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ILNAS-EN 61557-11:2009 Edition 03/2009
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors (RCMs) type A and type B 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    23/11/2007   date of ratification (dor)    01/02/2009
end of the vote on the project    25/04/2008   date of anouncement (doa)    01/05/2009
start of the vote on the final project    10/10/2008   date of publication (dop)    01/11/2009
end of the vote on the final project    12/12/2008   date of withdrawal (dow)    01/02/2012


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
ILNAS-EN IEC 61557-11:2022

Relations to international standards
IEC 61557-11:2009 

International Classification for Standards (ICS codes) :

17.220.20 : Measurement of electrical and magnetic quantities
29.080.01 : Electrical insulation in general
29.240.01 : Power transmission and distribution networks in general

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