Dehn surge arrester DG MP YPV 1200 FM. Surge arrester for PV systems. Type: DG MP YPV 1200 FM. Mains form DC: yes. Number of conductors (without earth): 2. rated discharge surge current (8/20): 20 kA. Max. Leakage surge current (8/20): 40 kA. Max. PV voltage: 1170 V. Protection level: 4 kV. Short-circuit resistance (Isccr): 10 kA. Mounting type: TH35 top-hat rail. Size: 3 TE. Max. Conductor cross-section rigid (solid/multi-stranded): 10 mm². Max. Conductor cross-section flexible (fine stranded): 10 mm². With remote signalling contact: yes. Signalling on the device: optical. Test class type 2: yes. Degree of protection (IP): IP20. Multipole surge arrester DEHN guard MP YPV, type 2 in accordance with EN 61643-31, consisting of base part with plug-in protection modules and double push-in connection terminal suitable for stub and through-wiring. High device safety thanks to arrester monitoring with thermo-dynamic control. For protecting low-voltage consumer installations against overvoltages. For use in accordance with IEC 60364-7-712:2002-05 (installation of photovoltaic supply systems).