Based on this product's specifications, here are some alternatives and similar models
Hager UM22A Copper Busbar 20x5x495mm 2-Pole 315A
Summary description:
The Hager UM22A is a high-quality 2-pole copper busbar designed for efficient power distribution in electrical panels. With a maximum current rating of 315 A and dimensions of 20x5x495 mm, this robust copper accessory ensures reliable conductivity and durability. It is an essential component for professional electrical installations requiring secure and stable power connections.