... .small volume and light weight facilitate installation. 1, Rated HV: 10(10.5, 11, 6, 6.3) kV, 20kV, 35kV2, ... From 30kVA to 2500kVA4, Standard: GB/T10228, GB6450, IEC726, DIN425235, Insulation Level: LI75CA35/LI0AC36, Connection: Yyn0 or Dyn117, Transformer shell is ... High insulation ability under over-voltage condition16, Mounted in sites with adverse circumstances17, In case of forces air cooling, the ...