Based on this product's specifications, here are some alternatives and similar models
Dehn 952307 Type 2 Surge Arrester, 3-Pole, 15kA, 3kV
Summary description:
The Dehn 952307 is a high-quality Type 2 surge arrester designed for reliable protection of electrical installations against transient overvoltages. This 3-pole device features a discharge capacity of 15kA and a voltage protection level of 3kV. It is engineered for integration into low-voltage power distribution systems to safeguard sensitive equipment from lightning strikes and switching surges, ensuring operational safety and longevity.