SIST EN IEC 61554:2025
(Main)Panel mounted equipment - Electrical measuring instruments - Dimensions for panel mounting (IEC 61554:2025)
Panel mounted equipment - Electrical measuring instruments - Dimensions for panel mounting (IEC 61554:2025)
IEC 61554:2025 defines a system of dimensions for panel mounting of equipment. It is applicable to electrical and electrically operated indicating, recording and control instruments. The purpose of this document is to establish dimensional interchangeability between instruments made by different manufacturers.
Geräte zum Einbau in Warten – Elektrische Messgeräte – Maße für den Warteneinbau (IEC 61554:2025)
Appareils montés en tableaux - Instruments de mesure électriques - Dimensions pour le montage en tableaux (IEC 61554:2025)
L'IEC 61554:2025 définit un système de dimensions pour le montage en tableaux des appareils. Il est applicable aux instruments de mesure électriques du type indicateur, enregistreur et de contrôle. L’objectif du présent document est de permettre une interchangeabilité dimensionnelle entre les appareils fabriqués par des constructeurs différents.
Oprema za panelno vgradnjo - Električni merilni instrumenti - Vgradne mere (IEC 61554:2025)
Ta dokument opredeljuje sistem vgradnih mer za opremo. Uporablja se za električne in električno upravljane instrumente za prikazovanje, snemanje in krmiljenje.
Uporablja se za naslednje vrste instrumentov z izstopajočimi okvirji:
• instrumenti s kvadratnim ohišjem;
• instrumenti s pravokotnim ohišjem s prečno postavitvijo;
• instrumenti s pravokotnim ohišjem s pokončno postavitvijo;
• instrumenti z okroglim ohišjem in kvadratnim okvirjem;
• instrumenti z okroglim ohišjem in pravokotnim okvirjem.
Namen tega dokumenta je vzpostaviti dimenzijsko zamenljivost med instrumenti različnih proizvajalcev. Za izpolnitev te zahteve je bil izbran določen nabor mer. S temi merami bo lažje kombinirati instrumente različnih velikosti na istem panelu, s čimer bo razpoložljivi prostor na panelu bolje izkoriščen in postavitev optimalna.
General Information
Relations
Overview
EN IEC 61554:2025 (adopted by CLC from IEC 61554:2025) defines a system of standardized dimensions for panel mounting of electrical and electrically operated indicating, recording and control instruments. The standard establishes a common set of bezel sizes, cut-out dimensions and tolerances to ensure dimensional interchangeability between instruments from different manufacturers, simplifying panel layout and installation.
Key implementation dates:
- CENELEC approval: June 2025
- Latest national implementation: 2026-07-31
- Withdrawal of conflicting national standards: 2028-07-31
Key Topics and Requirements
- Scope: Applies to instruments with square, rectangular (lateral/upright) and round housings (round housings covered normatively in Annex A).
- Instrument size designation: Format specified as IEC 61554 – A1 × A2, where A1 and A2 are bezel width and height.
- Cut-out dimensions and tolerances:
- Only positive tolerances allowed for cut-out dimensions; instrument sizes have negative tolerances.
- Minimum clearance between housing and cut-out: ≥ 0.2 mm for 48 mm cut-outs, ≥ 0.5 mm for other sizes.
- Tolerances for sizes follow relevant ranges in ISO 2768-1.
- Individual and common cut-out mounting:
- Table of nominal sizes and corresponding cut-outs (see Table 1 in the standard).
- For groups mounted in a common horizontal cut-out, overall width L = sum of individual A1 widths − 3 mm (except when A1 < 36 mm).
- Annex A (normative): Dimensions and tolerances for round housings with square or rectangular bezels.
Applications and Who Uses It
EN IEC 61554:2025 is essential for:
- Panel designers and control-panel layout engineers
- Instrument manufacturers seeking cross-manufacturer compatibility
- Electrical installers, switchgear and control cabinet builders
- Procurement and specification engineers who define tender and compliance requirements
- Certification bodies and national committees aligning national standards with EN IEC 61554
Benefits include easier integration of multi-vendor instruments, optimized use of panel space, predictable manufacturing of cut-outs, and reduced retrofitting costs.
Related Standards
- ISO 2768-1: General tolerances - Part 1 (referenced for tolerance classes)
- IEC Technical Committee 85 publications (context for measuring equipment standards)
EN IEC 61554:2025 is a practical, installation-focused standard for anyone specifying or assembling panel mounted equipment and electrical measuring instruments, promoting interoperability and consistent panel layouts across products and manufacturers.
Frequently Asked Questions
SIST EN IEC 61554:2025 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Panel mounted equipment - Electrical measuring instruments - Dimensions for panel mounting (IEC 61554:2025)". This standard covers: IEC 61554:2025 defines a system of dimensions for panel mounting of equipment. It is applicable to electrical and electrically operated indicating, recording and control instruments. The purpose of this document is to establish dimensional interchangeability between instruments made by different manufacturers.
IEC 61554:2025 defines a system of dimensions for panel mounting of equipment. It is applicable to electrical and electrically operated indicating, recording and control instruments. The purpose of this document is to establish dimensional interchangeability between instruments made by different manufacturers.
SIST EN IEC 61554:2025 is classified under the following ICS (International Classification for Standards) categories: 17.220.20 - Measurement of electrical and magnetic quantities. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN IEC 61554:2025 has the following relationships with other standards: It is inter standard links to SIST IEC 61554:2005. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase SIST EN IEC 61554:2025 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 SIST standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2025
Oprema za panelno vgradnjo - Električni merilni instrumenti - Vgradne mere (IEC
61554:2025)
Panel mounted equipment - Electrical measuring instruments - Dimensions for panel
mounting (IEC 61554:2025)
Geräte zum Einbau in Warten – Elektrische Messgeräte – Maße für den Warteneinbau
(IEC 61554:2025)
Appareils montés en tableaux - Instruments de mesure électriques - Dimensions pour le
montage en tableaux (IEC 61554:2025)
Ta slovenski standard je istoveten z: EN IEC 61554:2025
ICS:
17.220.20 Merjenje električnih in Measurement of electrical
magnetnih veličin and magnetic quantities
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 61554
NORME EUROPÉENNE
EUROPÄISCHE NORM July 2025
ICS 17.220.20
English Version
Panel mounted equipment - Electrical measuring instruments -
Dimensions for panel mounting
(IEC 61554:2025)
Appareils montés en tableaux - Instruments de mesure Geräte zum Einbau in Warten - Elektrische Messgeräte -
électriques - Dimensions pour le montage en tableaux Maße für den Warteneinbau
(IEC 61554:2025) (IEC 61554:2025)
This European Standard was approved by CENELEC on 2025-06-27. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard 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 European Standard 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 61554:2025 E
European foreword
The text of document 85/949/FDIS, future edition 2 of IEC 61554, prepared by TC 85 "Measuring
equipment for electrical and electromagnetic quantities" was submitted to the IEC-CENELEC parallel
vote and approved by CENELEC as EN IEC 61554:2025.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2026-07-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2028-07-31
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 61554:2025 was approved by CENELEC as a European
Standard without any modification.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cencenelec.eu.
Publication Year Title EN/HD Year
ISO 2768-1 - General tolerances -- Part 1: Tolerances EN 22768-1 -
for linear and angular dimensions without
individual tolerance indications
IEC 61554 ®
Edition 2.0 2025-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Panel mounted equipment – Electrical measuring instruments – Dimensions for
panel mounting
Appareils montés en tableaux – Instruments de mesure électriques –
Dimensions pour le montage en tableaux
ICS 17.220.20 ISBN 978-2-8327-0381-6
IEC 61554:2025-05(en-fr)
– 2 – IEC 61554:2025 © IEC 2025
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 6
4.1 General . 6
4.2 Instrument size designation . 6
4.3 Dimensions of the cut-out . 6
4.4 Individual cut-out mounting . 6
4.5 Common cut-out mounting . 7
Annex A (normative) Dimensions for instruments with round housing . 11
A.1 General . 11
A.2 Overview. 11
A.3 Requirements . 11
A.3.1 General . 11
A.3.2 Instrument size designation . 11
A.3.3 Individual cut-out mounting . 11
Figure 1 – Square housing . 7
Figure 2 – Rectangular lateral housing . 7
Figure 3 – Rectangular upright housing . 8
Figure 4 – Common cut-out mounting . 8
Figure A.1 – Round housing with a square bezel. 12
Figure A.2 – Round housing with a rectangular bezel type 1 . 13
Figure A.3 – Round housing with a rectangular bezel type 2 . 15
Table 1 – Sizes and tolerances . 9
Table A.1 – Sizes and tolerances of round housing with a square bezel . 12
Table A.2 – Sizes and tolerances of round housing with a rectangular bezel type 1 . 14
Table A.3 – Sizes and tolerances of round housing with a rectangular bezel type 2 . 15
IEC 61554:2025 © IEC 2025 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
PANEL MOUNTED EQUIPMENT –
ELECTRICAL MEASURING INSTRUMENTS –
DIMENSIONS FOR PANEL MOUNTING
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
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3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
may be required to implement this document. However, implementers are cautioned that this may not represent
the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 61554 has been prepared by IEC technical committee 85: Measuring equipment for
electrical and electromagnetic quantities. It is an International Standard.
This second edition cancels and replaces the first edition published in 1999. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) Add more sizes and tolerances of instruments and some practical information for panel
mounting which were not mentioned in IEC 61554:1999;
b) Modify several current sizes and tolerance of instruments;
c) Update the figures in Annex A;
d) Change Annex A from informative to normative.
– 4 – IEC 61554:2025 © IEC 2025
The text of this International Standard is based on the following do
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