Based on this product's specifications, here are some alternatives and similar models
Relpol LD M41G Surge Suppression Module 6-24V DC
Summary description:
The Relpol LD M41G is a surge suppression module designed for 6-24V DC applications. This component effectively protects electrical circuits and connected devices from voltage spikes and transient surges. It is ideal for industrial automation and relay control systems, ensuring reliable operation and extended equipment lifespan. The module is compact and easy to integrate into existing electrical installations.