Based on this product's specifications, here are some alternatives and similar models
Residual Current Relay Hager CD441J 30 mA 4×40 A AC
Summary description:
Hager CD441J is a residual current (leakage) relay with 30 mA sensitivity designed for AC circuits. Configured as a 4-pole device with four 40 A outputs, it detects dangerous earth leakage and interrupts supply to enhance electrical safety. Suitable for residential and light commercial installations where protection against electric shock and fire risk reduction is required.