FV25B/1-XXX 220V limp25kA surge arrester electrical
- FATECH FV25B/1-XXX series are Class I Type 1 single‑pole AC surge protective devices suitable for TT, TN and IT power systems. Featuring Iimp 25kA, In 25kA, fast response ≤100ns and mechanical status indication, they deliver reliable lightning surge protection for L/N‑PE circuits. With DIN‑rail installation, high insulation and optional remote contact, they ensure safe and stable operation for various low‑voltage power applications.