Combination arrester TT and TN-S systems - Combined arrester for power systems DSH TT 255

Combination arrester TT and TN-S systems - Combined arrester for power systems DSH TT 255 – Dehn – 941310 – 4013364131798: Combined arrester TT and TN-S systems DSH TT 255 TN-S network configuration, TT network configuration, 4 poles, lightning impulse current (10/350 µs) 50kA, maximum continuous voltage AC 255V, nominal voltage AC 230V, protection level 1.5kV, protection level LN 1.5kV, protection level N-PE 1.5kV, follow current extinguishing capability 25kA, specific energy (W/R) 625kJ/Ohm, max. conductor cross-section solid (solid/stranded) 35mm², max TH35, size 4 HP, optical signaling on the device, test class type 1 and 2, energy-coordinated protective effect to the end device, degree of protection (IP) IP20, multi-pole, application-optimized combined arrester DEHNshield, type 1 + type 2 according to EN 61643-11 based on spark gaps. Space-saving spark gap technology with only 1 TE / pole enables a compact design. For the protection of residential buildings and for use in special applications. Enables endpoint protection. For protection against overvoltages, even in the case of direct lightning strikes. Can be used according to the lightning protection zone concept at the interfaces 0A - 2.