Lauritz Knudsen Electrical and Automation Electrical & Automation is the leading supplier of the S-Line Busbar Trunking System in over 30 countries. Whether you're setting up a Metro line or an industrial complex, our S-Line Busbar Trunking products meet all your power distribution needs using copper or aluminium busbars.

The S-Line offers bus duct systems from 250A to 6300A, featuring flexible designs with uniform Class-F insulation, excellent insulation, and higher joint overlapping for longer life, higher savings, and enhanced safety.