Based on this product's specifications, here are some alternatives and similar models
Weidmüller WQV 2.5/2 Jumper Bar, 2-Pole, 5.1 mm Pitch
Summary description:
The Weidmüller WQV 2.5/2 jumper bar is a high-quality electrical accessory designed for efficient cross-connection in terminal blocks. Featuring a 2-pole configuration and a 5.1 mm pitch, this yellow jumper bar ensures reliable electrical contact and simplifies wiring tasks in industrial control panels and distribution systems. It is engineered for durability and precise fitment within compatible terminal block series.