... high voltage Material:epoxy resin Type:insulator Model number:CH1-40.5 contact box,contact head box,insulating contact box, ... contactor box,switchgear accessory.KYN61 series;height:660mm,voltage:40.5kv.1.Adopts epoxy resin ... beautiful, Machine ,Electrical performance fit.2.Adopts high toughness epoxy resin manufacture , Machine capability excellent, And adopts low reaction ...