• IEC 61557-3 Ed. 3.0 b:2019

IEC 61557-3 Ed. 3.0 b:2019

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

International Electrotechnical Commission , 07/26/2019

Publisher: IEC

File Format: PDF

$25.00$51.00


IEC 61557-3 specifies 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.

IEC 61557-3 Ed. 3.0 b:2019 History

IEC 61557-3 Ed. 3.0 b:2019
IEC 61557-3 Ed. 2.0 b:2007
IEC 61557-3 Ed. 1.0 b:1997

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