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EN 61557-3:2007 Standard

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  Keywords:

#phase #conductor #loaded #electrical #safety

  Directive

Low voltage (LVD) Directive (2014/35/EU)

  Last Official Journal reference

Thursday 31st of October 2024

  Description:

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

  Purpose

This part of IEC 61557 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.

  Publication

Wednesday 20th of April 2016

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