... 3-16mm 3.Thermal class: B130C, F155C, H180C,H+200C, Transformer use C220 Flat enameled aluminium wire 1.Process of producing ... Application field: Suitable for winding coils of oil-immersed transformers, dry-type transformers, high-temperature transformers, and wide range of motors ... Co.,Ltd has developed a professional manufacturer of insulated wire . Transformer use C220 Flat enameled aluminium wire