33.100 - Electromagnetic compatibility (EMC)
ICS 33.100 Details
Electromagnetic compatibility (EMC)
Elektromagnetische Interferenzen. Elektromagnetische Vertraglichkeit (EMV)
Compatibilite electromagnetiques (CEM)
Elektromagnetna združljivost (EMC)
General Information
Frequently Asked Questions
ICS 33.100 is a classification code in the International Classification for Standards (ICS) system. It covers "Electromagnetic compatibility (EMC)". The ICS is a hierarchical classification system used to organize international, regional, and national standards, facilitating the search and identification of standards across different fields.
There are 2935 standards classified under ICS 33.100 (Electromagnetic compatibility (EMC)). These standards are published by international and regional standardization bodies including ISO, IEC, CEN, CENELEC, and ETSI.
The International Classification for Standards (ICS) is a hierarchical classification system maintained by ISO to organize standards and related documents. It uses a three-level structure with field (2 digits), group (3 digits), and sub-group (2 digits) codes. The ICS helps users find standards by subject area and enables statistical analysis of standards development activities.
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IEC 61400-40:2026 provides the EMC requirements and test methods that apply to the individual wind turbine and all the sub systems which are part of the wind turbine.
The current document applies to measurements on individual wind turbines and not multiple wind turbines.
This document defines the requirements and test methods for the verification of the wind turbine performance against radiated emissions and the immunity of their components against conducted and radiated phenomena. This document is applicable to onshore and offshore wind turbines.
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This part of EN 61326 is a product family standard specifying requirements for immunity and emissions regarding electromagnetic compatibility (EMC) for electrical equipment, operating from a supply or battery of less than 1 000 V AC or 1 500 V DC or from the circuit being measured. Equipment intended for professional, industrial-process, industrial-manufacturing and educational use is covered by this part. It includes equipment and computing devices for - measurement and test; - control; - LABORATORY use; - accessories intended for use with the above (such as sample handling equipment), intended to be used in industrial and non-industrial locations.
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The present document covers the assessment of the following maritime radio beacons in respect of ElectroMagnetic Compatibility (EMC):
• Emergency Position Indicating Radio Beacons (EPIRBs) operating in the COSPAS-SARSAT satellite system in the UHF band 406,0 MHz to 406,1 MHz and in the maritime VHF band on frequencies 161,975 MHz (AIS1) and 162,025 MHz (AIS2).
• Personal Locating Beacons (PLBs) operating in the COSPAS-SARSAT satellite system in the UHF band 406,0 MHz to 406,1 MHz.
• Maritime Survivor Locating Devices (MSLDs) operating in the maritime VHF band on frequencies 156,525 MHz (CH 70), 161,975 MHz (AIS1) and 162,025 MHz (AIS2).
• Mobile Aids to Navigation (AtoN) operating on 161,975 MHz (AIS1) and 162,025 MHz (AIS2).
• Search And Rescue Transmitters (SARTs) operating on 161,975 MHz (AIS1) and 162,025 MHz (AIS2).
Any of the above devices may also include homing transmitters operating on 121,5 MHz and/or 243 MHz. These devices may operate stand alone or together with ancillary equipment as a system. Technical specifications related to the antenna port and emissions from the enclosure port of radio beacons are not included in the present document. Such technical specifications are found in the related product standards for the effective use of the radio spectrum. The present document specifies the applicable test conditions, performance assessment, and performance criteria for radio beacons and the associated ancillary equipment. NOTE: The relationship between the present document and essential requirements of article 3.1b of Directive 2014/53/EU [i.2] is given in annex A.
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The present document contains the common requirements for marine radio communications and radio determination equipment and associated ancillary equipment operating from any combination of internal batteries, DC and single phase AC, in respect of ElectroMagnetic Compatibility (EMC). The provisions of the present document apply to marine radio equipment not covered in the scope of the Council Directive on marine equipment (the "Marine Equipment Directive" 2014/90/EU [i.4]). Product dependent arrangements necessary to perform the EMC tests on dedicated types of marine radio communications and radio determination equipment, and the assessment of test results, are detailed in the appropriate product related parts of the present document. The present document, together with the product related part, specifies the applicable EMC tests, the methods of measurement, the limits and the performance criteria for marine radio equipment and associated ancillary equipment. In case of differences (for instance concerning special conditions, definitions, abbreviation) between the present document and the relevant product related part of the present document, the product related part takes precedence. For the further content of the present document, the expression "radio equipment" is taken to mean marine radio communications or radio determination equipment, in each individual case. Technical specifications related to the antenna port of radio equipment and emissions from the enclosure port of radio equipment and combinations of radio and associated ancillary equipment are not included in the present document. Such technical specifications are normally found in the relevant product standards for the effective use of the radio spectrum. The environment classification used in the present document is maritime, as defined in EN IEC 60945 [i.3]. Marine radio communications equipment meeting the EMC requirements set out in EN IEC 61000-6-3 [i.1] and EN 61000-6-1 [i.2] is deemed to meet also the EMC requirements for the maritime environment described in EN IEC 60945 [i.3]. The EMC requirements have been selected to ensure an adequate level of compatibility for apparatus intended to be used in the maritime environment. The levels, however, do not cover extreme cases which may occur in any location but with low probability of occurrence.
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IEC 61000-6-3:2026 is applicable only if no relevant dedicated product or product family EMC emission standard has been published. This part of IEC 61000 for emission requirements applies to electrical and electronic equipment intended for use at residential (see 3.1.21) locations. This part of IEC 61000 also applies to electrical and electronic equipment intended for use at other locations that do not fall within the scope of IEC 61000-6-8 or IEC 61000-6-4. The intention is that all equipment used in the residential, commercial and light-industrial locations are covered by IEC 61000-6-3 or IEC 61000-6-8. If there is any doubt the requirements in IEC 61000-6-3 apply. Equipment that has a radio function (3.1.20) are included in the scope of this document. However, the emission requirements in this document are not intended to be applicable to the intentional transmissions from these radio transmitters, their harmonics and their out of band emissions. Not all disturbance phenomena have been included for testing purposes but only those considered relevant for the equipment intended to operate within the locations included within this document.
The objectives of this document are:
- to establish requirements that provide an adequate level of protection of radio reception in the frequency range 9 kHz to 400 GHz;
- to establish requirements that provide an adequate level of protection against conducted and radiated electromagnetic disturbances emitted by equipment in the scope of this document;
- to support the reproducibility of measurement and the repeatability of results.
NOTE 1 In special cases, situations will arise where the levels specified in this document will not offer adequate protection; for example, where a sensitive receiver is used in close proximity to an equipment. In these instances, special mitigation measures can be employed.
NOTE 2 Disturbances generated in fault conditions of equipment are not covered by this document.
NOTE 3 The requirements in this document are more stringent or equivalent to the requirements specified in IEC 61000-6-4 and IEC 61000-6-8.
This fourth edition cancels and replaces the third edition published in 2020. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) the addition of magnetic field emission requirements, including the measurement of WPT function;
b) the extension of low-voltage AC mains power requirements to cover the range 9 kHz to 150 kHz;
c) products with a radio function have been added to the scope;
d) limits in a FAR for rack mounted equipment have been added.
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IEC TS 61000-1-6:2026, which is a Technical Specification provides methods and background information for the evaluation of measurement uncertainty in electromagnetic compatibility (EMC) tests and calibrations. It gives guidance to cover general measurement uncertainty considerations within the IEC 61000 series. The objective of this document is to give advice to EMC technical committees dealing with EMC tests, testing laboratories and calibration laboratories on the development of measurement uncertainty budgets; to allow uniform development and comparability of these budgets between laboratories; and to align the treatment of measurement uncertainty across the technical committees of the IEC dealing with EMC tests.
Any contributing factor to measurement uncertainty that is mentioned within this document will be treated as an example: the EMC committee responsible for the preparation of a basic immunity or emission standard is responsible for identifying the factors that contribute to the measurement uncertainty of the relevant test method. This document provides:
• methods for the evaluation of measurement uncertainty (MU),
• mathematical formulae for probability density functions and their interpretation,
• examples of MU calculations,
• examples of MU applications,
• MU reporting information.
This document is not intended to summarize all measurement uncertainty influence quantities, nor is it intended to specify how measurement uncertainty will be taken into account in determining compliance with an EMC requirement. This first edition cancels and replaces the first edition of IEC TR 61000-1-6 published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) purpose of and responsibilities in measurement uncertainty evaluation by testing and calibration laboratories, technical committees dealing with EMC requirements have been introduced;
b) classification of measurement uncertainty contributions (measurement uncertainty, measurement instrumentation uncertainty, intrinsic uncertainty of the measurand) has been revised;
c) new clauses devoted to measurement uncertainty in emission test methods and measurement uncertainty in immunity test methods and in calibration have been added;
d) methods of measurement uncertainty calculation have been enriched by introducing the GUM Supplement 1 (GUMS1) numerical approach based on Monte Carlo method;
e) measurement uncertainty budget development has been revised to include the basic steps to follow in case of application of the GUM method or of the GUMS1 method;
f) a clause specifically devoted to the measurement model function has been added to emphasize the importance of the measurement model and to provide guidance when the measurement model is unknown;
g) the clause on probability density functions has been revised to include the Student-t probability density function;
h) the clause on Type A and Type B evaluations of uncertainty has been revised to improve readability;
i) the clause on the conversion from linear quantities to decibel and vice versa has been revised to improve readability and make some corrections;
j) the clause on the applicability of measurement uncertainty has been modified to improve readability and to remove statements conflicting with conformity assessments standards;
k) Annex A and Annex B have been revised by including results of GUMS1 application;
l) new annexes have been introduced, namely Annex C (on metrological confirmation of measurement equipment), Annex D (on sampling statistics, moved from the main text to this annex to improve readability of the whole document), Annex E (on robust statistics for processing interlaboratory comparison data, with example), Annex F (including an example of application of MU for the assessment of the risk of an out of tolerance of measurement equipment) and Annex G (including an example of appli
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IEC 61000-4-30:2025 defines the methods for measurement and interpretation of results for power quality parameters in AC power supply systems with a declared fundamental frequency of 50 Hz or 60 Hz. Measurement methods are described for each relevant parameter in terms that give reliable and repeatable results, regardless of the method’s implementation. This document addresses measurement methods for in-situ measurements. This document covers two classes of measurement methods (Class A and Class S). The classes of measurement are specified in Clause 4.
NOTE 1 In this document, “A” stands for “advanced” and “S” stands for “surveys”.
Measurement of parameters covered by this document is limited to conducted phenomena in power systems. The power quality parameters considered in this document are power frequency, magnitude of the supply voltage, flicker, supply voltage dips and swells, voltage interruptions, transient voltages, supply voltage unbalance, voltage harmonics and interharmonics, rapid voltage changes, mains communicating system (MCS) voltages, magnitude of current, harmonic currents, interharmonic currents and current unbalance. Emissions in the 2 kHz to 150 kHz range are considered in Annex C and Annex D. Depending on the purpose of the measurement, all or a subset of the phenomena on this list can be measured.
NOTE 2 Test methods for verifying compliance with this document can be found in IEC 62586-2.
NOTE 3 The effects of transducers inserted between the power system and the instrument are acknowledged but not addressed in detail in this document. Guidance about effects of transducers can be found IEC TR 61869-103.
This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:
a) IEC 61000-4-30:2015/AMD1:2021 and IEC 61000-4-30:2015/COR1:2016 were included.
b) The measurement method for rapid voltage changes (RVC) has been corrected and extended.
c) The measurement method for voltage events has been updated and extended.
d) Annex C was divided into 2 parts:
1) Annex C: The measurement method from IEC 61000-4-7:2002 and IEC 61000‑4‑7:2002/AMD1:2008, Annex B for conducted emissions in the 2 kHz to 9 kHz range has been separate
2) Annex D: A new measurement method for conducted emissions in the 9 kHz to 150 kHz range has been added.
e) Annex D (underdeviation and overdeviation parameters) was removed.
f) Annex E (Class B) was removed.
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The present document specifies technical characteristics and methods of measurement in respect of ElectroMagnetic Compatibility (EMC) for the following equipment:
• Secondary Surveillance Radar (SSR) interrogator;
• SSR Far Field Monitor (FFM);
• Multilateration (MLAT);
• Wide Area Multilateration (WAM);
• Distance Measurement Equipment (DME) land station transponder;
• Extended Squitter (ES) / Non Transponder (NT).
operating in the frequency range 960 MHz to 1 215 MHz. The above mentioned radio equipment can be intended for use at a fixed location or mobile use. The standard covers equipment consisting of one or more enclosures that contain at least one of the following functionalities: transmitter, receiver, signal processing. Other parts which are not part of the navigation functionality e.g. local UPS, air conditioning equipment, dehumidifying equipment, communication network equipment, etc., are not in the scope of the present document, unless these parts are implemented inside the system enclosure(s). NOTE 1: The relationship between the present document and essential requirements of article 3.1(b) of Directive 2014/53/EU [i.1] is given in annex A. Technical specifications related to conducted emission EMC requirements below 9 kHz on the AC mains port of radio equipment are not included in the present document. NOTE 2: Such technical specifications are normally found in the relevant product family standards for AC mains powered equipment (e.g. EN 61000-3-2 [i.3] and EN 61000-3-3 [i.4]).
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CISPR TR 30-3:2026 which is a Technical report , details the construction and parameters of a reference luminaire, a measurement procedure and conditions for assessment of the radio disturbance characteristics of electronic control gears (ECG) for LED light sources applied inside. This document is limited to ECGs (also called “control gears”) as well as end-user replaceable ECGs with the following characteristics or applications:
- applied in luminaires with safety protection class I;
NOTE This means that the mains interface of the ECG itself can have either a protective earth (PE) or a functional earth (FE) terminal. For details, see 4.6 and Table 2.
linear form factor, i.e. fits within the space provision defined in Figure A.1 a).
- ECGs with a rated output power less than 360 W.
Excluded from the scope of this document are
- ECGs for applications that are excluded in CISPR 15:2018 and CISPR 15:2018/AMD1:2024, and
- control gear with only L, N input terminals (without PE terminal).
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IEC TR 61000-3-18:2024 which is a technical report, reports on the development of a methodology for adapting IEC equipment emission limits from IEC 61000-3-2 and IEC 61000-3-12 for use in regions not covered by these documents. It identifies gaps in the existing equipment emission limit standards concerning their international applicability and identifies public power system characteristics important for the evaluation of harmonic voltage performance. The purpose of adapting the above-mentioned IEC equipment harmonic emission standards in a particular region is to maintain similar electromagnetic compatibility (EMC) of equipment up to 75 A per phase in the public power systems in those regions.
NOTE The boundaries between the various voltage levels differ amongst different countries (see IEC 60050‑601:1985, 601-01-28). This document uses the following terms when referring to 50 Hz and 60 Hz system voltages:
- low voltage (LV) refers to Un ≤ 1 kV;
- medium voltage (MV) refers to 1 kV - high voltage (HV) refers to 35 kV EMC requirements can have economic and societal impacts; these have not been considered in the development of this document. The consideration of these factors generally occurs in the technical committees working on development and maintenance of emission limit standards.
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IEC TR 61000-2-8:2002, which is a technical report, describes the electromagnetic disturbance phenomena of voltage dips and short interruptions in terms of their sources, effects, remedial measures, methods of measurement, and measurement results (in so far as these are available). They are discussed primarily as phenomena observed on the networks of public electricity supply systems and having an effect on electrical equipment receiving its energy supply from those systems.
“Voltage sag” is an alternative name for the phenomenon voltage dip.
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IEC TS 61300-3-16:2023 which is a technical specification, deals with the limits for harmonic (including grouped interharmonic) currents produced by the inverter of inverter-type electrical energy-supplying equipment (ESE) as defined in 3.2, but which does not include energy storage. The limits given in this document are applicable to inverters with a reference current as defined in 3.3 (see also 5.2.3) less than or equal to 75 A per phase, intended to be connected to public low-voltage AC distribution systems of the following types:
- single-phase, two or three wires; nominal voltage up to 240 V
- three-phase, three or four wires; nominal voltage up to 690 V
- nominal frequency of 50 Hz or 60 Hz.
This document specifies:
a) requirements and emission limits for equipment;
b) methods for type tests and simulations.
Tests in accordance with this document are type tests of complete pieces of equipment.
Equipment which mainly absorbs energy but which is capable of supplying energy to the public supply as a secondary function is out of the scope of this document.
EXAMPLE An elevator motor drive returning energy during braking.
This document provides limits and testing procedures for equipment in the range up to harmonic order 40 (h40), i.e. 2 000 Hz or 2 400 Hz depending on line frequency.
NOTE 1 It is possible that limits for frequencies in the range from 2 kHz to 9 kHz will be added in a future edition of this document.
NOTE 2 It is possible that limits and procedures for storage systems will be added in a future edition of this document.
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This document provides general methods for measurement and calculation of quantities associated with human exposure to electromagnetic fields in the frequency range from 0 Hz to 300 GHz. It is intended specifically to be used for the assessment of emissions from products and comparison of these with the exposure limits for the general public given in Council Recommendation 1999/519/EC, and those given for workers in Directive 2013/35/EU, as appropriate. It also is intended to be used for assessment of human exposure to electromagnetic fields in the workplace to determine compliance with the requirements of Directive 2013/35/EU.
This standard deals with quantities that can be measured or calculated external to the body, notably electric and magnetic field strength or power density, and includes the measurement and calculation of quantities inside the body that form the basis for protection guidelines. In particular the standard provides information on:
- definitions and terminology,
- characteristics of electromagnetic fields,
- measurement of exposure quantities,
- instrumentation requirements,
- methods of calibration,
- measurement techniques and procedures for evaluating exposure,
- calculation methods for exposure assessment.
Where an applicable electromagnetic field standard specific to a product or technology exists it is expected to be used rather than this document. EN 62311:-, Table 1 gives a list of relevant standards.
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This part of IEC 61000 provides guidance on principles which can be used as the basis for determining the requirements for the connection of unbalanced installations (i.e. three-phase installations causing voltage unbalance) to MV, HV and EHV public power systems (LV installations are covered in other IEC documents). For the purposes of this report, an unbalanced installation means a three-phase installation (which may be a load or a generator) that produces voltage unbalance on the system. The connection of single-phase installations is not specifically addressed, as the connection of such installations is under the control of the system operator or owner. The general principles however may be adapted when considering the connection of single-phase installations. The primary objective is to provide guidance to system operators or owners on engineering practices, which will facilitate the provision of adequate service quality for all connected customers. In addressing installations, this document is not intended to replace equipment standards for emission limits.
The report addresses the allocation of the capacity of the system to absorb disturbances. It does not address how to mitigate disturbances, nor does it address how the capacity of the system can be increased.
Since the guidelines outlined in this report are necessarily based on certain simplifying assumptions, there is no guarantee that this approach will always provide the optimum solution for all unbalanced load situations. The recommended approach should be used with flexibility and judgment as far as engineering is concerned, when applying the given assessment procedures in full or in part.
The system operator or owner is responsible for specifying requirements for the connection of installations which may cause unbalance on the system. The disturbing installation is to be understood as the complete customer’s installation (i.e. including balanced and unbalanced parts).
Problems related to unbalance fall into two basic categories.
• Unbalanced installations that draw negative-sequence currents which produce negativesequence voltages on the supply system. Examples of such installations include arc
furnaces and traction loads (typically connected to the public network at HV), and three phase installations where the individual loads are not balanced (typically connected at MV and LV). Negative-sequence voltage superimposed onto the terminal voltage of rotating machines can produce additional heat losses. Negative-sequence voltage can also cause non-characteristic harmonics (typically positive-sequence 3rd harmonic) to be produced by power converters.
• Unbalanced installations connected line-to-neutral can also draw zero-sequence currents which can be transferred or not into the supply system depending on the type of
connection of the coupling transformer. The flow of zero-sequence currents in a grounded neutral system causes zero-sequence unbalance affecting line-to-neutral voltages. This is not normally controlled by setting emission limits, but rather by system design and maintenance. Ungrounded-neutral systems and phase-to-phase connected installations are not, however, affected by this kind of voltage unbalance.
This report gives guidance only for the coordination of the negative-sequence type of voltage unbalance between different voltage levels in order to meet the compatibility levels at the point of utilisation. No compatibility levels are defined for zero-sequence type of voltage unbalance as this is often considered as being less relevant to the coordination of unbalance levels compared to the first type of voltage unbalance. However, for situations where a nonzero impedance exists between neutral and earth with the system still being effectively grounded (i.e., where the ratio between zero-sequence, X0 and positive sequence reactance X1 is 0 < X0/X1 ≤ 3), this type of voltage unbalance can be of concern especially when the type of connection of t
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IEC/TR 61000-3-15:2011(E) is concerned with the critical assessment of existing and emerging national and international standards for single and multi-phase dispersed generation systems up to 75 A per phase, particularly converters connected to the public supply low voltage network. This Technical Report intends to serve as a starting point and to ultimately pave the way for the definition of appropriate EMC requirements and test conditions. This Technical Report is limited to EMC issues (immunity and emission) up to 9 kHz and does not include other aspects of connection of generators to the grid. This Technical Report focuses on emission caused by distributed generation (mainly harmonics and inter-harmonics, DC emissions flicker, rapid voltage changes and fluctuations), as well as immunity aspects to normally occurring events in the public supply network (voltage dips and short interruptions, frequency variations, harmonics and interharmonics). Every effort has been made to utilize already existing emission and immunity standards, including the test set-up and existing test equipment in use.
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IEC;TR 60725:2012, which is a technical report, records the information that was available and the factors that were taken into account in arriving at the reference impedances that were incorporated in IEC 60555 and which are now incorporated in some parts of IEC 61000-3. In addition, information is given on the impedances of public supply networks associated with service current capacities =100 A per phase. The third edition includes brings two mainly significant technical changes with respect to the previous edition:
- a new survey and other data from countries with public supply networks operating at 60 Hz have been included; and
- recommendations that were applicable to 50 Hz systems are now mirrored by new recommendations that are relevant to 60 Hz systems.
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Subscribe to IEC 60061 Database to access the full and updated content of the series.
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IEC 61000-4-30:2025 defines the methods for measurement and interpretation of results for power quality parameters in AC power supply systems with a declared fundamental frequency of 50 Hz or 60 Hz. Measurement methods are described for each relevant parameter in terms that give reliable and repeatable results, regardless of the method’s implementation. This document addresses measurement methods for in-situ measurements. This document covers two classes of measurement methods (Class A and Class S). The classes of measurement are specified in Clause 4. NOTE 1 In this document, “A” stands for “advanced” and “S” stands for “surveys”. Measurement of parameters covered by this document is limited to conducted phenomena in power systems. The power quality parameters considered in this document are power frequency, magnitude of the supply voltage, flicker, supply voltage dips and swells, voltage interruptions, transient voltages, supply voltage unbalance, voltage harmonics and interharmonics, rapid voltage changes, mains communicating system (MCS) voltages, magnitude of current, harmonic currents, interharmonic currents and current unbalance. Emissions in the 2 kHz to 150 kHz range are considered in Annex C and Annex D. Depending on the purpose of the measurement, all or a subset of the phenomena on this list can be measured. NOTE 2 Test methods for verifying compliance with this document can be found in IEC 62586-2. NOTE 3 The effects of transducers inserted between the power system and the instrument are acknowledged but not addressed in detail in this document. Guidance about effects of transducers can be found IEC TR 61869-103. This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: a) IEC 61000-4-30:2015/AMD1:2021 and IEC 61000-4-30:2015/COR1:2016 were included. b) The measurement method for rapid voltage changes (RVC) has been corrected and extended. c) The measurement method for voltage events has been updated and extended. d) Annex C was divided into 2 parts: 1) Annex C: The measurement method from IEC 61000-4-7:2002 and IEC 61000‑4‑7:2002/AMD1:2008, Annex B for conducted emissions in the 2 kHz to 9 kHz range has been separate 2) Annex D: A new measurement method for conducted emissions in the 9 kHz to 150 kHz range has been added. e) Annex D (underdeviation and overdeviation parameters) was removed. f) Annex E (Class B) was removed.
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This part of CISPR 16 specifies the characteristics and performance of equipment for the measurement of radiated disturbances in the frequency range 9 kHz to 18 GHz. Specifications for antennas and test sites are included.
NOTE In accordance with IEC Guide 107 [1], 1 CISPR 16-1-4 is a basic EMC publication for use by product committees of the IEC. As stated in Guide 107, product committees are responsible for determining the applicability of the EMC standard. CISPR and its sub-committees are prepared to cooperate with product committees in the evaluation of the value of particular EMC tests for specific products.
The requirements of this publication apply at all frequencies and for all levels of radiated disturbances within the CISPR indicating range of the measuring equipment.
Methods of measurement are covered in CISPR 16-2-3, further information on radio disturbance is given in CISPR TR 16-3 [2], and uncertainties, statistics, and limit modelling are covered in CISPR 16-4 series.
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IEC 61326-2-7:2025 specifies the EMC test requirements for process automation equipment using at least one Ethernet APL (Ethernet ADVANCED PHYSICAL LAYER) compliant port according IEC TS 63444. The type of equipment covered by this document includes INFRASTRUCTURE DEVICES such as switches as well as measurement and control devices. This document provides requirements for the EMC test setups of the APL interface for devices intended for use in process control and process measurement.
The other functions of the equipment remain covered by other parts of the IEC 61326 series.
NOTE Ethernet-APL uses IEEE Std. 802.3 2022 Ethernet Physical Layer 10BASE-T1L, suitable to be used for full-duplex communication over a single balanced pair of conductors.
The test levels are based on the intended environment as stated in the product’s specification or user documentation and selected appropriately from IEC 61326-1.
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The present document specifies the EMC requirements for telecommunication equipment intended to be used within a telecommunications network, which provides telecommunications between Network Termination Points (NTPs) (i.e. excluding terminal equipment beyond the NTPs). Radio functionality (e.g. Bluetooth®, Wi-Fi®, GPS) incorporated in telecommunication network equipment is also within the scope of the present document. Examples (non-exhaustive list) of such equipment are:
1) Switching equipment. Such equipment includes:
- local telephone exchanges;
- remote switching concentrators;
- international switches;
- telex switches;
- network packet switches;
- base station controllers, radio network controllers;
- network servers and gateways.
2) Non-radio transmission equipment and ancillary equipment. Such equipment includes:
- multiplexers;
- line equipment and repeaters, e.g. equipment for:
- Synchronous Digital Hierarchy (SDH);
- Plesiochronous Digital Hierarchy (PDH);
- Asynchronous Transfer Mode (ATM);
such as:
- Digital Cross Connect systems;
- network terminations;
- transmission equipment used in the access network like xDSL.
3) Power supply equipment. Such equipment includes:
- central power plant;
- end of suite power supplies;
- uninterruptible power supplies;
- stabilized AC power supplies; and
- other dedicated telecommunication network power supplies
but excludes equipment which is uniquely associated with or integrated in other equipment.
4) Supervisory equipment. Such equipment includes:
- network management equipment;
- operator access maintenance equipment;
- traffic measurement systems;
- line test units;
- functional test units.
NOTE 1: The function of supervision may either be performed by independent equipment or form part of other telecommunication network equipment. If the function of supervision forms part of a telecommunication network equipment, the performance may be evaluated simultaneously with other functions (such as switching and transmission) during EMC testing.
5) Telecommunication network equipment incorporating radio equipment.
6) Data centre equipment which is intended to be used within telecommunication network infrastructure:
- Storage.
- Processor.
- Server.
The requirements applicable to radio interfaces of Telecommunication network equipment within the scope of the present document (e.g. Bluetooth®, Wi-Fi ®, GPS) are defined in clause 7 and annex D.
The environmental classification locations used in the present document refer to ETSI TR 101 651 [i.22]. The emission requirements of the present document refer to EN 55032 [31] that have been selected to ensure an adequate level of protection to radio services. The immunity requirements of the present document have been selected to ensure an adequate level of immunity for the apparatus covered by the scope of the present document. General purpose equipment, which is used as a part of a telecommunication network, may be covered by the scope of other standards. Equipment which also fall within the scope of EN 50083-2 [3] may require additional testing on the relevant RF ports. See clause 9.2 and annex C. Equipment may provide different functions, i.e. switching equipment may also provide transmission functions and transmission equipment may provide storage capabilities, etc. All available functions of the EUT are to be tested. Technical requirements related to conducted emission EMC requirements below 9 kHz on the AC mains port of telecommunication network equipment are not included in the present document.
NOTE 2: Such technical requirements are normally found in the relevant product family standards for AC mains powered equipment (e.g. EN 61000-3-2 [i.48] and EN 61000-3-3 [i.49]).
NOTE 3: The relationship between the present document and essential requirements of annex I.1 of Directive 2014/30/EU [i.31] and/or article 3.1(b) of Directive 2014/53/EU [i.6] is given in annex A.
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This document provides general methods for measurement and calculation of quantities associated with human exposure to electromagnetic fields in the frequency range from 0 Hz to 300 GHz. It is intended specifically to be used for the assessment of emissions from products and comparison of these with the exposure limits for the general public given in Council Recommendation 1999/519/EC, and those given for workers in Directive 2013/35/EU, as appropriate. It also is intended to be used for assessment of human exposure to electromagnetic fields in the workplace to determine compliance with the requirements of Directive 2013/35/EU. This standard deals with quantities that can be measured or calculated external to the body, notably electric and magnetic field strength or power density, and includes the measurement and calculation of quantities inside the body that form the basis for protection guidelines. In particular the standard provides information on: - definitions and terminology, - characteristics of electromagnetic fields, - measurement of exposure quantities, - instrumentation requirements, - methods of calibration, - measurement techniques and procedures for evaluating exposure, - calculation methods for exposure assessment. Where an applicable electromagnetic field standard specific to a product or technology exists it is expected to be used rather than this document. EN 62311:-, Table 1 gives a list of relevant standards.
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The present document concerns the assessment of Citizens' Band (CB) radio equipment intended for the transmission of speech and associated support equipment with regard to ElectroMagnetic Compatibility (EMC). Requirements relating to the antenna port and emissions from the housing port of CB radio equipment are not included in the present document. Such requirements can be found in the relevant product standards for the effective use of the radio spectrum, see Table 1.
NOTE: The relationship between the present document and the essential requirements of article 3.1(b) of Directive 2014/53/EU [i.4] is given in annex A.
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This part of CISPR 16 specifies the characteristics and performance of equipment for the measurement of radiated disturbances in the frequency range 9 kHz to 18 GHz. Specifications for antennas and test sites are included.
NOTE In accordance with IEC Guide 107 [1], 1 CISPR 16-1-4 is a basic EMC publication for use by product committees of the IEC. As stated in Guide 107, product committees are responsible for determining the applicability of the EMC standard. CISPR and its sub-committees are prepared to cooperate with product committees in the evaluation of the value of particular EMC tests for specific products.
The requirements of this publication apply at all frequencies and for all levels of radiated disturbances within the CISPR indicating range of the measuring equipment.
Methods of measurement are covered in CISPR 16-2-3, further information on radio disturbance is given in CISPR TR 16-3 [2], and uncertainties, statistics, and limit modelling are covered in CISPR 16-4 series.
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IEC 62153-4-7:2021 deals with the triaxial tube in tube method. This triaxial method is suitable to determine the surface transfer impedance and/or screening attenuation and coupling attenuation of mated screened connectors (including the connection between cable and connector) and cable assemblies. This method could also be extended to determine the transfer impedance, coupling or screening attenuation of balanced or multipin connectors and multicore cable assemblies. This third edition cancels and replaces the second edition published in 2015 and its Amendment 1:2018.This edition includes the following significant technical changes with respect to the previous edition:
- Annex E contains informative information about the direct measurement of screening effectiveness of connectors;
- Annex F gives normative information about mixed mode parameters;
- Annex G contains normative information about accessories for measuring coupling attenuation;
- Annex H discusses the low frequency screening attenuation.
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IEC 61000-4-30:2025 defines the methods for measurement and interpretation of results for power quality parameters in AC power supply systems with a declared fundamental frequency of 50 Hz or 60 Hz. Measurement methods are described for each relevant parameter in terms that give reliable and repeatable results, regardless of the method’s implementation. This document addresses measurement methods for in-situ measurements. This document covers two classes of measurement methods (Class A and Class S). The classes of measurement are specified in Clause 4.
NOTE 1 In this document, “A” stands for “advanced” and “S” stands for “surveys”.
Measurement of parameters covered by this document is limited to conducted phenomena in power systems. The power quality parameters considered in this document are power frequency, magnitude of the supply voltage, flicker, supply voltage dips and swells, voltage interruptions, transient voltages, supply voltage unbalance, voltage harmonics and interharmonics, rapid voltage changes, mains communicating system (MCS) voltages, magnitude of current, harmonic currents, interharmonic currents and current unbalance. Emissions in the 2 kHz to 150 kHz range are considered in Annex C and Annex D. Depending on the purpose of the measurement, all or a subset of the phenomena on this list can be measured.
NOTE 2 Test methods for verifying compliance with this document can be found in IEC 62586-2.
NOTE 3 The effects of transducers inserted between the power system and the instrument are acknowledged but not addressed in detail in this document. Guidance about effects of transducers can be found IEC TR 61869-103.
This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:
a) IEC 61000-4-30:2015/AMD1:2021 and IEC 61000-4-30:2015/COR1:2016 were included.
b) The measurement method for rapid voltage changes (RVC) has been corrected and extended.
c) The measurement method for voltage events has been updated and extended.
d) Annex C was divided into 2 parts:
1) Annex C: The measurement method from IEC 61000-4-7:2002 and IEC 61000‑4‑7:2002/AMD1:2008, Annex B for conducted emissions in the 2 kHz to 9 kHz range has been separate
2) Annex D: A new measurement method for conducted emissions in the 9 kHz to 150 kHz range has been added.
e) Annex D (underdeviation and overdeviation parameters) was removed.
f) Annex E (Class B) was removed.
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CISPR TR 16-4-4:2025 which is a Technical Report, establishes the CISPR model for the calculation of limits for the protection of radio services, based on data from the IEC Radio Services Database (RSD) and estimations of the input values for related probabilistic factors. This is part of the process of the derivation of disturbance limits in the radio frequency spectrum for use in publications containing emission requirements Application of this document leads to a frequency dependent limit result for a particular disturbance phenomenon and the considered product or product type establishing the technical basis in the CISPR limit specification procedure.
NOTE Non-technical parameters and terms that can be considered to influence a limit for inclusion in IEC publications are excluded from the modelling (see also Clause 4.6.5.3).
This third edition cancels and replaces the second edition published in 2007, Amendment 1:2017 and Amendment 2:2020. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) full revision of the limit calculation model;
b) the content on statistics of complaints was taken from this publication and published as separate document (CISPR TR 16-4-6);
c) application cases/rationales were separated from the model and will be handled in another document to be drafted.
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The present document specifies technical characteristics and methods of measurements in respect of ElectroMagnetic Compatibility (EMC) for the following equipment types:
1) digital cellular base station equipment, including BS with antenna ports and BS without antenna ports;
2) repeaters;
3) associated ancillary equipment.
Including individual and combinations of technologies listed in table 1.
Technical specifications related to conducted emission EMC requirements below 9 kHz on the AC mains port of radio equipment are not included in the present document.
NOTE 1: Such technical specifications are normally found in the relevant product family standards for AC mains powered equipment (e.g. EN 61000-3-2 [i.16] and EN 61000-3-3 [i.17]). Technical specifications related to the antenna port and emissions from the enclosure port of Base Station (BS), combinations of radio and associated ancillary equipment or repeaters are not included in the present document. Such technical specifications are found in the relevant product standards for the effective use of the radio spectrum. The environmental classification and the emission and immunity requirements used in the present document are as stated in ETSI EN 301 489-1 [1], except for any special conditions included in the present document.
NOTE 2: The relationship between the present document and essential requirements of article 3.1(b) of Directive 2014/53/EU [i.1] is given in Annex A.
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CISPR 16-1-4:2025 specifies the characteristics and performance of equipment for the measurement of radiated disturbances in the frequency range 9 kHz to 18 GHz. Specifications for antennas and test sites are included.
NOTE In accordance with IEC Guide 107. CISPR 16-1-4 is a basic EMC publication for use by product committees of the IEC. As stated in Guide 107, product committees are responsible for determining the applicability of the EMC standard. CISPR and its sub-committees are prepared to cooperate with product committees in the evaluation of the value of particular EMC tests for specific products.
The requirements of this publication apply at all frequencies and for all levels of radiated disturbances within the CISPR indicating range of the measuring equipment. Methods of measurement are covered in CISPR 16-2-3, further information on radio disturbance is given in CISPR TR 16-3, and uncertainties, statistics, and limit modelling are covered in CISPR 16-4 series. This fifth edition cancels and replaces the fourth edition published in 2019, Amendment 1:2020 and Amendment 2:2023. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) revision of the definition 3.1.7 and of the general introduction 8.1.1 for CMAD;
b) introduction of a new cable termination device, the very high frequency line impedance stabilization network (VHF-LISN) in 8.2;
c) addition of definition 3.1.34 for VHF-LISN, 3.1.20 for reference ground, 3.1.21 for reference ground plane and 3.1.31 for TN‑C‑S power system;
d) various non-technical editorial, style, and wording adjustments for consistency with drafting rules.
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This document explains the application of harmonized and other EMF standards for placing on the market combined products with single or multiple radios to demonstrate conformity with the essential requirements laid down in article 3(1)(a) (health and safety of persons and domestic animals and safety of property) of the Radio Equipment Directive 2014/53/EU (RED) [1]. In particular this document addresses:
- the EMF conformity assessment of this type of product, including how to make use of EMF assessments already performed on each constituent product of the combined product and to identify the additional assessment necessary;
- the selection of the exposure limits for general public or for workers and test conditions.
The type of products covered by this document is a product consisting of the combination of two or more products where at least one of them is a radio equipment as defined in the RED.
Examples and types of products to be covered by this document include, but are not limited to, a combination of radio product(s) in radio product (e.g. Hi-Fi receiver with WPAN module integrated), combination of radio and non-radio product (e.g. domestic appliance with WLAN module integrated, radio-controlled lighting system, etc.).
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IEC 61326-2-6:2025 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of IN VITRO DIAGNOSTIC MEDICAL ELECTRICAL EQUIPMENT (IVD MEE). This part of IEC 61326 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of IVD MEE in the presence of electromagnetic disturbances and to electromagnetic disturbances emitted by IVD MEE.
BASIC SAFETY with regard to electromagnetic disturbances is applicable to all IVD MEE.
NOTE 1 Performance with respect to electromagnetic disturbances other than ESSENTIAL PERFORMANCE is the subject of IEC 61326-1:2020
NOTE 2 IT equipment can be a part of an IVD MEE, if it is required to maintain BASIC SAFETY or ESSENTIAL PERFORMANCE.
This edition includes the following significant technical changes with respect to the previous edition:
- Update of the document with respect to test levels and documentation.
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This document explains the application of harmonized and other EMF standards for placing on the market combined products with single or multiple radios to demonstrate conformity with the essential requirements laid down in article 3(1)(a) (health and safety of persons and domestic animals and safety of property) of the Radio Equipment Directive 2014/53/EU (RED) [1]. In particular this document addresses: - the EMF conformity assessment of this type of product, including how to make use of EMF assessments already performed on each constituent product of the combined product and to identify the additional assessment necessary; - the selection of the exposure limits for general public or for workers and test conditions. The type of products covered by this document is a product consisting of the combination of two or more products where at least one of them is a radio equipment as defined in the RED. Examples and types of products to be covered by this document include, but are not limited to, a combination of radio product(s) in radio product (e.g. Hi-Fi receiver with WPAN module integrated), combination of radio and non-radio product (e.g. domestic appliance with WLAN module integrated, radio-controlled lighting system, etc.).
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IEC 61326-2-6:2025 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of IN VITRO DIAGNOSTIC MEDICAL ELECTRICAL EQUIPMENT (IVD MEE). This part of IEC 61326 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of IVD MEE in the presence of electromagnetic disturbances and to electromagnetic disturbances emitted by IVD MEE. BASIC SAFETY with regard to electromagnetic disturbances is applicable to all IVD MEE. NOTE 1 Performance with respect to electromagnetic disturbances other than ESSENTIAL PERFORMANCE is the subject of IEC 61326-1:2020 NOTE 2 IT equipment can be a part of an IVD MEE, if it is required to maintain BASIC SAFETY or ESSENTIAL PERFORMANCE. This edition includes the following significant technical changes with respect to the previous edition: - Update of the document with respect to test levels and documentation.
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IEC 61000-4-23:2016(E) provides a protective devices test method for HEMP and other radiated disturbances. It is primarily intended for HEMP testing but can be applied to other externally generated radiated disturbances where appropriate. It provides a brief description of the most important concepts for testing of shielding elements. For each test, the following basic information is provided:
- theoretical foundation of the test (the test concepts);
- test set-up including outside-to-in and inside-to-out measurements;
- required equipment;
- test procedures;
- data processing.
This international standard does not provide information on requirements for specific levels for testing. Due to the available space, a transmitting antenna position outside the barrier has mainly been suggested. However, nowadays, many EMP protection facilities in practical use do not actually have enough space available outside the electromagnetic barrier due to physical constraints such as concrete walls or soil to allow the method described in IEC 61000-4-23:2000 (edition 1) to be applied correctly. From experience many facilities have available space for a 1 m separation or less only. Therefore, in many practical cases it is not possible to measure shielding effectiveness according to the test method of previous documents. The constructors for EMP protection facilities are also unwilling to build facilities with extra space for measurements with the transmitting antenna outside the barrier due to the great expense and inefficiency of the operational working area for new or existing buildings. This document provides additionally a method that allows the transmitting antenna to be placed inside the enclosure and the receiving antenna outside the barrier ('inside-to-out' method). Annex F includes test set-up and procedure examples. This second edition cancels and replaces the first edition published in 2000. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) updates to the shielding effectiveness (SE) test method in Clause 5;
b) a new Annex F describing methods for testing 'inside-to-out' has been added.
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This document applies to industrial, scientific and medical electrical equipment operating in the
frequency range 0 Hz to 400 GHz and to domestic and similar appliances designed to generate
and/or use locally radio-frequency energy.
This document covers emission requirements related to radio-frequency (RF) disturbances in
the frequency range of 9 kHz to 400 GHz.
For ISM RF applications in the meaning of the definition found in the ITU Radio Regulations
(2020) (see Definition 3.1.18), this document covers emission requirements related to radiofrequency
disturbances in the frequency range of 9 kHz to 18 GHz.
ISM equipment which incorporates radio transmit/receive functions (host equipment with radio
functionality) is included in the scope of this document, see Annex F. However, the emission
requirements in this document are not intended to be applicable to the intentional transmissions
from a radio transmitter as defined by the ITU including their spurious emissions.
NOTE 1 This exclusion only applies to emissions from the intentional radio transmitter. However, combination
emissions, for example emissions resulting from intermodulation between the radio and the non-radio subassemblies
of the ISM equipment, are not subject to this exclusion.
NOTE 2 Emission requirements for induction cooking appliances are specified in CISPR 14-1 [1]1.
Requirements for ISM RF lighting equipment and UV irradiators operating at frequencies within
the ISM frequency bands defined by the ITU Radio Regulations are contained in this document.
Robots used for industrial, scientific and medical applications are in the scope of this document.
EXAMPLE Welding robots, spraying robots, handling robots, processing robots, assembly robots, medical robots,
education and experimental robots. A comprehensive list of robots in the scope of this document is given on the IEC
EMC zone.
NOTE 3 Flying robots, domestic helper robots, toy robots and entertainment robots are examples of robots in the
scope of other CISPR standards.
Equipment covered by other CISPR product and product family emission standards are
excluded from the scope of this document.
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CISPR 12:2025 The limits in this document are designed to provide protection in the frequency range of 30 MHz to 1 000 MHz for off-board receivers. Compliance with this document does not guarantee adequate protection for receivers nearer than 10 m to the vehicle, boat or device. This document applies to the emission of electromagnetic energy that can cause interference to radio reception and which is emitted from:
1) vehicles propelled by an internal combustion engine (ICE), electrical means or both (see 3.1.34);
2) boats propelled by an ICE, electrical means or both (see 3.1.4). Boats are tested in the same manner as vehicles except where they have unique characteristics as explicitly stated in this document;
3) devices equipped with ICE (see 3.1.9). In the case of hybrid devices (e.g. equipped with both ICE and traction batteries), only the ICE mode is included in this document;
4) inboard and outboard boat engines and motors [i.e. equipped with ICE, electric motor (EM), or both], when marketed independently.
See Annex D for a flow chart and a list of examples to help determine the applicability of CISPR 12.
This document does not apply to aircraft, household appliances, medical devices, traction systems (railway engine or locomotive, streetcar or tram and electric trolley bus), vehicle, boat and device off-board chargers or to incomplete vehicles, boats and devices. In the case of a dual-mode trolley bus (e.g. propelled by power from either AC/DC mains or an ICE), the ICE propulsion system is included, but the EM propulsion portion of the vehicle is excluded from this document. In addition, domestic helper robots, such as household cleaning robots, hotel service robots and personal safety robots are also excluded from the scope of this document.
NOTE 1 Other than inboard or outboard boat engines and motors that are marketed independently, this document does not apply to components or incomplete products, such as an ICE, an incomplete vehicle or boat that has not yet been fitted with an ICE or EM, or spare parts. This document only applies to the final product, which is equipped with all applicable parts and components to be able to function as intended.
NOTE 2 Appliances without ICE for typical housekeeping and service functions in the household and similar environment are covered by the requirements of CISPR 14-1[1].
NOTE 3 Protection of receivers used on board the same vehicle as the disturbance source(s) are covered by CISPR 25[2].
This document does not prescribe measurement methods or limits for conducted disturbances, for the charging mode of operation, where the (electric or hybrid) vehicle or boat is connected to power mains, either directly (i.e. plug-in vehicle or boat) or indirectly (i.e. wireless power charging). The user is referred to appropriate IEC and CISPR standards, which define measurement techniques and limits for this condition.
NOTE 4 See IEC 61851-21-1[3] for road vehicles and IEC 61000-6-3[4], IEC 61000-6-4[5] and IEC 61000-6-8[6] for other types of vehicles or boats.
The emission requirements in this document are not applicable to the intentional transmissions from a radio transmitter, as defined by the ITU-R, including its spurious emissions.
Equipment that is covered by other CISPR product and product family emission standards are excluded from the scope of this document, except where they include ICE(s). In the latter case, the equipment complies with this document in all modes of operation where the ICE(s) is(are) active.
NOTE 5 The other CISPR product or product family emission standard can also apply to the equipment for those modes of operation where the ICE(s) is (are) not active. In case the ICE(s) is (are) always in operation, the other CISPR product or product family emission standard can still apply, for verifying the emissions from the other components and circuitry of the equipment.
Annex B and Annex C contain methods to evaluate the disturbance characteristics of high
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The present document specifies technical characteristics, limits and methods of measurements for Ultra Short Range Communication (USRC) equipment operating in the 57 GHz to 64 GHz frequency range. Further details for the covered Ultra Short Range Communication (USRC) equipment can be found in clause 4.2 of the present document.
NOTE: The relationship between the present document and essential requirement of article 3.2 of Directive 2014/53/EU [i.4] is given in Annex A.
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2022-05-30: Fragments 1 to 7 circulated to parallel CDV separately, then merged into this PR before FDIS stage
2020-10-06: PR changed from A3 to new edition furhter to same change at IEC
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