Busbar for potential equalization type GS 12 . It consists of a housing with a polystyrene cover, a brass rail, one accepts a 30x4 strip, 1 x round conductor Ø8 - Ø10 mm, 1x round conductor 50 mm2 and 7x round conductor 6-25 mm2 with a double row of screws. It is made according to regulations and standards.
