6.3/1500 kVA Full-sealed Distribution Transformer: 1) CTQC,CE,ISO9001,ISO14001 2) Apply for IEC,GB,ANSI 3) Low losses 6.3kV/1500 kVA Full-sealed Distribution Transformer•Introduction to Products Its core is made of quality cold-rolled silicon sheet and is of a full-miter non-puncture structure and its coil is made of quality oxygen-free copper. It is artistic in appearance and safe in running and ...