Based on this product's specifications, here are some alternatives and similar models
Schneider Electric NSYSPF6100 — surge protective device (SPD) Type unspecified, MPN NSYSPF6100
Summary description:
Schneider Electric NSYSPF6100 is a surge protective device (SPD) from Schneider Electric designed to protect electrical installations and equipment from transient overvoltages. Provided as a modular protection component (MPN NSYSPF6100), it is intended for installation in distribution boards to limit voltage spikes and improve system robustness. Suitable for residential, commercial, and industrial power systems requiring overvoltage protection.