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IEC International Standard

IEC 60839-11-33:2021

Alarm and electronic security systems - Part 11-33: Electronic access control systems - Access control configuration based on Web services

IEC 60839-11-33:2021 defines the Web services interface for electronic access control systems. This includes listing electronic access control system components, their logical composition, monitoring their...

Published: 25/08/2021

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IEC 60664-1:2020

Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles, requirements and tests

IEC 60664-1:2020 deals with insulation coordination for equipment having a rated voltage up to AC 1 000 V or DC 1 500 V connected to...

Published: 26/05/2020

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IEC 60079-11:2011/COR1:2012

Corrigendum 1 - Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"

Published: 27/01/2012

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IEC 61400-21-1:2019

Wind energy generation systems - Part 21-1: Measurement and assessment of electrical characteristics - Wind turbines

IEC 61400-21-1:2019 includes:
· definition and specification of the quantities to be determined for characterizing the electrical characteristics of a grid-connected wind turbine;
...

Published: 20/05/2019

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IEC 61400-11:2012/AMD1:2018

Amendment 1 - Wind turbines - Part 11: Acoustic noise measurement techniques

The contents of the corrigendum of October 2019 have been included in this copy.

Published: 15/06/2018

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