Based on this product's specifications, here are some alternatives and similar models
Bettermann Potential Equalization Busbar 6x10mm2 and 1x16mm2 Flush-Mounted
Summary description:
The Bettermann potential equalization busbar (5015545) is designed for flush-mounted installation to ensure reliable electrical grounding and safety. It features 6 connection points for 10mm2 conductors and 1 connection point for a 16mm2 conductor. This component is essential for building electrical systems, providing a secure connection for equipotential bonding in residential and commercial environments.