EN 61557-3

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

Every edition of this standard in the harmonised standards lists published in the Official Journal of the EU.

Edition	Act	Status
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	LVD	reference published (presumption of conformity)

Harmonised standards – LVD