Based on this product's specifications, here are some alternatives and similar models
Hager SPB415 Type 2 Surge Protective Device 4P for TN-S/TT Networks, 20kA
Summary description:
The Hager SPB415 is a Type 2 varistor-based surge protective device designed for 4-pole configurations in TN-S and TT electrical networks. With a nominal discharge current of 20kA, this device provides reliable protection against transient overvoltages, safeguarding sensitive electrical equipment and installations from damage caused by atmospheric discharges or switching operations.