Combined arrester T1+T2 1P Iimp 25kA Up 1.5kV remote signaling contact backup fuse. Combined arrester type 1 and type 2 in accordance with DIN EN 61643-11 (VDE 0675-6-11) with integrated arrester backup fuse. Base element can be mounted variably and plug-on protection module can be replaced. Variable wiring in the ''3+2,5 cm ( 1 inch ), ''4+0 cm ( 0 inch ) and ''3+0 cm ( 0 inch ) circuit using suitable phase rails. Combined arrester with remote signaling contact for monitoring device (potential-free changeover contact), function/fault display via marking in the viewing window, encapsulated, non-blow-out design. For use in switchgear with prospective short-circuit currents up to 100 kAeff, energetic coordination in accordance with DIN EN 62305-4 (VDE 0185-305-4) to type 2 and 3 arresters and directly to the terminal device.