... % fully copper.10kV electrical energy meter measurement DescriptionThis model combined transformer is one kind of outdoor energy metering device, it is ... A and C phase, moreover, the secondary coil of current transformer owns tap, through which gains different current changing and has ... is 5A or 2A, 1A)Rated secondary volt of volt transformer 100V, three-phase rated secondary output: 0.2 class: 3x 15s ...