RiLine Busbar Systems Flat Copper Busbar System Flat Copper Busbar System E-Cu Busbars Dimensions from 12 x 5 up to 120 x 10 mm. Show products Flat Copper Busbar System Busbar Supports For Flat Copper Busbars For flat copper bars up to 800 A. Show products Flat Copper Busbar System Spacer for RiLine busbar supports (flat bar system) For busbar supports of flat copper bars. For adapting 12 x 5 and 12 x 10 mm size busbars. Show products