Based on this product's specifications, here are some alternatives and similar models
Electrical complete connector 2, Rittal 2500.650, 2‑pole, 0.25–1.5 mm², 240 V, black
Summary description:
Rittal 2500.650 is a 2‑pole electrical complete connector for through‑wiring applications. It accepts conductors with cross sections from 0.25 to 1.5 mm² and is rated for AC 240 V. Supplied in black and sold in packs of 5 pieces, it is suitable for panel and enclosure wiring where compact, reliable two‑pole connections are required.