Bi- Metallic connectors are used for joining aluminium & copper circular conductors. They are particularly useful, when copper is used as earthing in aluminium lightning protection systems.
8mm Dia, Al conductor to 8mm Dia, Cu conductor.
ABI - 8
8mm Dia, Al conductor to 25 x 3 Cu tape,
20 x 3 Al tape to 20 x 3 Cu tape,
ABI - 203
25 x 3 Al tape to 25 x 3 Cu tape,
ABI - 253
Joining method friction welding,welding area more than nominal conductor area.Finish natural.
Aluminium barrel are chemically treated to reduce contact resistance and corrosion and are filled electrically conductive corrosion inhabitant with a jointing compound and capped.