Based on this product's specifications, here are some alternatives and similar models
Erko KLR 35-25 Copper Reducing Connector 35 x 25 mm
Summary description:
The Erko KLR 35-25 is a high-quality copper reducing connector designed for reliable electrical cable connections. With a cross-section reduction from 35 mm² to 25 mm², this component ensures optimal conductivity and mechanical strength in electrical installations. It is an essential tool for professional electrical work, providing a secure and durable link between conductors of different sizes.