IEC 61000-3-2 Ed. 5.2 b:2024 PDF

This part of IEC 61000 deals with the limitation of harmonic currents injected into the public supply system.

It specifies limits of harmonic components of the input current which can be produced by equipment tested under specified conditions.

This part of IEC 61000 is applicable to electrical and electronic equipment having a rated input current up to and including 16 A per phase, and intended to be connected to public low-voltage distribution systems.

Arc welding equipment, which is not professional equipment, with a rated input current up to and including 16 A per phase, is included in the scope of this document. All other arc welding equipment is excluded from the scope of this document; however, the harmonics emission can be evaluated using IEC 61000-3-12 and relevant installation restrictions.

The tests according to this document are type tests.

For systems with nominal voltages less than 220 V (line-to-neutral), limits have not yet been considered.

NOTE The words apparatus, appliance, device and equipment are used throughout this document. They have the same meaning for the purposes of this document.

IEC 60335-2-73 Ed. 3.0 b:2024 PDF

This clause of Part 1 is replaced by the following.

This part of IEC 60335 deals with the safety of fixed electric immersion heaters for household and similar purposes that are intended for installation in a water tank open to the atmosphere for heating water to a temperature below its boiling point with a rated voltage of not more than 250 V for single-phase appliances and 480 V for other appliances including direct current (DC) supplied appliances.

NOTE 101 The water tank can have alternative means for heating water, such as the circulation of hot water supplied from a separate boiler.

Immersion heaters having a rated power input up to 25 kW for incorporation as an alternative heating source in central heating boilers are also within the scope of this standard.

Appliances not intended for normal household use but which nevertheless can be a source of danger to the public, such as appliances intended to be used by laypersons in shops, in light industry and on farms, are within the scope of this standard.

As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account

– persons (including children) whose

• physical, sensory or mental capabilities; or

• lack of experience and knowledge

prevents them from using the appliance safely without supervision or instruction;

– children playing with the appliance.

Attention is drawn to the fact that

– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements can be necessary;

– in many countries additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour, the national water supply authorities and similar authorities.

This standard does not apply to

– appliances intended exclusively for industrial purposes;

– appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas);

– heating elements incorporated in appliances such as

• appliances for heating liquids (IEC 60335-2-15);

• storage water heaters (IEC 60335-2-21);

• instantaneous water heaters (IEC 60335-2-35);

– aquarium heaters (IEC 60335-2-55);

– portable immersion heaters (IEC 60335-2-74);

– engine preheaters such as those for cars and buses.

IEC 61558-2-12 Ed. 3.0 b:2024 PDF

Replacement:

This part of IEC 61558 deals with the safety of constant voltage transformers for general applications and power supply units for constant voltage for general applications. Constant voltage transformers incorporating electronic circuits are also covered by this document.

NOTE 1 Safety includes electrical, thermal and mechanical aspects.

Unless otherwise specified, from here onward, the term transformer covers constant voltage transformers for general applications and power supply units for constant voltage for general applications.

This document is applicable to stationary or portable single-phase or polyphase, air-cooled (natural or forced) independent or associated dry-type:

– constant voltage auto-transformers;

– constant voltage separating transformers;

– constant voltage isolating transformers;

– constant voltage safety isolating transformers.

The windings can be encapsulated or non-encapsulated.

For power supply units (linear) this document is applicable. For switch mode power supply units IEC 61558-2-16 is applicable together with this document. Where two requirements are in conflict, the most severe take precedence.

The rated supply voltage does not exceed 1 000 V AC. The rated supply frequency does not exceed 500 Hz, the internal operating resonant frequency does not exceed 30 kHz and the internal operating frequency does not exceed 100 MHz.

The rated output does not exceed:

– 40 kVA for single-phase constant voltage auto-transformers;

– 200 kVA for polyphase constant voltage auto-transformers;

– 25 kVA for single-phase constant voltage separating transformers and constant voltage isolating transformers;

– 40 kVA for polyphase constant voltage separating transformers and constant voltage isolating transformers;

– 10 kVA for single-phase constant voltage safety isolating transformers;

– 16 kVA for polyphase constant voltage safety isolating transformers.

This document is applicable to transformers without limitation of the rated output, subject to an agreement between the purchaser and the manufacturer.

NOTE 2 Transformers intended to supply distribution networks are not included in the scope.

Where applicable to constant voltage auto-transformers

– the no-load output voltage or the rated output voltage does not exceed 1 000 V AC or 1 415 V ripple-free DC, and for independent constant voltage auto-transformers the no-load output voltage and the rated output voltage exceed 50 V AC or 120 V ripple-free DC;

– constant voltage auto-transformers covered by this document are used only in applications where no insulation between circuits is required by the installation rules or by the end product standard.

Where applicable to constant voltage separating transformers

– the no-load output voltage or the rated output voltage does not exceed 1 000 V AC or 1 415 V ripple-free DC, and for independent constant voltage separating transformers the no-load output voltage and the rated output voltage exceed 50 V AC or 120 V ripple-free DC;

– constant voltage separating transformers covered by this document are used only in applications where double or reinforced insulation between circuits is not required by the installation rules or by the end product standard.

Where applicable to constant voltage isolating transformers

– the no-load output voltage or the rated output voltage does exceed 50 V AC or 120 V

ripple-free DC and where applicable, does not exceed 500 V AC or 708 V ripple-free DC.

The no-load output voltage and the rated output voltage can be up to 1 000 V AC or 1 415 V ripple-free DC for special applications;

– constant voltage isolating transformers covered by this document are used only in applications where double or reinforced insulation between circuits is required by the installation rules or by the end product standard.

Where applicable to constant voltage safety isolating transformers

– the no-load output voltage or the rated output voltage does not exceed 50 V AC or 120 V ripple-free DC;

– constant voltage safety isolating transformers covered by this document are used only in applications where double or reinforced insulation between circuits is required by the installation rules or by the end product standard.

This document is not applicable to external circuits and their components intended to be connected to the input terminals and output terminals of the transformers.

Attention is drawn to the following if necessary:

– for transformers intended to be used in vehicles, on board ships, and aircraft, additional requirements (from other applicable standards, national rules, etc.) ;

– measures to protect the enclosure and the components inside the enclosure against external influences such as fungus, vermin, termites, solar-radiation, and icing;

– the different conditions for transportation, storage, and operation of the transformers;

– additional requirements in accordance with other appropriate standards and national rules may be applicable to transformers intended for use in special environments.

Future technological development of transformers may necessitate a need to increase the upper limit of the frequencies. Until then this document may be used as a guidance document.

This group safety publication focusing on safety guidance is primarily intended to be used as a product safety standard for the products mentioned in the scope, but is also intended to be used by technical committees in the preparation of publications for products similar to those mentioned in the scope of this group safety publication, in accordance with the principles laid down in IEC Guide 104 and lSO/lEC Guide 51.

One of the responsibilities of a technical committee is, wherever applicable, to make use of basic safety publications and/or group safety publications in the preparation of its publications.

IEC 62841-2-7 Ed. 1.0 b:2024 PDF

IEC 62841-1:2014, Clause 1 is applicable, except as follows:

Addition:

This document applies to hand-held spray guns for non-flammable materials.

This document supplements or modifies the corresponding clauses in IEC 62841-1, so as to convert it into the IEC Standard: Particular requirements for hand-held spray guns.

Where a particular subclause of IEC 62841-1 is not mentioned in this document, that subclauseapplies as far as reasonable. Where this document states “addition”, “modification” or “replacement”, the relevant text in IEC 62841-1 is to be adapted accordingly.

The following print types are used:

– requirements: in roman type;

– test specifications: in italic type;

– terms defined in Clause 3: in bold type

– notes: in small roman type.

Subclauses, notes, tables and figures which are additional to those in IEC 62841-1 are numbered starting from 101.

Subclauses, notes, tables and figures in Annex K and Annex L which are additional to those in the main body of this document are numbered starting from 301.

A list of all parts of the IEC 62841 series, under the general title: Electric motor-operated handheld tools, transportable tools and lawn and garden machinery – Safety, can be found on the IEC website.

IEC 62386-304 Ed. 1.1 en:2024 PDF

This part of IEC 62386 is applicable to input devices that provide illuminance level information to the lighting control system through light level sensing.

This document is only applicable to input devices complying with IEC 62386-103:2022.

This consolidated version of the official IEC Standard and its amendment has been prepared for user convenience.

IEC 62386-304 edition 1.1 contains the first edition (2017-05) [documents 34C/1314/FDIS and 34C/1334/RVD] and its amendment 1 (2024-04) [documents 34/1014/CDV and 34/1079A/RVC].

In this Redline version, a vertical line in the margin shows where the technical content is modified by amendment 1. Additions are in green text, deletions are in strikethrough red text. A separate Final version with all changes accepted is available in this publication.

IEC 62501 Ed. 2.0 b:2024 PDF

This International Standard applies to self-commutated converter valves, for use in a threephase bridge voltage sourced converter (VSC) for high voltage DC power transmission or as part of a back-to-back link, and to dynamic braking valves. It is restricted to electrical type and production tests.

This document can be used as a guide for testing of high-voltage VSC valves used in energy storage systems (ESS).

The tests specified in this document are based on air insulated valves. The test requirements and acceptance criteria can be used for guidance to specify the electrical type and production tests of other types of valves.

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.

IEC 60060 (all parts), High-voltage test techniques

IEC 60071 (all parts), Insulation co-ordination

IEC 60270, High-voltage test techniques – Partial discharge measurements

IEC 60700-1:2015, Thyristor valves for high voltage direct current (HVDC) power transmission

– Part 1: Electrical testing

IEC 60700-1:2015/AMD1:2021

IEC 62747, Terminology for voltage-sourced converters (VSC) for high-voltage direct current (HVDC) systems

ISO/IEC 17025, General requirements for the competence of testing and calibration laboratories

IEC 62973-3 Ed. 1.0 en:2024 PDF

This part of IEC 62973 establishes the framework for the electrical interfaces to the train, and the sizing (e.g., capacity, cell number, to meet the requested load profile) and operation of lead acid batteries of the VRLA type for auxiliary power supply systems on rolling stock of railways and complements IEC 62973-1, unless otherwise specified.

This document provides guidance and links to standards for the required battery qualification tests procedures and safety measures to be implemented.

The cited normative references for lead acid batteries provide multiple requirements and tests applicable for their qualification.

In this document, the most appropriate clauses of these cited standards have been selected and adapted as needed to reflect the intended use of these batteries as auxiliary power sources on rolling stock of railways.

The battery-specific requirements for subcomponents of battery systems such as containers, charging controls, temperature probes, nameplates and similar are covered in this document as needed.

Charging systems are excluded from the scope of this document.

IEC 61189-2-808 Ed. 1.0 b:2024 PDF

This part of IEC 61189 describes the thermal transient method to characterize the thermal resistance of an assembly consisting of a heat source (e.g. power device), an attachment material (e.g. solder) and a dielectric layer with electrode. This method is suitable to determine the thermal resistance of materials and assembly methods as well as to optimize the thermal flux to a heat sink.

NOTE This method is not intended to measure and specify the value of the thermal resistance of a dielectric material. For that purpose, other standards exist. Examples are given in Annex A.

IEC 61978-1 Ed. 4.0 b:2024 PDF

This part of IEC 61978 applies to fibre optic passive chromatic dispersion compensators, all exhibiting the following features:

– they are optically passive;

– they have an optical input and an optical output for transmitting optical power;

– the ports are optical fibres or optical fibre connectors;

– they are wavelength sensitive;

– they can be polarization sensitive.

This document establishes uniform requirements for the passive chromatic dispersion compensator.

IEC 61978-1 has been prepared by subcommittee 86B: Fibre optic interconnecting devices and passive components, of IEC technical committee 86: Fibre optics. It is an International Standard.

This fourth edition cancels and replaces the third edition published in 2014. This edition constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous edition:

a) harmonization of terms and definitions with IEC TS 62627-09;

b) change of Clause 4 regarding requirements.

IEC 60794-1-212 Ed. 1.0 b:2024 PDF

This part of the IEC 60794 series defines the test procedure to examine the attenuation behaviour (change in attenuation) when an optical fibre cable with cable elements fixed at both ends is subjected to temperature cycling. This test assesses the attenuation behaviour of a cable under a no-end movement condition intended for termination with, for example, interconnecting devices or passive components.

NOTE IEC 60794-1-2011 (method F1) is a general temperature cycling test for cables.