Based on this product's specifications, here are some alternatives and similar models
Relpol 1-Phase Voltage Monitoring Relay, 2P, 5A, 220-460V AC
Summary description:
The Relpol 2605764 is a 1-phase voltage monitoring relay designed for precise electrical system protection. It features a 2P configuration with a 5A contact rating and operates within a 220-460V AC range. This device is essential for monitoring voltage fluctuations in industrial and residential power networks, ensuring equipment safety by detecting overvoltage or undervoltage conditions and triggering appropriate protective actions.