Combined arrester T1+T2 3P 37.5kA TNC. Combined arrester for use in the pre-meter area in accordance with VDE-AR-N 4100. Arrester type 1 + type 2 in accordance with DIN EN 61643-11 (VDE 0675-6-11). Powerful and terminal-friendly RAC spark gap technology. Can be mounted directly on 40 mm busbar system without the need for any tools. Compatible with feed-in adapter.