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EVS-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)

General information
Valid from 15.06.2022
Base Documents
IEC 61557-3:2019; EN IEC 61557-3:2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
15.06.2022
Main
04.05.2007
Main
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.
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