Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rota...
IEC 60034-5:2020 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 60034-5:2020 applies to the classification of degrees of protection provided by enclosures for rotating…
Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rota...
<!-- NEW! -->IEC 60034-5:2020 is available as <a href="https://webstore.iec.ch/publication/66995">IEC 60034-5:2020 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br />
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IEC 60034-5:2020 applies to the classification of degrees of protection…
Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rota...
IEC 60034-5:2020 applies to the classification of degrees of protection provided by enclosures for rotating electrical machines. It defines the requirements for protective enclosures that are in all other respects suitable for their intended use and which, from the point of view of materials and workmanship, ensure that the properties dealt with in this document are maintained under normal…
Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and f...
IEC 60947-3:2020 applies to switches, disconnectors, switch-disconnectors and fuse-combination units and their dedicated accessories to be used in distribution circuits and motor circuits of which the rated voltage does not exceed 1 000 V AC or 1 500 V DC.
This fourth edition cancels and replaces the third edition published in 2008, Amendment 1:2012 and Amendment 2:2015. This edition constitutes…
Low-voltage switchgear and controlgear - Part 1: General rules
IEC 60947-1:2020 applies, when required by the relevant product standard, to low-voltage switchgear and controlgear hereinafter referred to as "equipment" or “device” and intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC.
This document states the general rules and common safety requirements for low-voltage switchgear and…
Wind energy generation systems - Part 6: Tower and foundation design requirements
IEC 61400-6:2020 specifies requirements and general principles to be used in assessing the structural integrity of onshore wind turbine support structures (including foundations). The scope includes the geotechnical assessment of the soil for generic or site specific purposes. The strength of any flange and connection system connected to the rotor nacelle assembly (including connection to the yaw…
Electrical accessories - Residual current monitors (RCMs) - Part 1: RCMs for household and similar u...
IEC 62020-1:2020 applies to residual current monitors for household and similar purposes, having rated operational voltages and a rated voltage of the monitored circuit not exceeding 440 V AC and rated currents not exceeding 125 A.
This first edition cancels and replaces IEC 62020:1998 and IEC 62020:1998/AMD1:2003. This edition constitutes a technical revision.
This edition includes the…
Wheat flour and durum wheat semolina — Determination of impurities of animal origin
This document specifies a method for determining the content of impurities of animal origin in wheat flours, with or without additives and having an ash yield not exceeding a mass fraction of 0,75 %, and in durum wheat semolinas.
This method permits the separation and quantification of contamination of animal origin, such as insects at all stages of their development and their fragments, rodent…
Terms and nomenclature for cores made of magnetically soft ferrites - Part 1: Terms used for physica...
<!-- NEW! -->IEC 60401-1:2020 is available as <a href="https://webstore.iec.ch/publication/66912">IEC 60401-1:2020 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.<br />
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IEC 60401-1:2020 provides a nomenclature of the most frequent surface, bulk…