... , meters and automates control system in petroleum, chemistry power generating and metallurgy.TypeYVFB, YVFPBRated voltage: 0.6/kVOperating ... meters and automates control system in petroleum, chemistry power generating and metallurgy.Type YGCB, YGCB-HF46R, YGCB-YVFR ... meters and automates control system in petroleum, chemistry power generating and metallurgy.Type YGCB,YGCPB,YGVFB, YGVFPB Rated ...