NEN NPR IEC/TR 62271-306 : 2012
Current
The latest, up-to-date edition.
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 306: GUIDE TO IEC 62271-100, IEC 62271-1 AND OTHER IEC STANDARDS RELATED TO ALTERNATING CURRENT CIRCUIT-BREAKERS
24-01-2013
Specifies utility, consultant and industrial engineers who specify and apply high-voltage circuit-breakers, circuit-breaker development engineers, engineers in testing stations, and engineers who participate in standardization. Pertains to a.c. circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1000 V.
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