... : From 30kVA to 2500kVA4, Standard: GB/T10228, GB6450, IEC726, DIN425235, Insulation Level: LI75CA35/LI0AC36, Connection: Yyn0 or Dyn117, Transformer shell is ... discharge13, Strong Overload Capacity14, High short-circuit resistant ability15, High insulation ability under over-voltage condition16, Mounted in sites with adverse ...