... 9001:2008 SummaryFN12 is a three-phase H.
V switch
equipment, which is used for 12KV 50Hz for ... used for the ring main units and industrial
equipment of 12KV and three-phase AC 50Hz to ... current. Because the switch-fuse combination protects transformer
equipment more reliably than circuit breaker .It is especially ... . IEC62271-2002)c,GB1995-89
V isolate switch and earth switch>Techniacl parameter and ...