GSWF 10...72,5 (12 - 72,5kV) Outdoor current transformers, support type current transformers. The cast resin insulation made of cycloaliphatic epoxy resin has excellent mechanical and electrical characteristics. The transformer complies with VDE and IEC standards. Cores and secondary windings are encapsulated under vacuum in a one step process. The flange is made of hot galvanised steel, all other elements are made of stainless steel. A primary reconnection 1:2 can be implemented (up to 2 x 600 A).