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This part of IEC 60839 specifies the minimum functionality, performance requirements and test methods for electronic access control systems and components used for physical access (entry and exit) in and around buildings and protected areas. It does not include requirements for access point actuators and sensors. This standard is not intended to cover requirements for off premise transmission…

IEC 62271-204:2022 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 62271-204:2022 applies to rigid HV gas‑insulated transmission lines (GIL) in which the insulation is obtained,…

IEC 60953-0:2022 constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: a) IEC 60953-2:1990 has been used as the basis to develop IEC 60953-0; b) Outdated measuring techniques have been updated and the corresponding reduction of the expected test result measuring uncertainty indicated; c) Guarantee of power…

This document establishes requirements for reciprocating internal combustion engines to minimize the risk of fire caused by the engine, its components and the auxiliaries fitted to it. Where necessary, special requirements can be given for particular engine applications. This document applies to reciprocating internal combustion engines for land and marine use, excluding engines used in an…

This document specifies the general conditions that apply to vehicle ride comfort test methods. In particular, it specifies general conditions for: —    variables; —    measuring equipment and data processing; —    environment (test track and wind velocity); —    test vehicle preparation (tuning and loading); —    initial driving; —    test reports (general data and test conditions). These items…

IEC 60335-2-40:2022 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 60335-2-40:2022 edition 7.0 and the previous IEC 60335-2-40:2018 edition 6.0. Furthermore, comments from IEC SC 61D experts are provided to explain the reasons of the most relevant changes, or to clarify any part…

IEC 60475:2022 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 60475:2022 edition 3.0 and the previous IEC 60475:2011 edition 2.0. Furthermore, comments from IEC TC 10 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the content…

IEC 60599:2022 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 60599:2022 edition 4.0 and the previous IEC 60599:2015 edition 3.0. Furthermore, comments from IEC TC 10 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the content…

IEC 60335-2-40:2022 deals with the safety of electric heat pumps, sanitary hot water heat pumps and air conditioners, incorporating motor-compressors as well as hydronic fan coils units, dehumidifiers (with or without motor-compressors), thermoelectric heat pumps and partial units. Their maximum rated voltage being not more than 300 V for single phase appliances and 600 V for multi-phase…

IEC 62477-1:2022 applies to power electronic converter systems (PECS), any specified accessories, and their components for electronic power conversion and electronic power switching, including the means for their control, protection, monitoring and measurement, such as with the main purpose of converting electric power, with rated system voltages not exceeding 1 000 V AC or 1 500 V DC. This…