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IEC 61557-11:2009 ED1

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 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

Publication date:   Jan 12, 2009

General information

99.60 Withdrawal effective   Jun 23, 2020

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IEC

TC 85

International Standard

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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Scope

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.

Life cycle

NOW

WITHDRAWN
IEC 61557-11:2009 ED1
99.60 Withdrawal effective
Jun 23, 2020

REVISED BY

PUBLISHED
IEC 61557-11:2020 ED2