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1 Domaine d’application 1.1 Ces exigences minimales couvrent les régulateurs servant à réduire la pression des gaz industriels comprimés à partir d’une source ou la pression d’une bouteille de stockage ne dépassant pas 5500 psig (37,91 MPa) à la pression d’utilisation. 1.2 Les régulateurs couverts par ces exigences sont destinés à être utilisés avec des gaz comprimés tels que l’air, le…

Scope 1.1 These minimum requirements cover accessories intended for direct connection to the low or delivery pressure side of compressed gas regulators. These devices are not intended for direct connection to high storage cylinder pressures. 1.2 Accessories covered by these requirements are intended for use with compressed gases such as air, carbon dioxide, inert gases, fuel gases, nitrogen…

IEC 61975:2010+AMD1:2016+AMD2:2022 applies to system tests for high-voltage direct current (HVDC) installations which consist of a sending terminal and a receiving terminal, each connected to an a.c. system. The tests specified in this standard are based on bidirectional and bipolar high-voltage direct current (HVDC) installations which consist of a sending terminal and a receiving terminal, each…

IEC 60755-1:2022 gives requirements, recommendations and information for the drafting of standards for residual current operated protective devices, intended to be used in DC systems, hereafter referred to as DC-RCDs. This group safety publication is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 104 and…

IEC TR 62899-550-1:2022(E), which is a Technical Report, provides a framework for evaluating the mechanical and thermal durability of printed and/or flexible electronics components and products. This includes the bending test, torsion test, stretching test, steady heat test as well as the thermal cycle test. These are typical conditions that are easily encountered in daily life for printed and/or…

IEC 63237-1:2022 provides a method for standardizing the descriptions of household electrical appliances. The aims of this document are to: - define a common language for customers and suppliers through the publication of classes, represented by properties and their attributes; - enable electronic data exchange by machines (including information technology systems, see machine-to-machine…

Scope 1.1 This Standard covers minimum requirements for indicating pressure gauges of the elastic element type. 1.2 Indicating pressure gauges include: a) High pressure gauges employed in the high-pressure side of regulators or reducing valves used on compressed gas containers or cylinders of oxygen, hydrogen, nitrogen, and other gases usually have pressure ranges of 0 – 500, 0 – 1 000, 0…

IEC 60364-5-57:2022 provides requirements and recommendations for the design, erection, correct use and protection of installations with secondary stationary batteries as prime storage medium, hereinafter referred to as "stationary secondary batteries". This document is not applicable to products such as batteries and to systems design (including batteries) which are already covered by…

IEC 62391-1:2022 applies to fixed electric double-layer capacitors (hereafter referred to as capacitors) mainly used in DC circuits of electric and electronic equipment. This part of IEC 62391 establishes standard terms, inspection procedures and methods of test for use in sectional and detail specifications of electronic components for quality assessment or any other purpose. This edition…

IEC 61558-2-2:2022 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 61558-2-2:2022 deals with the safety of control transformers and power supply units incorporating control…