Dehnguard Basic Tt 2P Cl2 Spd 10Ka 230Vac

Application-optimised and prewired combined lightning current and surge arrester for single-phase TT and TN-S systems for use in the main power supply system (1+1 configuration) in case of residential buildings without external lightning protection system (also in case of buildings supplied by overhead lines); with floating remote signalling contact. 2PoleClass 210kA