Based on this product's specifications, here are some alternatives and similar models
PAKPLAST junction plate connector PTO5X4 — flat branch terminal, 5×4 mm²
Summary description:
Flat branch terminal plate PAKPLAST PTO5X4 for electrical installations. Provides five parallel connections for 4 mm² conductors, allowing secure branching and distribution of power in control panels, junction boxes and appliance wiring. Metal contact plate designed for compact, space-saving terminations and reliable electrical contact in low-voltage circuits.