DS/EN 61557-3:2007
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

Standard No.

DS/EN 61557-3:2007

Release Date

2007

Published By

Danish Standards Foundation

Latest

DS/EN 61557-3:2007

Replace

DS/EN 61557-3-1997

Scope

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.

DS/EN 61557-3:2007 history

• 2007 DS/EN 61557-3:2007 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