NBN EN 61557-3 : 2007
Current
The latest, up-to-date edition.
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 3: LOOP IMPEDANCE
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 |
Belgian Standards
|
Status |
Current
|
Standards | Relationship |
UNE-EN 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 |
EN 61557-3:2007 | Identical |
SN EN 61557-3 : 1997 | Identical |
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