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SN EN 61557-3 : 1997

Current

Current

The latest, up-to-date edition.

ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1 KV A.C. AND 1,5 KV D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 3: LOOP IMPEDANCE

Published date

12-01-2013

1 Scope
2 Normative references
3 Definitions
4 Requirements
5 Marking and operating instructions
6 Tests
Table 1 - Calculation of operating error
Annex ZA (normative) Normative references to international
publications with their corresponding European publications

Defines the requirements applying to equipment for measurement of the loop impedance between a phase and protective conductor, or between a phase conductor and neutral or between two phase conductors by means of the voltage drop when the circuit being tested is loaded.

DocumentType
Standard
PublisherName
Swiss Standards
Status
Current

Standards Relationship
UNE-EN 61557-3:2007 Identical
IEC 61557-3:2007 Identical
I.S. EN 61557-3:2007 Identical
DIN EN 61557-3 : 2008 Identical
BS EN 61557-3:2007 Identical
NF EN 61557-3 : 2007 Identical
NBN EN 61557-3 : 2007 Identical
EN 61557-3:2007 Identical

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