90.93 Standard confirmed Dec 21, 2022
CENELEC
CLC/TC 37A Low voltage surge protective devices
Technical Specification
29.240 Power transmission and distribution networks | 29.240.10 Substations. Surge arresters
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.
WITHDRAWN
CLC/TS 61643-12:2006
PUBLISHED
CLC/TS 61643-12:2009
90.93
Standard confirmed
Dec 21, 2022