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 3: Loop impedance (IEC 61557-3:2019)

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Hardcopy , PDF

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English

Published date

07-06-2022

Publisher

National Standards Authority of Ireland

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FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Marking and operating instructions 6 Tests
Bibliography

This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a line conductor and protective conductor; between a line conductor and neutral; or between two line conductors by using the voltage drop when the circuit under test is loaded.

Committee	IEC/TC 85
DocumentType	Standard
ISBN	978-2-8322-7156-8
Pages	36
ProductNote	: The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
PublisherName	National Standards Authority of Ireland
Status	Current
Supersedes	I.S. EN 61557-3:2007

Standards	Relationship
IEC 61557-3:2019	Identical

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I.S. EN IEC 61557-3:2022

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 3: Loop impedance (IEC 61557-3:2019)

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