Rechercher

This document: a) describes the general principles for data centres upon which the requirements of the ISO/IEC22237 series are based; b) defines the common aspects of data centres including terminology, parameters and reference models (functional elements and their accommodation) addressing both the size and complexity of their intended purpose; c) describes general aspects of the facilities and…

1 Scope 1.1 This Standard specifies requirements for the design and performance of complete active fall-protection systems, including travel-restraint and vertical and horizontal fall-arrest systems. This Standard is intended for engineers with expertise in designing fall-protection systems. 1.2 This Standard does not specify design or performance requirements for fall-arrest equipment or…

1 Scope 1.1 These requirements cover single pole locking-type separable attachment plugs, cord connectors, panel inlets, and panel outlets, adapters, and accessories, rated up to a maximum of 800 amperes and up to 600 volts ac or dc and not intended for connection or disconnection under load conditions. 1.2 These devices are intended to provide power from feeders or branch circuits, or are…

IEC PAS 62840-3:2021 applies to battery swap systems for removable RESS of electric road vehicle when connected to the supply network, with a rated supply voltage up to 480 V AC or up to 400 V DC, for battery systems with a rated voltage up to 120 V DC. This document applies to battery swap systems for removable RESS/EV where the removable RESS/EV is stored for the purpose of transfer power…

This document specifies quality requirements for manufacturers of thermal sprayed coatings to ensure quality assurance for activities in the field of production. NOTE      It is independent of the availability of a quality management system, e.g. ISO 9001, ISO 14001 and ISO 45001, which concern the concept and organization of the quality management. This document defines the quality requirements…

This document specifies a general outline of the ISO 3834 series and criteria to be taken into account for the selection of the appropriate level of quality requirements for fusion welding of metallic materials, among the three levels specified in ISO 3834-2, ISO 3834-3 and ISO 3834-4. It is applicable to manufacturing, both in workshops and at field installation sites. This document does not…

This document sets out the minimum requirements for flight safety systems (FSSs), including flight termination systems (FTSs, externally controlled systems or on-board automatic systems), tracking systems, and telemetry data transmitting systems (TDTSs) for commercial or non-commercial launch activities of orbital or suborbital, unmanned space vehicles. The intent is to minimize the risk of…

1 Scope 1.1 General This Standard pertains to the characterization of radioactive waste and irradiated fuel. This Standard a) specifies the overall requirements for establishing and implementing a waste characterization strategy, program, and plan; b) specifies methodologies for the sampling and characterization of radioactive waste and irradiated fuel; c) provides guidance for the timing…

IEC 61936-1:2021 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 61936-1:2021 CMV edition 3.0 and the previous IEC 61936-1:2010+AMD1:2014 CSV edition 2.1. Futhermore, comments from IEC TC 99 experts are provided to explain the reasons of the most relevant changes. IEC 61936-1:…

IEC 61936-1:2021 provides requirements for the design and the erection of electrical power installations in systems with nominal voltages exceeding 1 kV AC and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use intended. This document does not apply to the design and erection of any of the following: – overhead and underground lines between…