Components for low-voltage surge protection - Part 332: Selection and application principles for met...
IEC 61643-332:2024 describes the theory of operation, principles for the selection and application of MOVs to be connected to power lines or telecommunication or signalling circuits, up to 1 000 V AC or 1 500 V DC. These SPCs are designed to protect apparatus or personnel, or both, from high transient voltages. This document applies to MOVs having two electrodes and voltage dependents elements…
Active assisted living (AAL) use case standards inventory and mapping
IEC SRD 63473:2024 is to describe the process of building an inventory of international standards based on use cases, mapping these international standards to individual use cases, and providing a visual representation in the IEC mapping platform.
This document identifies the main categories of international standards applicable to AAL systems and applies these international standards to AAL…
High-voltage switchgear and controlgear - Part 214: Internal arc classification for AC metal-enclose...
IEC 62271-214 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 62271-214:2024 edition 2.0 and the previous IEC 62271-214:2019 edition 1.0. Furthermore, comments from IEC TC SC 17C experts are provided to explain the reasons of the most relevant changes, or to clarify any part of…
High-voltage switchgear and controlgear - Part 214: Internal arc classification for AC metal-enclose...
IEC 62271-214:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 62271-214:2024 EXV includes the content of the references made to IEC 62271-1:2017+AMD1:2021 CSV.
IEC 62271-214:2024 specifies requirements for…
IEC 61978-1:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61978-1:2024 applies to fibre optic passive chromatic dispersion compensators, all exhibiting the following…
IEC 60875-1:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60875-1:2024 applies to non-wavelength-selective fibre optic branching devices, all exhibiting the following…
IEC 60875-1:2024 applies to non-wavelength-selective fibre optic branching devices, all exhibiting the following features:
- they are passive, in that they contain no optoelectronic or other transducing elements;
- they have three or more ports for either the entry or exit, or both, of optical power, and share optical power among these ports in a predetermined fashion;
- the ports are optical…
Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-1...
IEC 61755-3-1:2024 defines the dimensional limits of the optical interface that are necessary for single-mode fibre optic connectors with 2,5 mm or 1,25 mm diameter cylindrical zirconia (ZrO2) ferrules to meet the specific requirements for fibre-to-fibre interconnection, as defined in IEC 61755-2-1. Ferrules made from the material specified in this document are suitable for use in all the…
Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-2...
IEC 61755-3-2:2024 defines the dimensional limits of the optical interface that are necessary for single-mode fibre optic connectors with 2,5 mm or 1,25 mm diameter cylindrical zirconia (ZrO2) ferrules polished at an 8° angle to meet the specific requirements for fibre-to-fibre interconnection, as defined in IEC 61755-2-2. Ferrules made from the material specified in this standard are suitable…
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particula...
IEC 61558-2-12:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61558-2-12:2024 deals with the safety of constant voltage transformers for general applications and power…
