Switches for household and similar fixed electrical installations - Part 2-3: Particular requirement...
This pack contains IEC 60669-2-3:2024 EXV and IEC 60669-2-3:2024 RLV.
IEC 60669-2-3:2024 applies to time-delay switches (hereinafter referred to as TDS) with a rated voltage not exceeding 440 V AC and a rated current not exceeding 63 A, intended for household and similar fixed electrical installations, either indoors or outdoors, operated by hand and/or by remote control. For the control…
Switches for household and similar fixed electrical installations - Part 2-2: Particular requirement...
This pack contains IEC 60669-2-2:2024 EXV and IEC 60669-2-2:2024 RLV.
IEC 60669-2-2:2024 applies to electromagnetic remote control switches (hereinafter referred to as electromagnetic RCS) with a rated voltage not exceeding 440 V AC and a rated current not exceeding 63 A, intended for household and similar fixed electrical installations, either indoors or outdoors. For the control circuit, the…
Médecine bucco-dentaire — Système de désignation des stades de développement dentaire
Le présent document spécifie une méthode de désignation du codage et de la nomenclature des stades de développement dentaire à l’aide d’une lettre et d'un numéro, pour faciliter la saisie des données et favoriser l'interopérabilité.
La première lettre désigne la partie de la dent (couronne, racine et apex) et le chiffre représente le stade de développement de la partie de la dent.
Rheological test methods — Fundamentals and interlaboratory comparisons — Part 2: Determination of t...
This document gives information on an interlaboratory comparison for the determination of the time-dependent structural change (thixotropy) using rheological test methods. Thixotropy is the reversible, time-dependent decrease of shear viscosity η at a constant shear rate or shear stress τ.
This document provides examples of fields of application, in which important material properties can be…
Dentistry — Designation system for tooth developmental stages
This document specifies a method for designating the coding and nomenclature for tooth developmental stages using a single letter and number to facilitate data entry and support interoperability.
The first letter represents the part of the tooth (crown, root and apex), and the number represents the stage of development of the tooth part.
Medical electrical equipment - Part 2-78: Particular requirements for basic safety and essential per...
IEC 80601-2-78:2019+AMD1:2024 CSV applies to the general requirements for BASIC SAFETY and ESSENTIAL PERFORMANCE of MEDICAL ROBOTS that physically interact with a PATIENT with an IMPAIRMENT to support or perform REHABILITATION, ASSESSMENT, COMPENSATION or ALLEVIATION related to the PATIENT’S MOVEMENT FUNCTIONS, as intended by the MANUFACTURER.
IEC 80601-2-78:2019 does not apply to:
- external…
