Based on this product's specifications, here are some alternatives and similar models
F&F PR-603 Priority Relay with Through Channel 230V 16A
Summary description:
The F&F PR-603 is a priority relay designed to manage electrical loads by automatically disconnecting non-essential circuits when the total power consumption exceeds a set limit. Featuring a 230V operating voltage and 16A current capacity, this device includes a through channel for efficient installation. It is ideal for preventing circuit breaker tripping in residential and commercial electrical systems with high-power appliances.