Based on this product's specifications, here are some alternatives and similar models
Hager UM34A 4-Pole Copper Busbar 30x5mm for Univers Cabinets
Summary description:
The Hager UM34A is a 4-pole copper busbar with dimensions of 30x5mm, specifically designed for integration within Univers electrical distribution cabinets. This high-quality busbar ensures reliable power distribution and connectivity for industrial and commercial electrical installations. It is engineered for durability and efficient performance in modular enclosure systems.