EN 62477-1:2012/A12:2021
(Amendment)Safety requirements for power electronic converter systems and equipment - Part 1: General
Safety requirements for power electronic converter systems and equipment - Part 1: General
This AB will revise Annex ZZ and allow citation of EN 62477-1:20212/A1:2017
Sicherheitsanforderungen an Leistungshalbleiter-Umrichtersysteme und -betriebsmittel - Teil 1: Allgemeines
Exigences de sécurité applicables aux systèmes et matériels électroniques de conversion de puissance - Partie 1: Généralités
Varnostne zahteve za močnostno elektroniko pretvorniških sistemov in opreme - 1. del: Splošno
General Information
Relations
Overview
EN 62477-1:2012/A12:2021 (CENELEC amendment A12) is a European safety standard for power electronic converter systems and equipment - Part 1: General. The amendment (approved 2020‑11‑17) updates Annex ZZ (the informative mapping to EU legislation) and enables citation alongside earlier amendment EN 62477-1:2012/A1:2017. This harmonised document supports conformity with the Low Voltage Directive (2014/35/EU) when cited in the Official Journal of the EU and is maintained by CLC/TC 22X “Power electronics”.
Key topics and requirements
- Scope and general safety principles for power converters, rectifiers, inverters and stabilized power supplies.
- Protection against electrical hazards: clauses cover measures to prevent direct and indirect contact, suitable insulation and protection under foreseeable conditions.
- Thermal, arc and radiation risks: requirements to avoid harmful temperatures, arcs or radiation (note: some radiation and electromagnetic field aspects are covered by separate standards).
- Mechanical and environmental robustness: guidance on mechanical strength, resistance to non-mechanical influences and overload conditions so persons and property are not endangered.
- Marking, assembly and connection: requirements for identification, correct assembly and safe connection of equipment and components.
- Annex ZZ (informative): maps clauses of the standard to the safety objectives of Directive 2014/35/EU, explaining how compliance yields a presumption of conformity within the standard’s scope.
- Limitations: the standard does not replace EMC and certain ionizing/non‑ionizing radiation standards; users should consult related normative documents.
Applications and who uses it
- Manufacturers of power electronic converters, UPS systems, inverters, rectifiers and stabilized power supplies use this standard to design for safety and to demonstrate compliance with EU market rules.
- Design and safety engineers apply the requirements during product development, risk assessment and component selection.
- Test laboratories and certification bodies reference the standard for conformity assessment and CE marking under the Low Voltage Directive.
- Regulatory and compliance teams use Annex ZZ to justify harmonised-standard conformity in technical files.
Related standards
- EN 62477-1:2012 (base standard) and earlier amendments (e.g., A1:2017)
- Separate EMC, electromagnetic field and radiation standards (not covered in detail by EN 62477-1)
- Low Voltage Directive 2014/35/EU (Annex ZZ relationship)
Keywords: EN 62477-1:2012/A12:2021, power electronic converter systems, safety requirements, Low Voltage Directive, Annex ZZ, CENELEC, harmonised standard.
Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2021
Varnostne zahteve za močnostno elektroniko pretvorniških sistemov in opreme -
1. del: Splošno
Safety requirements for power electronic converter systems and equipment - Part 1:
General
Sicherheitsanforderungen an Leistungshalbleiter-Umrichtersysteme und -betriebsmittel -
Teil 1: Allgemeines
Exigences de sécurité applicables aux systèmes et matériels électroniques de
conversion de puissance - Partie 1: Généralités
Ta slovenski standard je istoveten z: EN 62477-1:2012/A12:2021
ICS:
29.200 Usmerniki. Pretvorniki. Rectifiers. Convertors.
Stabilizirano električno Stabilized power supply
napajanje
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 62477-1:2012/A12
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2021
ICS 29.200
English Version
Safety requirements for power electronic converter systems and
equipment - Part 1: General
Exigences de sécurité applicables aux systèmes et Sicherheitsanforderungen an Leistungshalbleiter-
matériels électroniques de conversion de puissance - Partie Umrichtersysteme und -betriebsmittel - Teil 1: Allgemeines
1: Généralités
This amendment A12 modifies the European Standard EN 62477-1:2012; it was approved by CENELEC on 2020-11-17. 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,
Turkey 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
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62477-1:2012/A12:2021 E
European foreword
This document (EN 62477-1:2012/A12:2021) has been prepared by CLC/TC 22X "Power electronics".
The following dates are fixed:
• latest date by which this document has (dop) 2021-08-05
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2023-11-17
standards 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 has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association, and supports essential requirements of EU
Directive(s).
For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this
document.
Annex ZZ
(informative)
Relationship between this European standard and the safety
objectives of Directive 2014/35/EU [2014 OJ L96] aimed to be
covered
This European standard has been prepared under a Commission’s st
...
Frequently Asked Questions
EN 62477-1:2012/A12:2021 is a amendment published by CLC. Its full title is "Safety requirements for power electronic converter systems and equipment - Part 1: General". This standard covers: This AB will revise Annex ZZ and allow citation of EN 62477-1:20212/A1:2017
This AB will revise Annex ZZ and allow citation of EN 62477-1:20212/A1:2017
EN 62477-1:2012/A12:2021 is classified under the following ICS (International Classification for Standards) categories: 29.200 - Rectifiers. Convertors. Stabilized power supply. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 62477-1:2012/A12:2021 has the following relationships with other standards: It is inter standard links to EN IEC 62477-1:2023, EN 62477-1:2012. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 62477-1:2012/A12:2021 is associated with the following European legislation: EU Directives/Regulations: 2014/35/EU; Standardization Mandates: M/511. 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 62477-1:2012/A12:2021 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.
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