PPBCDTNS25/100(/FM)•Combinedfour-poleSurgeProtectiveDevice(SPD),fullyprewired•LightningcurrentandSPDbasedonhermeticallysealedgasfilledspark-gaps•Noblow-outvents,makingtheobservanceofsafetydistancesforinstallationunnecessary•Protectionlevel≤1kV•Lightningcurrenttestlevel25kA(10/350µs)perphase,resp.100kA(10/350µs)forN-PE•Self-extinguishingmainsupplyfollow-oncurrentsupto4kA•HighinsulationresistanceRisol>1010Ω•Serialwiringwithmultifunctionalscrewterminal•Functioncontrolwithpotential-freeremotesignalcontact(optional))