Based on this product's specifications, here are some alternatives and similar models
Bus bar Rittal SV 3590.020 — copper, 2400 mm length
Summary description:
Rittal SV 3590.020 is a copper bus bar supplied as a single piece with a length of 2400 mm. Designed for electrical distribution and power bus systems, it provides a robust conductive pathway for switchgear, distribution panels, and industrial enclosures. Suitable for installations requiring solid copper conductors and reliable current carrying capacity.