Based on this product's specifications, here are some alternatives and similar models
F&F CP-733 3-Phase Voltage Monitoring Relay 3x(50-450V)+N, 8A, 170-210V AC
Summary description:
The F&F CP-733 is a 3-phase voltage monitoring relay designed for industrial and residential electrical systems. It features a measurement range of 3x(50-450V)+N and an output current of 8A. This device provides reliable protection against voltage fluctuations, including under-voltage and over-voltage conditions, with an adjustable range of 170-210V AC, ensuring the safety of connected electrical equipment.