Revidiran
IEC 61643-12:2008 describes the principles for selection, operation, location and coordination of SPDs to be connected to 50 Hz to 60 Hz a.c. and to d.c. power circuits and equipment rated up to 1 000 V r.m.s. or 1 500 V d.c. Specific change with respect to the previous edition is the incorporation of Amendment 1, which was not published separately due to the number of changes and pages.
POVUČEN
IEC 61643-12:2002 ED1
POVUČEN
IEC 61643-12:2008 ED2
99.60
Povlačenje stupilo na snagu
7. 5. 2020.
OBJAVLJEN
IEC 61643-12:2020 ED3
Prenaponski zaštitni uređaji niskog napona - Deo 12: Prenaponski zaštitni uređaji spojeni na distributivne mreže niskog napona - Principi za izbor i primenu
90.93 Odluka o potvrđivanju standarda