SIST EN IEC 62040-1:2019/A2:2025

Amendment 2 - Uninterruptible power systems (UPS) - Part 1: Safety requirements

Unterbrechungsfreie Stromversorgungssysteme (USV) - Teil 1: Sicherheitsanforderungen

Alimentations sans interruption (ASI) - Partie 1: Exigences de sécurité

Sistemi z neprekinjenim napajanjem (UPS) - 1. del: Varnostne zahteve - Dodatek A2

General Information

• Status: Published
• Publication Date: 12-Jun-2025
• ICS: 29.200 - Rectifiers. Convertors. Stabilized power supply
• Technical Committee: MOV - Measuring equipment for electromagnetic quantities
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 25-Mar-2025
• Due Date: 30-May-2025
• Completion Date: 13-Jun-2025
• Directive: 2014/35/EU - Directive 2014/35/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of electrical equipment designed for use within certain voltage limits
• Mandate: M/511 - Mandate to CEN, CENELEC and ETSI relating to harmonised standards in the field of the Low Voltage Directive
• Ref Project: EN IEC 62040-1:2019/A2:2025 - Uninterruptible power systems (UPS) - Part 1: Safety requirements

Relations

• Amends: SIST EN IEC 62040-1:2019 - Uninterruptible power systems (UPS) - Part 1: Safety requirements (IEC 62040-1:2017)
• Effective Date: 07-Sep-2021
• Revised: oSIST prEN IEC 62040-1:2025 - Uninterruptible power systems (UPS) - Part 1: Safety requirements
• Effective Date: 14-Jun-2022

Overview

SIST EN IEC 62040-1:2019/A2:2025 is an important European amendment to the existing standard on Uninterruptible Power Systems (UPS), specifically focusing on safety requirements. Published by CLC and approved by CENELEC in October 2024, this amendment updates Part 1 of IEC 62040-1:2017/AMD2:2022. It ensures enhanced safety measures for UPS devices-systems designed to provide uninterrupted power supply to critical electronic equipment during outages or power fluctuations. The amendment is to be implemented nationally by March 2026 and serves as a vital reference for manufacturers, installers, and regulatory bodies overseeing UPS safety.

Key Topics

• Scope of Safety Requirements
  This amendment refines the safety protocols and testing procedures that UPS units must comply with to assure protection against electrical hazards, mechanical injury, and fire risk.

• Definition of Movable UPS
  Clearly defines "movable UPS" as those weighing 18 kg or less or equipped with features such as wheels or casters to facilitate easy relocation by ordinary persons. This clarification supports safer handling and maintenance practices.

• Drop Test for Movable UPS
  Introduces and updates the drop test procedure for movable UPS units weighing 18 kg or less. This test simulates scenarios where the device might accidentally be dropped, ensuring durability and continued safe operation even under mishandling.

• International and National Compliance
  Aligns with IEC/ISO Directives ensuring international consensus while obliging CENELEC members across Europe-including countries like Germany, France, UK, and others-to comply. The amendment also respects patent rights and encourages feedback via national electrotechnical committees.

Applications

The updated safety requirements of SIST EN IEC 62040-1:2019/A2:2025 extend practical benefits and essential protections across various use cases:

• Data Centers and IT Infrastructure
  Ensures that UPS systems safeguarding servers and network equipment meet rigorous safety standards during operation and physical handling.

• Healthcare Facilities
  Protects critical medical devices and life-support equipment from power interruptions while maintaining operator safety during UPS maintenance.

• Industrial Automation
  Enhances the reliability and safety of UPS units used within manufacturing plants, protecting machinery and preventing downtime caused by electrical hazards.

• Commercial Buildings and Offices
  Guarantees safe deployment of UPS systems that power communication and security devices, with particular attention to easily movable units.

• Portable and Mobile UPS Devices
  Addresses safety concerns associated with UPS devices designed for mobility-common in temporary work sites or emergency response-by specifying handling tests like drop tests.

Related Standards

• IEC 62040 Series
  Covers general requirements, performance, testing, and environmental considerations for UPS systems, providing a comprehensive framework for design and evaluation.

• IEC/ISO Directives
  Governs the preparation and publication of international standards, harmonizing the approach for UPS and related electrotechnical systems.

• National Electrotechnical Standards
  Member countries implement SIST EN IEC 62040-1:2019/A2:2025 as either a direct adoption or with minimal national adjustments to maintain uniform safety levels across Europe.

Summary

SIST EN IEC 62040-1:2019/A2:2025 amendment advances the safety requirements for UPS systems, emphasizing protection against hazards and introducing testing protocols fitted to the physical characteristics of movable UPS units. This results in safer products for end-users and greater confidence in uninterrupted power systems deployed across various critical sectors. Stakeholders including regulatory authorities, manufacturers, and facility managers are encouraged to align with this updated standard to ensure compliance and operational safety in line with contemporary best practices.

Keywords: uninterruptible power systems, UPS safety requirements, movable UPS, UPS safety amendment, SIST EN IEC 62040-1:2019/A2:2025, drop test, CENELEC, power supply safety, IEC standard for UPS, UPS handling safety.

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2025
Sistemi z neprekinjenim napajanjem (UPS) - 1. del: Varnostne zahteve - Dodatek
A2
Amendment 2 - Uninterruptible power systems (UPS) - Part 1: Safety requirements
Unterbrechungsfreie Stromversorgungssysteme (USV) - Teil 1:
Sicherheitsanforderungen
Alimentations sans interruption (ASI) - Partie 1: Exigences de sécurité
Ta slovenski standard je istoveten z: EN IEC 62040-1:2019/A2:2025
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 IEC 62040-1:2019/A2

NORME EUROPÉENNE
EUROPÄISCHE NORM March 2025
ICS 29.200
English Version
Uninterruptible power systems (UPS) - Part 1: Safety
requirements
(IEC 62040-1:2017/AMD2:2022)
Alimentations sans interruption (ASI) - Partie 1: Exigences Unterbrechungsfreie Stromversorgungssysteme (USV) -
de sécurité Teil 1: Sicherheitsanforderungen
(IEC 62040-1:2017/AMD2:2022) (IEC 62040-1:2017/AMD2:2022)
This amendment A2 modifies the European Standard EN IEC 62040-1:2019; it was approved by CENELEC on 2024-10-16. 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
© 2025 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62040-1:2019/A2:2025 E

European foreword
The text of document 22H/288/CDV, future edition 2 of IEC 62040-1/AMD2, prepared by SC 22H
"Uninterruptible power systems (UPS)" of IEC/TC 22 "Power electronic systems and equipment" was
submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2026-03-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2028-03-31
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.
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.
Endorsement notice
The text of the International Standard IEC 62040-1:2017/AMD2:2022 was approved by CENELEC as
a European Standard without any modification.

IEC 62040-1 ®
Edition 2.0 2022-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 2
AM ENDEMENT 2
Uninterruptible power systems (UPS) –

Part 1: Safety requirements
Alimentations sans interruption (ASI) –

Partie 1: Exigences de sécurité

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.200 ISBN 978-2-8322-6142-2

– 2 – IEC 6
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