Based on this product's specifications, here are some alternatives and similar models
Hager KB163P 1-Phase Pin Busbar 63A 10mm2, 228 mm, 50 pieces
Summary description:
The Hager KB163P is a 1-phase pin-type busbar designed for efficient electrical distribution in modular installations. Rated for 63A and 10mm2 cross-section, this 228 mm long busbar ensures reliable connections for circuit breakers. This pack contains 50 pieces, making it an ideal solution for professional electrical panel assembly and distribution board wiring projects.