EN IEC 60669-2-1:2022/A11:2022
(Amendment)Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements - Electronic control devices
Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements - Electronic control devices
To give requirements and tests for electronic control devices, a general term to cover electronic switches, HBES/BACS switches and electronic extension units. It applies to electronic switches and to HBES/BACS switches, for alternating current (AC) only with a rated switching voltage not exceeding 250 V and a rated current not exceeding 16 A, intended for household and similar fixed electrical installations, either indoors or outdoors. It also applies to electronic extension units with a rated supply voltage not exceeding 250 V AC and 120 V DC. This Part of IEC 60669 also applies to electronic control devices which include integrated radio receivers and transmitters.
Schalter für Haushalt und ähnliche ortsfeste elektrische Installationen - Teil 2-1: Besondere Anforderungen - Elektronische Schalter
Interrupteurs pour installations électriques fixes domestiques et analogues - Partie 2-1: Exigences particulières - Dispositifs de commande électronique
Stikala za gospodinjstva in podobne nepremične električne inštalacije - 2-1. del: Posebne zahteve - Elektronske kontrolne naprave - Dopolnilo A11
General Information
Relations
Overview
EN IEC 60669-2-1:2022/A11:2022 is an important European standard published by CLC (European Committee for Electrotechnical Standardization) that specifies particular requirements for electronic control devices used in household and similar fixed electrical installations. This amendment (A11) updates the general requirements and testing procedures for electronic switches, HBES/BACS switches, and electronic extension units operating on alternating current (AC) with a rated voltage up to 250 V and current up to 16 A. It also covers devices incorporating integrated radio receivers and transmitters.
This standard ensures safety, electromagnetic compatibility (EMC), and operational reliability for electronic control devices in fixed electrical installations, both indoors and outdoors, thus supporting product safety and compliance with European directives.
Key Topics
Scope and Application
Applies to electronic control devices designed for AC supply (up to 250 V/16 A), including electronic switches, HBES/BACS switches, and electronic extension units (up to 250 V AC and 120 V DC).
Incorporates devices with radio frequency (RF) components and digital technologies such as DLT (Digital Living Network Alliance Technology).Safety and Performance Tests
Detailed requirements for insulation resistance, electric strength, abnormal conditions, and component reliability such as capacitors and resistors are established to ensure safe operation under normal and fault conditions.Electromagnetic Compatibility (EMC)
The standard defines EMC requirements to guarantee proper device operation in real electromagnetic environments typical in household installations. Testing follows IEC 61000 series norms and specific ETSI standards for RF devices.
Includes criteria for radiated and conducted emissions, immunity to electromagnetic disturbances, and special considerations for devices using wireless or power-line transmission technologies.Radio Spectrum and RF Requirements
Electronic control devices with RF functions must comply with radio spectrum efficiency and emission limits defined by ETSI standards (e.g., EN 300 220, EN 300 328).
Provides guidelines for testing the operation of RF components to maintain compliance with European regulations on radio equipment.Documentation and Manufacturer Instructions
Manufacturers are required to provide detailed documentation regarding load specifications, testing conditions, and product instructions to ensure proper installation, use, and maintenance aligned with standard requirements.
Applications
Smart Home Installations
Facilitates the safe implementation of electronic switches and controls used in smart lighting systems, automated blinds, HVAC controls, and energy management solutions.Home and Building Automation
Supports HBES/BACS (Home and Building Electronic Systems / Building Automation and Control Systems) by defining requirements for switches that integrate advanced control and communication functionalities.Outdoor and Indoor Fixed Electrical Installations
Ensures that electronic control devices used in various environments meet safety and performance thresholds, extending applicability to outdoor settings under specified conditions.Radio Controlled Switches
Guarantees the compliance of switches with integrated radio receivers and transmitters ensuring interference resilience and regulatory conformity within crowded frequency bands.
Related Standards
- EN IEC 60669-1:2018 - General requirements for switches used in household and similar fixed electrical installations.
- IEC 61000 Series - Electromagnetic compatibility testing and immunity standards that influence device testing under this standard.
- ETSI EN 300 220, 328, 440, 301 489 series - Radio equipment standards applicable to electronic control devices with RF capabilities.
- IEC 60384-14 - Fixed capacitors for electromagnetic interference suppression.
- EN IEC 60670 series - Boxes and enclosures for electrical accessories.
- CISPR 14-1 and CISPR 15 - Standards for radio disturbance characteristics of household electrical appliances.
By adhering to EN IEC 60669-2-1:2022/A11:2022, manufacturers and installers ensure their electronic control devices meet harmonized European safety, functionality, and EMC requirements for household electrical switches, facilitating market access and enhancing user safety and device interoperability.
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2023
Stikala za gospodinjstva in podobne nepremične električne inštalacije - 2-1. del:
Posebne zahteve - Elektronske kontrolne naprave - Dopolnilo A11
Switches for household and similar fixed electrical installations - Part 2-1: Particular
requirements - Electronic control devices
Schalter für Haushalt und ähnliche ortsfeste elektrische Installationen - Teil 2-1:
Besondere Anforderungen - Elektronische Schalter
Interrupteurs pour installations électriques fixes domestiques et analogues - Partie 2-1:
Exigences particulières - Dispositifs de commande électronique
Ta slovenski standard je istoveten z: EN IEC 60669-2-1:2022/A11:2022
ICS:
29.120.40 Stikala Switches
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 60669-2-1:2022/A11
NORME EUROPÉENNE
EUROPÄISCHE NORM September 2022
ICS 29.120.40
English Version
Switches for household and similar fixed electrical installations -
Part 2-1: Particular requirements - Electronic control devices
Interrupteurs pour installations électriques fixes Schalter für Haushalt und ähnliche ortsfeste elektrische
domestiques et analogues - Partie 2-1: Exigences Installationen - Teil 2-1: Besondere Anforderungen -
particulières - Dispositifs de commande électronique Elektronische Schalter
This amendment A11 modifies the European Standard EN IEC 60669-2-1:2022; it was approved by CENELEC on 2022-07-12. 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.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This amendment 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 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.
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
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60669-2-1:2022/A11:2022 E
European foreword
This document EN IEC 60669-2-1:2022/A11:2022 has been prepared by CLC/TC 23BX “Switches, boxes and
enclosures for household and similar purposes, plugs and socket outlet for D.C.”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2023-07-12
implemented at national level by publication of
an identical national standard or by
endorsement
• latest date by which the national standards (dow) 2025-07-12
conflicting with this document have to be
withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document is read in conjunction with EN IEC 60669-2-1:2022.
This document has been prepared under a Standardization Request given to CENELEC by the European
Commission and the European Free Trade Association.
Any feedback and questions on this document should be directed to the users’ national committee. A complete
listing of these bodies can be found on the CENELEC website.
1 Modification to Clause 1, “Scope”
Delete Note 2.
th
Replace the beginning of the 8 paragraph with:
“The operation and/or control as mentioned in the paragraph above can be transmitted by an electronic
signal…”
Replace the last but one paragraph with:
“This document also applies to electronic control devices using DLT-technology in accordance with
IEC 62756-1. Additional Requirements are given in Annex CC.”
2 Modification to Clause 16, “Insulation resistance and electric strength”
In Table 15, delete Note 4.
3 Modification to 17.1, “General”
In Table 101, in Note b) and c), replace the word “relevant” with “assessed”.
In Table 101, replace Note g) with:
“g) If a component complies to an IEC component standard and thermal considerations are included in such a
standard, this Table 101 shall not be applicable to such a component.”
4 Modification to 18.1, “General”
Change Note 1 and 2 to normative text.
Change the Note in Table 102 to normative text.
Replace the paragraph below Table 102 with:
“The tests are made by means of an apparatus which is arranged to simulate normal operation.”
In 18.102 Electronic switches and HBES/BACS switches for control of the voltage of iron core
rd
transformers for extra-low-voltage incandescent lamps, delete “to simulate making” in the 3 but last
paragraph.
5 Modification to 19.1, “General”
th th th
Replace the 5 , 6 and 7 paragraphs with:
“For HBES/BACS switches, the tests according to 19.101 and 19.108 are conducted on the complete
HBES/BACS switch which shall be controlled by the electronic extension units as described in the product
instructions.
The electronic extension units are tested when installed according to the product instructions so as to verify
that they are capable of controlling the electronic switch or the HBES/BACS switch in accordance with this
Clause 19.
For electronic switches and HBES/BACS switches with included automatic function the number of operations
for tests of 19.101, 19.102, 19.104, 19.106 and 19.108 is that specified in the relevant subclause. If the
declared number of operations are higher than those indicated in the relevant subclause, the tests shall be
made according to the declared value.”
6 Modification to 23.102.3
Replace in the first paragraph at the first occurrence “Table 107” with “Table 108”.
Replace in NOTE 101 “Table 107” with “Table 108”.
7 Modification to Clause 26, “EMC requirements”
Replace 26.1 as follows:
“26.1 General
Electronic control devices shall be designed to operate correctly under the conditions of the electromagnetic
environment in which they are intended to be used. This applies particularly for electronic control devices
intended to be connected to AC low-voltage public supply systems where the design shall take into account
the normal disturbances on the supply system, as defined by the compatibility levels given in IEC 61000-2-2.
The tests are carried out with one new specimen.
Example of test set-ups are described in Annex DD.
For electronic control devices using Radio Technology, depending on the frequency, the RF-requirements of
ETSI EN 300 328, ETSI EN 300 220-1, ETSI EN 300 220-2, ETSI EN 300 440, ETSI EN 301 489-1, ETSI EN
301 489-3, ETSI EN 301 489-4, ETSI EN 301 489-17 apply.
For EN 55015 and EN 55032, 80/80 rules shall not be considered as they do not ensure the presumption of
conformity of the EMC and RED directive.
The use of dedicated software for testing purposes is allowed, providing that all significant functions are
exercised.
For electronic switches and HBES/BACS switches, the manufacturer shall specify all details related to the
load, as given in the manufacturer`s documentation.
26.1.1 For electronic control devices not using RF (Radio Frequency), 26.2 and 26.3 apply.
26.1.2 For electronic control devices using RF (Radio Frequency), 26.2 and 26.3 apply with the following
additions:
Exclusion bands are defined in the EUT relevant part of ETSI EN 301 489 series. In the exclusion bands a
temporary loss of RF transmission is allowed.
In case ETSI EN 301 489 series requests additional tests they shall be carried out and the RF functions shall
meet the performance criteria.
For HBES/BACS switches using PL (power line), the emission requirements of EN 50065-1 and in addition the
relevant requirements of EN 50065-2-2, EN 50065-2-3, EN 50561-1, EN 50561-2, EN 50561-3 apply.
Compliance is checked by the tests of 26.2 and 26.3.”
In 26.2.1 General:
nd
Replace in the 2 paragraph:
“manufacturers specifications” with “product instructions”
th
Replace the 5 paragraph with:
“The electronic control device shall be tested according to Table 113 with or without operation of the electronic
control device as specified in the relevant paragraph of Clause 26.”
Replace in the last but one paragraph:
“As an alternative,” with “For devices,”
In 26.2.6 Radiated electromagnetic field test:
Replace the third paragraph with:
“The test is carried out according to IEC 61000-4-3 by applying requirements in Table 117 with the exception
of the exclusion band as defined in the relevant product standard for transmitters, receivers and duplex
transceivers, providing the device contains such transmitters, receivers and duplex transceivers.”
Add at the end of 5th paragraph:
“…, according to the intended use of the product”
In Table 117:
Replace note b with:
“A test level of 10 V/m applies except for the ITU broadcast frequency bands 87 MHz to 108 MHz, 174 MHz
to 230 MHz and 470 MHz to 790 MHz.”
In 26.3.1 Low-frequency emission:
Replace the 2nd paragraph with:
“Electronic control devices shall comply with IEC 61000-3-2:2018 and IEC 61000-3-3:2013 with IEC 61000-3-
3:2013/AMD1:2017.”
Replace 26.3.2 as follows:
“26.3.2 Conducted radio-frequency emission on main, load/or control terminal:
Electronic control devices shall be so designed that they do not cause excessive radio interference.
1.
The electronic control device shall comply with the requirements of CISPR 14-1:2016 or CISPR 15:2018
For electronic control devices used for electrical lighting application CISPR 15:2018 applies.”
In 26.3.3 Conducted radio frequency emission 0,15 MHz to 30 MHz on TP media and communication
...
Frequently Asked Questions
EN IEC 60669-2-1:2022/A11:2022 is a amendment published by CLC. Its full title is "Switches for household and similar fixed electrical installations - Part 2-1: Particular requirements - Electronic control devices". This standard covers: To give requirements and tests for electronic control devices, a general term to cover electronic switches, HBES/BACS switches and electronic extension units. It applies to electronic switches and to HBES/BACS switches, for alternating current (AC) only with a rated switching voltage not exceeding 250 V and a rated current not exceeding 16 A, intended for household and similar fixed electrical installations, either indoors or outdoors. It also applies to electronic extension units with a rated supply voltage not exceeding 250 V AC and 120 V DC. This Part of IEC 60669 also applies to electronic control devices which include integrated radio receivers and transmitters.
To give requirements and tests for electronic control devices, a general term to cover electronic switches, HBES/BACS switches and electronic extension units. It applies to electronic switches and to HBES/BACS switches, for alternating current (AC) only with a rated switching voltage not exceeding 250 V and a rated current not exceeding 16 A, intended for household and similar fixed electrical installations, either indoors or outdoors. It also applies to electronic extension units with a rated supply voltage not exceeding 250 V AC and 120 V DC. This Part of IEC 60669 also applies to electronic control devices which include integrated radio receivers and transmitters.
EN IEC 60669-2-1:2022/A11:2022 is classified under the following ICS (International Classification for Standards) categories: 29.120.40 - Switches. The ICS classification helps identify the subject area and facilitates finding related standards.
EN IEC 60669-2-1:2022/A11:2022 has the following relationships with other standards: It is inter standard links to EN IEC 60669-2-1:2022. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN IEC 60669-2-1:2022/A11:2022 is associated with the following European legislation: EU Directives/Regulations: 2014/30/EU, 2014/35/EU, 2014/53/EU; Standardization Mandates: M/511, M/536, M/552. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN IEC 60669-2-1:2022/A11:2022 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CLC standards.
SIST EN IEC 60669-2-1:2023/A11:2023은 가정용 및 유사 고정 전기 설비를 위한 스위치의 규격으로, 특히 전자 제어 장치에 대한 특정 요건과 시험 방법을 제공합니다. 이 표준은 전자 스위치, 홈 빌딩 자동화 시스템(HBES) 및 빌딩 자동화 및 컨트롤 시스템(BACS) 스위치, 그리고 전자 연장 장치에 적용됩니다. 이 표준의 강점은 높은 안전성과 신뢰성을 보장하는 데 있습니다. 전자 스위치와 HBES/BACS 스위치 모두 교류(AC)에서 작동하며, 정격 스위칭 전압은 250V를 초과하지 않고 정격 전류는 16A를 초과하지 않도록 설계되었습니다. 따라서 가정용 및 유사 고정 전기 설비의 필요를 충족하며, 실내 및 실외에서도 활용할 수 있습니다. 또한, SIST EN IEC 60669-2-1:2023/A11:2023은 통합된 라디오 송수신기를 포함하는 전자 제어 장치에 대해서도 적용된다. 이는 사용자에게 더욱 편리하고 효율적인 제어 옵션을 제공함으로써 스마트 홈 환경을 지원합니다. 전자 연장 장치는 정격 공급 전압이 250V AC 및 120V DC를 초과하지 않도록 하는 규정을 포함하고 있어, 전반적인 응용 범위와 안전성을 더욱 강화합니다. 결론적으로, 이 표준은 전자 제어 장치의 설계 및 운영을 위한 명확한 기준을 제공함으로써, 현대적인 전기 설비의 신뢰성과 효율성을 향상시키는 데 기여하고 있습니다. 가정 및 유사 고정 전기 설비에 있어서 이 표준의 중요성과 관련성은 매우 높습니다.
EN IEC 60669-2-1:2022/A11:2022は、家庭用および類似の固定電気設備におけるスイッチの特定の要件を規定しています。この規格は、電子スイッチ、HBES/BACSスイッチ、電子拡張ユニットを含む電子制御デバイスに関する要件と試験方法を提供します。対象となるのは、定格切替電圧が250 Vを超えず、定格電流が16 Aを超えない交流(AC)の電子スイッチ及びHBES/BACSスイッチで、屋内外の家庭用固定電気設備に使用することを目的としています。 この規格の強みは、特に電子スイッチとその関連デバイスの安全性と性能を確保するための詳細な要件を提示している点にあります。すなわち、利用者が安心して使用できるよう、各種の試験方法が明確に定義されていることが挙げられます。また、電子拡張ユニットについても、定格供給電圧がAC 250 VおよびDC 120 Vを超えない範囲で適用されるため、広範な用途に対応可能です。 さらに、IEC 60669のこの部分は、統合された無線受信機および送信機を含む電子制御デバイスにまで適用されるため、最新の技術動向にも適応しています。これにより、スマートホーム技術などの進化に貢献し、ユーザーの利便性を高めることができる点でも重要な意義を持っています。 このように、EN IEC 60669-2-1:2022/A11:2022は、家庭用固定電気設備における電子制御デバイスの要求される安全基準を確立しており、その関連性は高いといえます。特に、電子スイッチの技術が進化する中で、標準化の必要性が増していることから、今後ますます注目されることでしょう。
The EN IEC 60669-2-1:2022/A11:2022 standard provides comprehensive requirements and testing protocols for electronic control devices, which encompass a wide range of applications within household and similar fixed electrical installations. This standard highlights its scope by clearly defining the types of devices it covers-namely electronic switches, HBES (Home and Building Electronic Systems) and BACS (Building Automation and Control Systems) switches, and electronic extension units. This inclusion is particularly important as it reflects the growing trend toward automation and enhanced control in residential and similar environments. One of the significant strengths of this standard lies in its focus on devices operating under specific electrical parameters, particularly those that function with alternating current (AC) not exceeding 250 V and 16 A. This clarity reinforces safety and reliability in standard operations, serving as a guideline for manufacturers, engineers, and installers in ensuring that electronic control devices are compliant and safe for end-users. Moreover, the incorporation of electronic extension units with a rated supply voltage not exceeding 250 V AC and 120 V DC expands the standard's applicability, allowing for versatility in various installations. Furthermore, the standard’s consideration of electronic control devices that include integrated radio receivers and transmitters is particularly relevant in modern settings where wireless communication plays a crucial role in smart home environments. This aspect not only aligns the standard with current technological advancements but also sets a benchmark for innovation within the industry, paving the way for future developments in electronic control devices. Overall, the EN IEC 60669-2-1:2022/A11:2022 standard is a vital framework that addresses the growing need for specialized requirements in electronic control devices. Its robust testing criteria and comprehensive approach contribute positively to the safety, functionality, and efficiency of household and fixed electrical installations. This standard ultimately supports users in adopting advanced technologies while ensuring compliance with safety norms.
Die Norm EN IEC 60669-2-1:2022/A11:2022 definiert umfassend die Anforderungen und Prüfmethoden für elektronische Steuergeräte, ein Begriff, der elektronische Schalter, HBES/BACS-Schalter sowie elektronische Erweiterungseinheiten umfasst. Der Anwendungsbereich dieser Norm beschränkt sich auf elektronische Schalter und HBES/BACS-Schalter, die für Wechselstrom (AC) mit einer maximalen Nennschaltspannung von 250 V und einem maximalen Nennstrom von 16 A konzipiert sind. Dies schließt sowohl Innen- als auch Außeneinsätze für Haushalts- und ähnliche fest installierte elektrische Anlagen ein. Eine der Stärken der Norm ist ihre klare Fokussierung auf die Sicherheitsanforderungen für elektronische Steuergeräte. Sie stellt sicher, dass die Produkte sowohl in Bezug auf elektrische Sicherheit als auch auf Benutzerfreundlichkeit den erforderlichen Standards entsprechen. Darüber hinaus bietet die Norm spezifische Anforderungen für elektronische Erweiterungseinheiten, die mit einer Nennversorgungsspannung von maximal 250 V AC und 120 V DC betrieben werden, wodurch ein breites Anwendungsspektrum abgedeckt wird. Die Relevanz dieser Norm liegt auch in ihrer Berücksichtigung von integrierten Funkempfängern und -sendern in den elektronischen Steuergeräten, was in der heutigen Zeit, in der Smart-Home-Technologien zunehmend Bedeutung gewinnen, von besonderer Wichtigkeit ist. Die Norm fördert somit die Entwicklung sicherer und effizienter Produkte im Bereich der Haushaltsinstallation, die den modernen Anforderungen an intelligente Steuerungssysteme gerecht werden. Insgesamt bringt die Norm EN IEC 60669-2-1:2022/A11:2022 klare Richtlinien und Prüfstandards hervor, die für Hersteller und Installateure im Bereich der elektronischen Steuergeräte von entscheidender Bedeutung sind, um die Sicherheit und Qualität der Produkte zu gewährleisten.
La norme EN IEC 60669-2-1:2022/A11:2022 offre un cadre exhaustif concernant les exigences et les tests des dispositifs de contrôle électroniques utilisés dans les installations électriques fixes pour les ménages et similaires. Cette norme couvre un éventail de dispositifs, incluant les interrupteurs électroniques, les interrupteurs HBES/BACS, ainsi que les unités d'extension électroniques. Sa portée est clairement définie, ne s'appliquant qu'aux dispositifs fonctionnant sous courant alternatif (CA) avec une tension de commutation nominale ne dépassant pas 250 V et un courant nominal n'excédant pas 16 A. Cela garantit que la norme est pertinente pour les applications domestiques, tant en intérieur qu'en extérieur. La norme inclut également les unités d'extension électroniques, avec une tension d'alimentation ne dépassant pas 250 V CA et 120 V CC. Un des points forts de cette norme réside dans son intégration des appareils dotés de récepteurs et d'émetteurs radio intégrés, ce qui reflète bien l'évolution des technologies modernes dans le secteur des installations électriques. En se concentrant sur des dispositifs de contrôle électroniques, la norme contribue à la sécurité et à l'efficacité des systèmes électriques domestiques, tout en tenant compte de l'importance croissante des solutions intelligentes et connectées. De plus, la norme s'inscrit dans un cadre réglementaire qui vise à assurer la conformité et à promouvoir des installations électriques sécurisées et fiables. Cela en fait un document essentiel pour les fabricants, les installateurs et les concepteurs d'appareils électroménagers. En somme, la norme EN IEC 60669-2-1:2022/A11:2022 est cruciale pour garantir des standards élevés de sécurité et de fonctionnalité dans les installations électriques domestiques.








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