Insulation co-ordination - Part 2: Application guidelines
IEC 60071-2:2023 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 60071-2:2023 constitutes application guidelines and deals with the selection of insulation levels of equipment or…
Insulation co-ordination - Part 2: Application guidelines
IEC 60071-2:2023 constitutes application guidelines and deals with the selection of insulation levels of equipment or installations for three-phase AC systems. Its aim is to give guidance for the determination of the rated withstand voltages for ranges I and II of IEC 60071‑1 and to justify the association of these rated values with the standardized highest voltages for equipment. This…
Coordination de l'isolement - Partie 2: Lignes directrices en matière d'application
L'IEC 60071-2:2023 constitue des lignes directrices en matière d'application et concerne le choix des niveaux d'isolement des matériels ou des installations pour les réseaux triphasés en courant alternatif. Elle a pour objet de donner des recommandations pour la détermination des tensions de tenue assignées pour les plages I et II de l'IEC 60071-1 et de justifier l'…
Metallic materials — Charpy V-notch pendulum impact test — Instrumented test method
This document specifies a method of instrumented Charpy V-notch pendulum impact testing on metallic materials and the requirements concerning the measurement and recording equipment.
With respect to the Charpy pendulum impact test described in ISO 148-1, this test provides further information on the fracture behaviour of the product under impact testing conditions.
The results of instrumented…
Matériaux métalliques — Essai de flexion par choc sur éprouvette Charpy à entaille en V — Méthode d&...
Le présent document spécifie une méthode d’essai instrumenté de flexion par choc sur éprouvette Charpy à entaille en V pour les produits métalliques ainsi que les exigences concernant le matériel de mesure et d’enregistrement.
Par rapport à l’essai de flexion par choc sur éprouvette Charpy décrit dans la norme ISO 148-1, le présent essai fournit des informations supplémentaires sur le…
Information technology — User interface requirements and recommendations on menu navigation — Part 3...
This document provides requirements and recommendations on the design of navigation methods for menu item selection with use on one-direction devices (using single or double-switch devices). It specifies requirements for menu navigation with one-direction devices in terms of time delay, loops and focus rendering.
This document is applicable to any information technology equipment on which the…
Information technology - User interface requirements and recommendations on menu navigation - Part 3...
This document provides requirements and recommendations on the design of navigation methods for menu item selection with use on one-direction devices (using single or double-switch devices). It specifies requirements for menu navigation with one-direction devices in terms of time delay, loops and focus rendering.
This document is applicable to any information technology equipment on which the…
Power transformers - Part 19 - 1: Rules for the determination of uncertainties in the measurement of...
IEC 60076-19-1:2023 defines the procedures that are applied to evaluate the uncertainty affecting the measurements of no-load and load losses during the routine tests on power transformers.
This document centres on measuring systems utilizing digital instruments, although the procedures can be adapted to evaluation of systems with analogue instruments where further uncertainty sources have to be…
Transformateurs de puissance - Partie 19-1: Règles pour la détermination des incertitudes de mesure ...
L'IEC 60076-19-1:2023 définit les procédures qui sont appliquées pour évaluer l'incertitude qui concerne les mesures des pertes à vide et des pertes dues à la charge lors des essais individuels de série des transformateurs de puissance.
Le présent document se concentre sur les systèmes de mesure qui utilisent des instruments numériques, même si les procédures peuvent être adaptées à l…
Connectors for electrical and electronic equipment - Part 7: Detail specification for up to 7 ways i...
IEC 63171-7:2023 covers shielded free and fixed circular connectors with 4 ways up to 7 ways for power and data transmission and specifies the common dimensions, mechanical, electrical and transmission characteristics and environmental requirements as well as test specifications respectively.
The connectors described in this document are either equipped with an M12 screw-locking mechanism (…
