| Item Description | Surgecontroller V20 / surge arrester, type 2 • for surge voltage protection equipotential bonding to VDE 0100-443 (IEC 60364-4-44) • discharge capacity to 40 KA (8/20) per pole through high-performance varistors • modular connectable arrester with cut-off unit and visual status display • locking mechanism with vibration protection and voltage keying • plastic to UL 94 V-0 • the remote signalling variants (FS) have a potential-free changeover contact for remote signalling application: Equipotential bonding in main and sub-distributions |