FV25B/3+NPE-255S Type 1 AC surge protective deviceSurge Arrester
- FATECH FV25B/3+NPE-255S is a Type 1 AC surge protective device for 3+NPE low voltage power distribution systems. As a Class I lightning surge arrester, it can discharge high impulse lightning current and limit overvoltage effectively to protect main distribution boards, industrial power equipment, commercial buildings and infrastructure. With stable performance, high discharge capacity and DIN‑rail installation, this SPD ensures safe and reliable operation for residential, commercial and industrial applications.