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ILNAS-EN IEC 61557-11:2022 Edition 05/2022
Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors (RCM) in TT, TN and IT systems
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Abstract

IEC 61557-11:2009 specifies the requirements for testing equipment applied to the testing of the effectiveness of residual current monitors (RCMs) of type A and type B, which are already installed in distribution systems. This test equipment can be used in any kind of network like a TN, TT or IT system. The test equipment may also be used for testing directionally discriminating RCMs in IT-Systems.This part is to be used in conjunction with IEC 61557-1:2007, Part 1: General requirements.

Status

Standard - Active

Origin

Technical Committee :
CLC/TC 85X : Measuring equipment for electrical and electromagnetic quantities

Implementation

start of the vote on the project    26/04/2019   date of ratification (dor)    06/04/2022
end of the vote on the project    19/07/2019   date of anouncement (doa)    06/07/2022
start of the vote on the final project    03/04/2020   date of publication (dop)    06/01/2023
end of the vote on the final project    15/05/2020   date of withdrawal (dow)    06/04/2025


Publication Official Journal
of the Grand-Duchy of Luxembourg
21/11/2022
Reference Mémorial A N° 576

Relations

Relations to older standards
ILNAS-EN 61557-11:2009

Relations to international standards
IEC 61557-11:2020 
IEC 61557-11:201X 

International Classification for Standards (ICS codes) :

17.200.20 : Temperature-measuring instruments
29.080.01 : Electrical insulation in general
29.240.01 : Power transmission and distribution networks in general

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