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IEC 61557-11-ed.2.0-RLV
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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STANDARD published on 23.6.2020
The information about the standard:
Designation standards: IEC 61557-11-ed.2.0-RLV
Publication date standards: 23.6.2020
SKU: NS-1095652
The number of pages: 52
Approximate weight : 156 g (0.34 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Measurement of electrical and magnetic quantitiesElectrical insulation in generalPower transmission and distribution networks in general
Annotation of standard text IEC 61557-11-ed.2.0-RLV :
IEC 61557-11:2020 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 61557-11:2020 specifies the requirements for test equipment applied to the testing of the effectiveness of residual current monitors (RCM) that are already installed in distribution systems. This test equipment can be used in any kind of network, such as a TN, TT or IT system. The test equipment can also be used for testing directionally discriminating residual current monitors (RCM) in IT systems. It is not the purpose of this document to verify the residual current monitors (RCM) according to their product standards. IEC 61557-11:2020 cancels and replaces the first edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) document title modified to include all types of RCM; b) terms aligned with IEC 60050; c) addition of requirements for testing new types of RCM; d) moving of requirements for RCM Type B from former Annex A to main body text; e) alignment of the structure with that of the whole IEC 61557 series.
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