3 Addition of 9.Z1, “Verification of the correct operation at low ambient air
temperatures for RCCBs for use at temperatures between −25 °C and +40 °C”
Add the following subclause:
“9.Z1 Verification of the correct operation at low ambient air temperatures for RCCBs for use at
temperatures between −25 °C and +40 °C
Enclosed-type RCCBs are tested in their enclosure, unenclosed-type RCCBs are mounted in an individual
enclosure with a degree of protection IP55, and are connected as for normal use (see Figure 2).
No drain hole in the enclosure shall be opened for this test.
NOTE RCCBs tested in enclosures IP55
...




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