SIST EN IEC 61095:2025
(Main)Electromechanical contactors for household and similar purposes (IEC 61095:2023)
Electromechanical contactors for household and similar purposes (IEC 61095:2023)
IEC 61095:2023 is available as IEC 61095:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61095:2023 applies to electromechanical air break contactors for household and similar purposes provided with main contacts intended to be connected to circuits the rated voltage of which does not exceed 440 V AC (between phases) with rated operational currents less than or equal to 63 A for utilization category AC-7a, and 32 A for utilization categories AC‑7b, AC‑7c and AC-7d (expressed in rated power), and rated conditional short-circuit current less than or equal to 6 kA. This third edition cancels and replaces the second edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) addition of requirements for screwless terminals;
b) addition of requirements for the switching of LED lamps. Contactors for domestic and similar applications can be used for controlling lighting loads which is increasingly using LED lamp technology. A specific category for contactors is created: AC-7d. Requirements and tests are added to cover this market development, mainly for making and breaking and conventional operational performance;
c) addition of requirements for contactors with electronically controlled electromagnet. Household contactors with electronically controlled electromagnet are available for years on the market. To fully cover such device, requirements and tests are added, dealing mainly with operating limits, behaviour in abnormal conditions, breakdown of components, EMC tests, etc.
d) embedded software. More and more contactors are incorporating electronic circuits with embedded software. A reference is provided to guide the design of the software.
Elektromechanische Schütze für Hausinstallationen und ähnliche Zwecke (IEC 61095:2023)
Contacteurs électromécaniques pour usages domestiques et analogues (IEC 61095:2023)
IEC 61095:2023 est disponible sous forme de IEC 61095:2023 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 61095:2023 s'applique aux contacteurs électromécaniques à air pour usages domestiques et analogues dont les contacts principaux sont destinés à être reliés à des circuits dont la tension assignée ne dépasse pas 440 V en courant alternatif (entre phases) et dont les courants assignés d'emploi sont inférieurs ou égaux à 63 A pour la catégorie d'emploi AC-7a et à 32 A pour les catégories d'emploi AC‑7b, AC‑7c et AC-7d (exprimés en puissance assignée), et le courant assigné de court-circuit conditionnel est inférieur ou égal à 6 kA. Cette troisième édition annule et remplace la deuxième édition parue en 2009. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) ajout des exigences relatives aux bornes sans vis;
b) ajout des exigences relatives à la commande des lampes à LED. Les contacteurs pour applications domestiques et analogues peuvent être utilisés pour commander les charges d'éclairage, qui utilisent de plus en plus la technologie de lampe à LED. Création d'une catégorie spécifique pour les contacteurs: AC-7d. Des exigences et des essais ont été ajoutés pour couvrir cette évolution du marché, notamment en ce qui concerne la fermeture et la coupure et le fonctionnement conventionnel en service;
c) ajout des exigences relatives aux contacteurs qui comportent un électroaimant commandé électroniquement. Les contacteurs domestiques qui comportent un électroaimant commandé électroniquement sont disponibles sur le marché depuis des années. Pour couvrir pleinement les appareils de ce types, des exigences et des essais ont été ajoutés, qui traitent notamment des limites de fonctionnement, du comportement en conditions anormales, du claquage des composants, des essais CEM, etc.
d) concernant les logiciels intégrés, de plus en plus de contacteurs contiennent des circuits électroniques avec un logiciel intégré. Une référence est fournie à titre de guide pour la conception des logiciels.
Elektromehanski kontaktorji za gospodinjsko in podobno uporabo (IEC 61095:2023)
Ta dokument se uporablja za elektromehanske zračne kontaktorje za gospodinjstvo in podobno uporabo, ki vključujejo glavne kontakte, namenjene za priključitev na tokokroge z največjo nazivno napetostjo 440 V AC (med fazami), z nazivnimi obratovalnimi tokovi, ki so manjši od ali enaki 63 A za kategorijo uporabe AC-7a oziroma 32 A za kategorije uporabe AC-7b, AC-7c in AC-7d (izraženo kot nazivna moč), ter nazivnim pogojnim kratkostičnim tokom, ki je manjši od ali enak 6 kA.
OPOMBA: V današnjem času večina proizvajalcev LED-sijalk navaja podatke v vatih, zato je glavna značilnost kontaktorja za kategorijo uporabe AC-7d izražena v vatih, da jo je mogoče uporabljati neposredno za ustrezno obremenitev LED-sijalke.
Za kontaktorje z brezvijačnimi priključki se uporabljajo posebne zahteve.
Ta dokument se ne uporablja za:
– kontaktorje v skladu s standardom IEC 60947-4-1;
– polprevodniške kontaktorje;
– kontaktorje, zasnovane za posebne vrste uporabe;
– pomožne kontakte kontaktorjev. Ti so obravnavani v standardu IEC 60947-5-1.
Ta dokument določa:
1) značilnosti kontaktorjev;
2) pogoje, ki jih kontaktorji izpolnjujejo glede:
a) njihovega delovanja in obnašanja;
b) njihovih dielektričnih lastnosti;
c) stopenj zaščite, doseženih z okrovi, kjer je primerno;;
d) njihove konstrukcije;
e) njihovih značilnosti elektromagnetne združljivosti;
3) preskuse, katerih cilj je potrditi, da so bili ti pogoji in metode izvajanja teh preskusov izpolnjeni;
4) zaporedja preskusov in število vzorcev;
5) informacije, ki jih je treba predložiti s kontaktorji ali navesti v navodilih proizvajalca.
General Information
Relations
Overview - IEC 61095 / SIST EN IEC 61095:2025
SIST EN IEC 61095:2025 adopts the International Standard IEC 61095:2023 for electromechanical contactors used in household and similar applications. It replaces the 2009 edition and provides updated, harmonized requirements for electromechanical contactors with main contacts for circuits up to 440 V AC (phase-to-phase) and rated operational currents expressed as powers: up to 63 A for utilization category AC‑7a, and up to 32 A for categories AC‑7b, AC‑7c and AC‑7d. The standard also limits rated conditional short‑circuit current to ≤ 6 kA. The IEC 61095:2023 release includes a Redline version showing all technical changes versus the previous edition.
Key technical topics and requirements
- Classification & characteristics: definitions, utilization categories (including the new AC‑7d), rated voltages, currents, frequencies and duties.
- Mechanical and electrical construction: materials, terminals, enclosures, mounting, neutral pole provisions, earthing.
- Terminals: addition of requirements for screwless terminals, covering mechanical strength and connection reliability.
- LED lamp switching: new AC‑7d category and tests addressing making/breaking and conventional operational performance for loads containing LED lamps.
- Electronically controlled electromagnets: requirements and tests for contactors that use electronic control of the electromagnetic actuator - covering operating limits, behaviour in abnormal conditions and component breakdown modes.
- Embedded software: guidance and references to support safe design and verification where electronic control and firmware are present.
- Performance & safety tests: temperature‑rise, dielectric, mechanical endurance, making/breaking performance, coordination with protective devices, and EMC immunity/ emissions testing in line with IEC 61000‑4 series and CISPR/IEC references.
- Documentation & marking: product information, installation, operation, maintenance instructions and identification.
Practical applications and users
Who benefits from IEC 61095:
- Manufacturers of household contactors and controlgear (design, type‑testing, product development).
- Design engineers integrating contactors into lighting, heating, motor or appliance control systems - especially where LED lighting and electronic actuation are involved.
- Testing and certification bodies performing conformity assessment and safety testing.
- Installers and maintenance personnel who rely on standardized marking, ratings and instructions.
- Regulatory and compliance teams ensuring equipment meets regional/national adoption (EN/CENELEC implementation).
Practical uses:
- Selecting contactors for residential lighting and smart‑home loads.
- Specifying components in household appliance controls and small HVAC systems.
- Ensuring interoperability and safe coordination with protective devices and EMC environments.
Related standards (examples)
Normative references in IEC 61095 include (among others): IEC 60947‑4‑1, IEC 60947‑5‑1, IEC 61000‑4‑2/3/4/5/6/11/34 (EMC), and fire/flammability tests in the IEC 60695 series - useful for integrated compliance planning.
Frequently Asked Questions
SIST EN IEC 61095:2025 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Electromechanical contactors for household and similar purposes (IEC 61095:2023)". This standard covers: <!-- NEW! -->IEC 61095:2023 is available as <a href="https://webstore.iec.ch/publication/89413">IEC 61095:2023 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.</br></br>IEC 61095:2023 applies to electromechanical air break contactors for household and similar purposes provided with main contacts intended to be connected to circuits the rated voltage of which does not exceed 440 V AC (between phases) with rated operational currents less than or equal to 63 A for utilization category AC-7a, and 32 A for utilization categories AC‑7b, AC‑7c and AC-7d (expressed in rated power), and rated conditional short-circuit current less than or equal to 6 kA. This third edition cancels and replaces the second edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) addition of requirements for screwless terminals; b) addition of requirements for the switching of LED lamps. Contactors for domestic and similar applications can be used for controlling lighting loads which is increasingly using LED lamp technology. A specific category for contactors is created: AC-7d. Requirements and tests are added to cover this market development, mainly for making and breaking and conventional operational performance; c) addition of requirements for contactors with electronically controlled electromagnet. Household contactors with electronically controlled electromagnet are available for years on the market. To fully cover such device, requirements and tests are added, dealing mainly with operating limits, behaviour in abnormal conditions, breakdown of components, EMC tests, etc. d) embedded software. More and more contactors are incorporating electronic circuits with embedded software. A reference is provided to guide the design of the software.
<!-- NEW! -->IEC 61095:2023 is available as <a href="https://webstore.iec.ch/publication/89413">IEC 61095:2023 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.</br></br>IEC 61095:2023 applies to electromechanical air break contactors for household and similar purposes provided with main contacts intended to be connected to circuits the rated voltage of which does not exceed 440 V AC (between phases) with rated operational currents less than or equal to 63 A for utilization category AC-7a, and 32 A for utilization categories AC‑7b, AC‑7c and AC-7d (expressed in rated power), and rated conditional short-circuit current less than or equal to 6 kA. This third edition cancels and replaces the second edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) addition of requirements for screwless terminals; b) addition of requirements for the switching of LED lamps. Contactors for domestic and similar applications can be used for controlling lighting loads which is increasingly using LED lamp technology. A specific category for contactors is created: AC-7d. Requirements and tests are added to cover this market development, mainly for making and breaking and conventional operational performance; c) addition of requirements for contactors with electronically controlled electromagnet. Household contactors with electronically controlled electromagnet are available for years on the market. To fully cover such device, requirements and tests are added, dealing mainly with operating limits, behaviour in abnormal conditions, breakdown of components, EMC tests, etc. d) embedded software. More and more contactors are incorporating electronic circuits with embedded software. A reference is provided to guide the design of the software.
SIST EN IEC 61095:2025 is classified under the following ICS (International Classification for Standards) categories: 29.120.99 - Other electrical accessories; 29.130.20 - Low voltage switchgear and controlgear. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN IEC 61095:2025 has the following relationships with other standards: It is inter standard links to SIST EN 61095:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN IEC 61095:2025 is associated with the following European legislation: EU Directives/Regulations: 2014/30/EU, 2014/35/EU; Standardization Mandates: M/511, 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 SIST EN IEC 61095:2025 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-november-2025
Nadomešča:
SIST EN 61095:2009
Elektromehanski kontaktorji za gospodinjsko in podobno uporabo (IEC
61095:2023)
Electromechanical contactors for household and similar purposes (IEC 61095:2023)
Elektromechanische Schütze für Hausinstallationen und ähnliche Zwecke (IEC
61095:2023)
Contacteurs électromécaniques pour usages domestiques et analogues (IEC
61095:2023)
Ta slovenski standard je istoveten z: EN IEC 61095:2025
ICS:
29.130.20 Nizkonapetostne stikalne in Low voltage switchgear and
krmilne naprave controlgear
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 61095
NORME EUROPÉENNE
EUROPÄISCHE NORM September 2025
ICS 29.130.20; 29.120.99 Supersedes EN 61095:2009
English Version
Electromechanical contactors for household and similar
purposes
(IEC 61095:2023)
Contacteurs électromécaniques pour usages domestiques Elektromechanische Schütze für Hausinstallationen und
et analogues ähnliche Zwecke
(IEC 61095:2023) (IEC 61095:2023)
This European Standard 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 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 61095:2025 E
European foreword
The text of document 121A/566/FDIS, future edition 3 of IEC 61095, prepared by SC 121A "Low-
voltage switchgear and controlgear" of IEC/TC 121 "Switchgear and controlgear and their assemblies
for low voltage" 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) 2026-09-30
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2028-09-30
document have to be withdrawn
This document supersedes EN 61095:2009 and all of its amendments and corrigenda (if any).
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 61095:2023 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standard indicated:
IEC 60216 series NOTE Approved as EN 60216 series
IEC 60228 NOTE Approved as EN IEC 60228
IEC 60364-4-44:2007 NOTE Approved as HD 60364-4-442:2012
IEC 60364-4-44:2007/A1:2015 NOTE Approved as HD 60364-4-443:2016
IEC 60669-1:2017 NOTE Approved as EN 60669-1:2018
IEC 60669-2-1:2021 NOTE Approved as EN IEC 60669-2-1:2022 (not modified) +A11:2022
IEC 60947-1:2020 NOTE Approved as EN IEC 60947-1:2021 (not modified)
IEC 60998-2-2:2002 NOTE Approved as EN 60998-2-2:2004
IEC/TR 63201:2019 NOTE Approved as CLC IEC/TR 63201:2020 (not modified)
IEC 63365 NOTE Approved as EN IEC 63365
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
IEC 60028 1925 International standard of resistance for - -
copper
IEC 60068-2-78 2012 Environmental testing - Part 2-78: Tests - EN 60068-2-78 2013
Test Cab: Damp heat, steady state
IEC 60073 2002 Basic and safety principles for man- EN 60073 2002
machine interface, marking and
identification - Coding principles for
indicators and actuators
IEC 60085 2007 Electrical insulation - Thermal evaluation EN 60085 2008
and designation
IEC 60112 2020 Method for the determination of the proof EN IEC 60112 2020
and the comparative tracking indices of
solid insulating materials
IEC 60417 - Graphical symbols for use on equipment. - -
Index, survey and compilation of the single
sheets.
IEC 60445 2021 Basic and safety principles for man- EN IEC 60445 2021
machine interface, marking and
identification - Identification of equipment
terminals, conductor terminations and
conductors
IEC 60447 2004 Basic and safety principles for man- EN 60447 2004
machine interface, marking and
identification - Actuating principles
IEC 60529 1989 Degrees of protection provided by EN 60529 1991
enclosures (IP Code)
- - + AC 1993
+ A1 1999 + A1 2000
+ A2 2013 + A2 2013
Publication Year Title EN/HD Year
IEC 60664-1 2020 Insulation coordination for equipment EN IEC 60664-1 2020
within low-voltage supply systems - Part 1:
Principles, requirements and tests
IEC 60695-2-10 2021 Fire hazard testing - Part 2-10: EN IEC 60695-2-10 2021
Glowing/hot-wire based test methods -
Glow-wire apparatus and common test
procedure
IEC 60695-2-11 2021 Fire hazard testing - Part 2-11: EN IEC 60695-2-11 2021
Glowing/hot-wire based test methods -
Glow-wire flammability test method for end
products (GWEPT)
IEC 60695-11-10 2013 Fire hazard testing - Part 11-10: Test EN 60695-11-10 2013
flames - 50 W horizontal and vertical flame
test methods
IEC 60947-4-1 2018 Low-voltage switchgear and controlgear - EN IEC 60947-4-1 2019
Part 4-1: Contactors and motor-starters -
Electromechanical contactors and motor-
starters
IEC 60947-5-1 2016 Low-voltage switchgear and controlgear - EN 60947-5-1 2017
Part 5-1: Control circuit devices and
switching elements - Electromechanical
control circuit devices
IEC 61000-4-2 - Electromagnetic compatibility (EMC) - Part EN IEC 61000-4-2 -
4-2: Testing and measurement techniques
- Electrostatic discharge immunity test
IEC 61000-4-3 - Electromagnetic compatibility (EMC) - Part EN IEC 61000-4-3 -
4-3 : Testing and measurement techniques
- Radiated, radio-frequency,
electromagnetic field immunity test
IEC 61000-4-4 - Electromagnetic compatibility (EMC) - Part EN 61000-4-4 -
4-4: Testing and measurement techniques
- Electrical fast transient/burst immunity
test
IEC 61000-4-5 - Electromagnetic compatibility (EMC) - Part EN 61000-4-5 -
4-5: Testing and measurement techniques
- Surge immunity test
IEC 61000-4-6 - Electromagnetic compatibility (EMC) - Part EN IEC 61000-4-6 -
4-6: Testing and measurement techniques
- Immunity to conducted disturbances,
induced by radio-frequency fields
IEC 61000-4-11 - Electromagnetic compatibility (EMC) - Part EN IEC 61000-4-11 -
4-11: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations
immunity tests for equipment with input
current up to 16 A per phase
IEC 61000-4-34 - Electromagnetic compatibility (EMC) - Part EN 61000-4-34 -
4-34: Testing and measurement
techniques - Voltage dips, short
interruptions and voltage variations
immunity tests for equipment with input
current more than 16 A per phase
Publication Year Title EN/HD Year
IEC 61140 2016 Protection against electric shock - EN 61140 2016
Common aspects for installation and
equipment
IEC 61180 2016 High-voltage test techniques for low- EN 61180 2016
voltage equipment - Definitions, test and
procedure requirements, test equipment
CISPR 14-1 2020 Electromagnetic compatibility - EN IEC 55014-1 2021
Requirements for household appliances,
electric tools and similar apparatus - Part
1: Emission
ISO 7000 2019 Graphical symbols for use on equipment - - -
Registered symbols
ISO 2039-2 1987 Plastics - Determination of hardness - Part EN ISO 2039-2 1999
2: Rockwell hardness
IEC 61095 ®
Edition 3.0 2023-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electromechanical contactors for household and similar purposes
Contacteurs électromécaniques pour usages domestiques et analogues
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.130.20, 29.120.99 ISBN 978-2-8322-7537-5
– 2 – IEC 61095:2023 © IEC 2023
CONTENTS
FOREWORD . 8
INTRODUCTION . 10
1 Scope . 11
2 Normative references . 11
3 Terms and definitions . 13
3.1 General terms . 13
3.2 Switching devices . 16
3.3 Parts of switching devices . 18
3.4 Operation of switching devices . 22
3.5 Characteristic quantities . 24
4 Classification . 28
5 Characteristics of contactors . 28
5.1 Summary of characteristics . 28
5.2 Type of contactor . 29
5.2.1 General . 29
5.2.2 Number of poles . 29
5.2.3 Method of control . 29
5.3 Rated and limiting values for main circuits . 29
5.3.1 General . 29
5.3.2 Rated voltages . 29
5.3.3 Currents or powers . 30
5.3.4 Rated frequency . 31
5.3.5 Rated duties . 31
5.3.6 Normal load and overload characteristics . 32
5.3.7 Rated conditional short-circuit current . 32
5.4 Utilization category . 33
5.4.1 General . 33
5.4.2 Assignment of utilization categories based on the results of tests . 33
5.5 Control circuits . 34
5.6 Auxiliary circuits . 34
5.7 Co-ordination with short-circuit protective devices . 34
6 Product information . 34
6.1 Nature of information . 34
6.1.1 General . 34
6.1.2 Identification . 34
6.1.3 Characteristics, basic rated values and utilization . 34
6.2 Marking . 35
6.3 Instructions for installation, operation and maintenance . 36
7 Normal service, mounting and transport conditions . 36
7.1 Normal service conditions . 36
7.1.1 General . 36
7.1.2 Ambient air temperature . 36
7.1.3 Altitude . 37
7.1.4 Atmospheric conditions . 37
7.1.5 Normal electromagnetic environmental conditions . 38
7.2 Conditions during transport and storage . 38
IEC 61095:2023 © IEC 2023 – 3 –
7.3 Mounting . 38
8 Constructional and performance requirements . 38
8.1 Constructional requirements . 38
8.1.1 General . 38
8.1.2 Materials . 38
8.1.3 Strength of screws or nuts other than those on terminals which are
intended to be operated during installation or maintenance . 39
8.1.4 Vacant . 40
8.1.5 Actuator . 40
8.1.6 Indication of the OFF and ON positions . 40
8.1.7 Terminals . 41
8.1.8 Additional requirements for contactors provided with a neutral pole . 43
8.1.9 Provisions for earthing . 43
8.1.10 Enclosures . 44
8.1.11 Degrees of protection of enclosed contactors . 45
8.1.12 Resistance to impact . 45
8.1.13 Durability of markings . 45
8.1.14 Fault and abnormal conditions . 45
8.2 Performance requirements . 46
8.2.1 Operating conditions . 46
8.2.2 Temperature-rise . 47
8.2.3 Dielectric properties . 50
8.2.4 Normal load and overload performance requirements . 52
8.2.5 Co-ordination with short-circuit protective devices . 54
8.3 EMC Electromagnetic compatibility . 55
8.3.1 General . 55
8.3.2 Immunity . 55
8.3.3 Emission . 55
8.4 Embedded software . 55
9 Tests . 56
9.1 Types of test . 56
9.1.1 General . 56
9.1.2 Type tests . 56
9.1.3 Routine tests . 56
9.1.4 Sampling tests for clearance verification . 57
9.2 Compliance with constructional requirements . 57
9.2.1 General . 57
9.2.2 Materials . 57
9.2.3 Test on screws or nuts other than those on terminals which are
intended to be operated during installation or maintenance . 60
9.2.4 Verification of the degrees of protection of enclosed contactors . 60
9.2.5 Mechanical properties of terminals . 60
9.2.6 Test of resistance to impact . 66
9.2.7 Test of durability of marking . 68
9.2.8 Breakdown of components . 68
9.3 Compliance with performance requirements . 69
9.3.1 Test sequences . 69
9.3.2 General test conditions . 69
9.3.3 Performance under no load, normal load and overload conditions . 71
– 4 – IEC 61095:2023 © IEC 2023
9.3.4 Performance under short-circuit conditions . 85
9.3.5 Overload current withstand capability . 90
9.3.6 Routine tests . 90
9.4 Tests for EMC . 90
9.4.1 General . 90
9.4.2 Immunity . 90
9.4.3 Emission . 92
Annex A (normative) Terminal marking and distinctive number . 114
A.1 General . 114
A.2 Terminal marking of impedances (alphanumerical) . 114
A.2.1 Coils . 114
A.2.2 Electromagnetic releases . 114
A.2.3 Interlocking electromagnets . 115
A.2.4 Indicating light devices . 115
A.3 Terminal marking of contact elements for contactors with two positions
(numerical) . 115
A.3.1 Contact elements for main circuits (main contact elements) . 115
A.3.2 Contact elements for auxiliary circuit (auxiliary contact elements) . 116
A.4 Distinctive number . 118
Annex B (normative) Test sequences and number of samples . 119
B.1 Test sequences . 119
B.2 Number of samples . 119
Annex C (normative) Description of a method for adjusting the load circuit . 121
Annex D (normative) Determination of short-circuit power-factor . 123
D.1 General . 123
D.2 Method I – Determination from DC component . 123
D.3 Method II – Determination with pilot generator . 124
Annex E (normative) Measurement of creepage distances and clearances. 125
E.1 Basic principles . 125
E.2 Use of ribs . 125
Annex F (normative) Correlation between the nominal voltage of the supply system
and the rated impulse withstand voltage of a contactor . 130
Annex G (normative) Hot wire ignition test . 132
Annex H (normative) Degrees of protection of enclosed contactor . 133
H.0 Guide to the use of Annex H . 133
H.1 Scope and object . 133
H.3 Terms and definitions . 133
H.4 Designation . 133
H.5 Degrees of protection against access to hazardous parts and against ingress
of solid foreign objects indicated by the first characteristic numeral . 133
H.6 Degrees of protection against ingress of water indicated by the second
characteristic numeral . 134
H.7 Degrees of protection against access to hazardous parts indicated by the
additional letter . 134
H.8 Supplementary letters . 134
H.9 Examples of designations with IP Code . 134
H.10 Marking . 134
H.11 General requirements for tests . 134
H.11.1 Subclause 11.1 of IEC 60529:1989 applies . 134
IEC 61095:2023 © IEC 2023 – 5 –
H.11.2 Subclause 11.2 of IEC 60529:1989 applies with the following additions . 134
H.11.3 Subclause 11.3 of IEC 60529:1989 applies with the following addition . 135
H.11.4 Subclause 11.4 of IEC 60529:1989 applies . 135
H.11.5 Where an empty enclosure is used as a component of an enclosed
device, 11.5 of IEC 60529:1989 applies . 135
H.12 Tests for protection against access to hazardous parts indicated by the first
characteristic numeral . 135
H.13 Tests for protection against ingress of solid foreign objects indicated by the
first characteristic numeral . 135
H.13.4 Dust test for first characteristic numerals 5 and 6 . 135
H.14 Tests for protection against water indicated by the second characteristic
numeral . 136
H.14.1 Subclause 14.1 of IEC 60529:1989 and IEC 60529:1989/AMD2:2013
apply . 136
H.14.2 Subclause 14.2 of IEC 60529:1989 and IEC 60529:1989/AMD2:2013
apply . 136
H.14.3 Subclause 14.3 of IEC 60529:1989 and IEC 60529:1989/AMD2:2013
apply with the following addition . 136
H.15 Tests for protection against access to hazardous parts indicated by the
additional letter . 136
Annex I (normative) Requirements and tests for equipment with protective separation . 137
I.1 General . 137
I.2 Terms and definitions . 137
I.3 Requirements . 138
I.3.1 General . 138
I.3.2 Dielectric requirements . 138
I.3.3 Construction requirements . 139
I.4 Tests . 139
I.4.1 General . 139
I.4.2 Dielectric tests . 139
I.4.3 Examples of constructional measures . 140
Bibliography . 141
Figure 1 – Thread-forming tapping screw . 92
Figure 2 – Thread-cutting tapping screw . 93
Figure 3 – Ball-pressure test apparatus (see 9.2.2.3.1) . 93
Figure 4 – Test equipment for flexion test (see 9.2.5.4). 93
Figure 5 – Gauges of form A and form B (see 9.2.5.6) . 94
Figure 6 – Pendulum for mechanical impact test apparatus (striking element)
(see 9.2.6.2.1) . 95
Figure 7 – Mounting support for sample, for mechanical impact test (see 9.2.6.2.1) . 96
Figure 8 – Pendulum hammer test apparatus (see 9.2.6.2.1) . 97
Figure 9 – Sphere test apparatus (see 9.2.6.2.2) . 97
Figure 10 – Jointed test finger (according to IEC 60529:1989, Figure 1) . 98
Figure 11 – Diagram of the test circuit for the verification of making and breaking
capacities of a single-pole contactor on single-phase AC . 99
Figure 12 – Diagram of the test circuit for the verification of making and breaking
capacities of a two-pole contactor on single-phase AC . 100
– 6 – IEC 61095:2023 © IEC 2023
Figure 13 – Diagram of the test circuit for the verification of making and breaking
capacities of a three-pole contactor . 101
Figure 14 – Diagram of the test circuit for the verification of making and breaking
capacities of a four-pole contactor . 102
Figure 15 – Schematic illustration of the recovery voltage across contacts of the first
phase to clear (see 9.3.3.5.2, e)) under ideal conditions . 103
Figure 16 – Diagram of a load circuit adjustment method . 104
Figure 17 – Diagram of the test circuit for the verification of short-circuit making and
breaking capacities of a single-pole contactor on single-phase AC. 105
Figure 18 – Diagram of the test circuit for the verification of short-circuit making and
breaking capacities of a two-pole contactor on single-phase AC . 106
Figure 19 – Diagram of the test circuit for the verification of short-circuit making and
breaking capacities of a three-pole contactor . 107
Figure 20 – Diagram of the test circuit for the verification of short-circuit making and
breaking capacities of a four-pole contactor . 108
Figure 21 – Example of short-circuit making and breaking test record in the case of a
single-pole contactor on single-phase AC . 109
Figure 22 – Diagram of the test circuit for making and breaking verification for
utilization category AC-7c . 110
Figure 23 – Example of screwless-type clamping units . 111
Figure 24 – Voltage drop measurement at contact point of the clamping terminal. 112
Figure 25 – Connecting samples for ageing test for screwless-type clamping units . 112
Figure 26 – Diagram of the test circuit for making and breaking verification for
utilization category AC-7d . 113
Figure C.1 – Determination of the actual value of the factor γ . 122
Figure E.1 – Measurement of ribs . 126
Figure E.2 – Creepage distance example 1 . 126
Figure E.3 – Creepage distance example 2 . 126
Figure E.4 – Creepage distance example 3 . 126
Figure E.5 – Creepage distance example 4 . 127
Figure E.6 – Creepage distance example 5 . 127
Figure E.7 – Creepage distance example 6 . 127
Figure E.8 – distance example 7 . 128
Figure E.9 – Creepage distance example 8 . 128
Figure E.10 – Creepage distance example 9 . 128
Figure E.11 – Creepage distance example 10 . 129
Figure E.12 – Creepage distance example 11 . 129
Figure G.1 – Test fixture for hot wire ignition test . 132
Figure I.1 – Example of application with component connected between separated
circuits . 140
Table 1 – Utilization categories . 33
Table 2 – Standard cross-sections of round copper conductors . 42
Table 3 – Temperature-rise limits for insulated coils in air . 47
Table 4 – Temperature-rise limits of terminals . 48
Table 5 – Temperature-rise limits of accessible parts . 48
IEC 61095:2023 © IEC 2023 – 7 –
Table 6 – Intermittent duty test cycle data . 49
Table 7 – Making and breaking capacities. Making and breaking conditions
corresponding to the utilization categories . 53
Table 8 – Relationship between current broken I and off-time for the verification of
c
rated making and breaking capacities . 53
Table 9 – Conventional operational performance. Making and breaking conditions
corresponding to the utilization categories . 54
Table 10 – Overload current withstand requirements . 54
Table 11 – Tightening torques for the verification of the mechanical strength of
screw-type terminals . 61
Table 12 – Test values for flexion and pull-out tests for round copper conductors . 62
Table 13 – Maximum conductor cross-sections and corresponding gauges . 64
Table 14 – Tolerances on test quantities . 70
Table 15 – Test copper conductors . 73
Table 16 – Impulse test voltages and corresponding altitudes . 78
Table 17 – Minimum clearances in air . 78
Table 18 – Minimum creepage distances . 79
Table 19 – Dielectric test voltage corresponding to the rated insulation voltage . 79
Table 20 – Values for I and I t depending on the type of distribution system . 82
peak
Table 21 – Calculated circuit parameters . 83
Table 22 – relationship between the prospective fault current in the fusible element
circuit and the diameter of the copper wire . 84
Table 23 – Values of power-factors corresponding to test currents and ratio n between
peak and RMS values of current . 87
Table 24 – Value of the prospective test current according to the rated operational
current . 89
Table 25 – Tests for EMC – Immunity . 91
Table 26 – Specific acceptance criteria for immunity tests . 91
Table 27 – Terminal disturbance voltage limits for conducted radio-frequency emission
(for mains ports) . 92
Table 28 – Radiated emission test limits . 92
Table B.1 – Test sequences . 119
Table B.2 – Number of samples to be tested . 120
Table E.1 – Minimum values of width of grooves according to the pollution degrees . 125
Table F.1 – Correspondence between the nominal voltage of the supply system and
the contactor rated impulse withstand voltage, in case of overvoltage protection by
a
surge-arresters according to IEC 60099-1 . 131
– 8 – IEC 61095:2023 © IEC 2023
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTROMECHANICAL CONTACTORS
FOR HOUSEHOLD AND SIMILAR PURPOSES
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
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
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
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any at
...
SIST EN IEC 61095:2025に関する標準化文書は、家庭用及び類似用途向けの電気機械的接触器に関する重要な技術基準を提供しています。この標準は、IEC 61095:2023に基づいており、440 V ACを超えない回路に接続される主接点を持つ電磁ブレーカーに適用されます。このように、使用カテゴリーAC-7aにおいて63 Aまで、AC-7b、AC-7c、およびAC-7dにおいては32 Aまでの定格動作電流をサポートし、定格条件短絡電流は6 kA以下です。 この最新の第三版は、2009年に発行された第二版を取り消し、技術的な改訂を含んでいます。特に、次のような重要な技術的変更が加えられています。第一に、ネジなし端子に関する要件が追加されています。これにより、接続の簡便さと安全性が向上し、家庭での利用において一層の便利さがもたらされます。 第二に、LEDランプの切替に関する要件も新たに設けられました。多くの家庭でLED技術を使用した照明負荷が増加している現状を受けて、家庭用接触器に新しいカテゴリAC-7dが設けられ、これらの負荷を適切に管理するための要件と試験が追加されました。 第三に、電子制御電磁石を持つ接触器に対する新しい要件も導入されました。これらの家庭用接触器は市場に出回っており、運転限界や異常条件下での動作に関する試験が含まれています。このような対応により、より安定した機器運用が期待できます。 最後に、埋め込まれたソフトウェアに関するガイドラインも含まれており、電子回路が組み込まれた接触器が増加する中で、ソフトウェアの設計に関する明確な指針が提供されています。 全体として、SIST EN IEC 61095:2025は、家庭用接触器の安全性と性能を向上させるために非常に重要な役割を果たすもので、その適用範囲は現代の家庭の照明ニーズを反映した設計思想を持っています。この標準の導入は、電気機器の信頼性と安全性を高め、業界における競争力をさらに強化するものです。
SIST EN IEC 61095:2025는 가정용 및 유사 용도의 전자기 접촉기에 관한 표준으로, 전세계에서 널리 사용되고 있는 IEC 61095:2023의 세 번째 개정판입니다. 이 표준은 440V AC 이하의 전압과 63A 이하의 정격 조건에서 작동하는 전자기 공기 차단 접촉기에 적용됩니다. 특히 가정용 조명 부하를 제어하는 데에 필요한 요구 사항을 포함하고 있어, LED 조명 기술의 발전을 반영하는 AC-7d 카테고리가 새롭게 추가되었습니다. 이 표준의 강점 중 하나는 무나사 터미널에 대한 요구 사항이 추가됨으로써 안전성과 효율성을 높였다는 점입니다. 전자기 유도 코일을 제어하는 접촉기에 대한 요구 사항을 포함하여 비정상 조건에서의 동작 한계와 구성 요소의 고장, EMC 시험 등을 다루고 있어 현대의 기술 발전을 충분히 반영하고 있습니다. 또한, 점점 더 많은 접촉기가 임베디드 소프트웨어를 통합하고 있는 점도 주목할 만하며, 이 표준은 소프트웨어 설계에 대한 지침을 제공하여 엔지니어들이 안전하고 효율적인 설계를 할 수 있도록 도와줍니다. 전체적으로 SIST EN IEC 61095:2025는 최신 기술 및 시장 요구를 반영하여 가정용 전자기 접촉기의 안전성과 신뢰성을 높이는 데 중요한 역할을 하고 있습니다.
The SIST EN IEC 61095:2025 standard addresses the specifications for electromechanical contactors used in household and similar settings, making it a critical document for industry professionals. Its scope is clearly delineated, focusing on air break contactors designed for circuits with a rated voltage not exceeding 440 V AC and operational currents up to 63 A, with provisions for varying utilization categories. This thorough scope ensures that the standard is pertinent to a range of domestic applications, particularly as technology evolves in home electrical systems. One of the strengths of this standard is its comprehensive nature, as it has been updated to incorporate significant technical revisions from the previous edition. The inclusion of requirements for screwless terminals is particularly noteworthy, as it reflects the industry's shift toward more efficient and user-friendly connections. Additionally, the standard recognizes the growing prevalence of LED lighting by establishing specific testing protocols for contactors that control these types of loads, categorized under AC-7d. Moreover, the standard aligns with modern advancements by including requirements for contactors with electronically controlled electromagnets, ensuring that they meet operational, safety, and electromagnetic compatibility (EMC) criteria. This aspect enhances the relevancy of the standard amid the increasing use of advanced electromechanical devices in residential settings. Another critical feature of the SIST EN IEC 61095:2025 is its focus on embedded software within contactors. By providing guidance for the design of software used in these devices, the standard ensures that manufacturers adhere to quality and safety benchmarks that reflect contemporary technological integration. Overall, the SIST EN IEC 61095:2025 standard serves as an essential guideline for ensuring that electromechanical contactors are safe, reliable, and effective for household and similar purposes, addressing the dynamic needs of the industry while fostering innovation and improved functionality.
Die Norm SIST EN IEC 61095:2025 stellt eine umfassende Grundlage für elektromechanische Schütze für Haushalts- und ähnliche Anwendungen dar und zeigt sich als wesentlich für die Sicherheit und Effizienz in diesem Bereich. Der Anwendungsbereich umfasst elektromechanische Luftschütze, die für Schaltungen mit einer Nennspannung von bis zu 440 V AC und einer maximalen Betriebsstromstärke von 63 A bei der Nutzungskategorie AC-7a sowie 32 A für die Kategorien AC-7b, AC-7c und AC-7d ausgelegt sind. Diese Norm berücksichtigt alle relevanten technischen Inhalte der vorherigen Ausgabe und bietet darüber hinaus zahlreiche Verbesserungen. Zu den Stärken der Norm zählt die Ergänzung spezifischer Anforderungen für schraubenlose Anschlussklemmen, die in modernen Anwendungen zunehmend verwendet werden. Dies erhöht nicht nur die Benutzerfreundlichkeit, sondern sorgt auch für eine verbesserte Sicherheitsleistung, da aufwendige Verdrahtungstechniken reduziert werden. Ein weiterer wesentlicher Aspekt ist die Berücksichtigung der LED-Technologie in der elektrischen Beleuchtung. Mit der Schaffung der speziellen Kategorie AC-7d wird den Bedürfnissen des Marktes Rechnung getragen, indem Anforderungen und Tests für das Schalten von LED-Lampen hinzugefügt werden. Dies fördert eine sicherere und effizientere Anwendung von Schützen in modernen Beleuchtungssystemen. Die Einbeziehung von Anforderungen für Schütze mit elektronisch gesteuerten Elektromagneten in dieser Überarbeitung zeigt die Relevanz der Norm für aktuelle Markttrends. Solche Geräte sind bereits seit Jahren auf dem Markt, und die neuen Anforderungen zur Regelung der Betriebsgrenzen, zum Verhalten unter abnormalen Bedingungen sowie zu EMC-Tests sind entscheidend für die Gewährleistung einer hohen Funktionalität und Sicherheit. Schließlich behandelt die Norm auch den Einsatz von eingebetteter Software in modernen Schützen. Die Bereitstellung von Referenzen zur Gestaltung dieser Software ist ein Schritt, der den Technologiefortschritt unterstützt und die Integration intelligenter Steuerungslösungen in Schütze fördert. Zusammenfassend lässt sich sagen, dass die Norm SIST EN IEC 61095:2025 nicht nur grundlegende Anforderungen an elektromechanische Schütze festlegt, sondern auch proaktive Maßnahmen zur Anpassung an technologische Entwicklungen und Marktbedürfnisse ergreift. Ihre Relevanz in der heutigen Zeit ist unbestritten und sichert die Effizienz, Sicherheit und Funktionalität in Haushalts- und ähnlichen Anwendungen.
Le document de normalisation SIST EN IEC 61095:2025 est d'une grande importance dans le domaine des contacteurs électromécaniques destinés aux applications domestiques et similaires. Cette norme couvre spécifiquement les contacteurs à rupture d'air, conçus pour des circuits à tension nominale ne dépassant pas 440 V AC et des courants opérationnels allant jusqu'à 63 A, ce qui en fait un outil essentiel pour garantir la sécurité et la performance dans les installations domestiques. Les points forts de cette norme résident dans ses modifications techniques significatives par rapport à l'édition précédente de 2009. L'ajout de nouvelles exigences pour les bornes sans vis témoigne d'un souci de faciliter le câblage tout en assurant une connexion fiable. Cette avancée technique permet d'améliorer l'utilisation et l'installation des contacteurs, simplifiant ainsi leur intégration dans les systèmes électriques modernes. De plus, la norme considère explicitement l'évolution technologique en introduisant des exigences pour le contrôle des lampes LED. L'ajout d'une catégorie spécifique, AC-7d, reflète l'importance croissante des lampes LED dans les applications d'éclairage. Cela montre que la norme s'adapte aux développements du marché et favorise l'usage de technologies innovantes dans les systèmes d'éclairage domestiques. L'inclusion de spécifications pour les contacteurs dotés d'électroaimants contrôlés électroniquement est une autre force de cette mise à jour. Cela permet de mieux réguler le fonctionnement des dispositifs modernes, en prenant en compte les limites opérationnelles, le comportement en conditions anormales et les tests de compatibilité électromagnétique (CEM). Ce point est crucial car il répond aux besoins des professionnels du secteur face à un marché en évolution rapide. Enfin, la norme aborde également l'intégration des logiciels embarqués dans les contacteurs, soulignant l'importance croissante des circuits électroniques. La référence fournie pour la conception de ce logiciel montre que la norme ne se limite pas seulement aux aspects matériels, mais envisage également l'impact des technologies numériques sur le fonctionnement des contacteurs. En résumé, la norme SIST EN IEC 61095:2025 représente une avancée significative dans le domaine des contacteurs électromécaniques pour les applications domestiques. Son actualisation souligne l'engagement à évoluer avec les technologies modernes et à améliorer les aspects de sécurité, d'efficacité opérationnelle et de compatibilité des dispositifs, renforçant ainsi sa pertinence et son importance dans l'industrie.
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