Based on this product's specifications, here are some alternatives and similar models
Simet ZS 120 S-5 Terminal Clamp for 5mm Busbar, 16-120 mm2
Summary description:
The Simet ZS 120 S-5 terminal clamp is designed for secure electrical connections on 5mm thick busbars. It supports a conductor cross-section range of 16-120 mm2. This metallic clamp ensures reliable contact and durability in industrial and commercial electrical distribution systems, providing a robust solution for professional electrical installations.