Published
This technical report applies only to circuit-breakers with their supporting structures which are rigidly connected with the ground, and does not cover the seismic qualification of circuit-breakers in metal enclosed switchgear.
WITHDRAWN
IEC 61166:1993 ED1
PUBLISHED
IEC TR 62271-300:2006 ED1
60.60
Standard published
Nov 15, 2006
High-voltage switchgear and controlgear - Part 300: Seismic qualification of alternating current circuit-breakers
10.99 New project approved