NEN EN IEC 61557-3 : 2007
Current
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
Published date
12-01-2013
Publisher
Defines the requirements applicable to equipment for measuring the loop impedance between a phase conductor and the protective conductor or between a phase conductor and neutral or between two-phase conductors by using the voltage drop when the circuit under test is loaded.
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