This Type 2 Surge Protective Device (SPD) is designed according to EN 50539-11 standards for reliable protection of electrical systems. It features a maximum open-circuit voltage of 275V, a nominal discharge current of 20kA, and a maximum discharge current of 40kA (8/20 µs), with a voltage protection level (Up) of ≤1.8kV and a fast response time of ≤25 ns. The device includes clear operating and fault indication via green/red LEDs, an optional remote changeover contact, and is suitable for mounting on 35mm DIN rails. With an IP20 protection rating and CE certification, it ensures safe and dependable performance in industrial and commercial installations.