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IEC 61557-5-ed.3.0-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 5: Resistance to earth
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STANDARD published on 26.7.2019
The information about the standard:
Designation standards: IEC 61557-5-ed.3.0-RLV
Publication date standards: 26.7.2019
SKU: NS-1095658
The number of pages: 38
Approximate weight : 114 g (0.25 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 61557-5-ed.3.0-RLV :
IEC 61557-5:2019 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 61557-5:2019 specifies the requirements applicable to measuring equipment for measuring the resistance to earth using an AC voltage. IEC 61557-5:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) definitions and symbols in Clause 3 modified; b) subclauses in Clause 4 restructured and aligned with other parts of the series; c) limits for reduced voltages 25 V RMS or 35 V peak removed from 4.5; d) requirements for clamps added; e) marking for rated voltages to earth and measurement category added to Clause 5; f) warning about absence of hazardous voltage added in Clause 5; g) the term "percentage operating uncertainty" replaced by "operating uncertainty" in Clause 6; h) equation for uncertainty corrected in Table 1; i) new Annex A on test measurements with loop clamps added.
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