Surge protection device compact module type 2+3. Surge protection in main and sub-distribution boards according to 0100-443 (IEC 60364-4-44). Discharge capacity up to 60 kA (8/20) total. Integrated 3+1 solution for TN and TT network systems on 45 mm module width. High-performance varistor technology. Incl. thermal and dynamic disconnection device and optical function displayApplication: Main and sub-distribution boards as well as device protection of three-phase systems.