Based on this product's specifications, here are some alternatives and similar models
Pawbol 3-Phase Fork Busbar 63A 10mm2 54-Module S-54
Summary description:
The Pawbol S-54 3-phase fork busbar is designed for efficient power distribution in electrical switchboards. With a 63A current rating and 10mm2 cross-section, this 54-module busbar ensures reliable connections for modular devices. It is an essential component for professional electrical installations, providing a clean and organized way to bridge multiple circuit breakers or RCDs in a three-phase system.