NEN IEC 62271-300 : 2006
Current
Current
The latest, up-to-date edition.
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 300: SEISMIC QUALIFICATION OF ALTERNATING CURRENT CIRCUIT-BREAKERS
Published date
01-12-2013
Publisher
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.
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