SURGE ARRESTER FOR HOUSEHOLD MASTER PRD1 3P 350V TYPE 1

Acti 9 iPRF1 12.5r & PRD1 - Type 1 and Type 1+2 surge protectors First installer-friendly lighting protection. Improved continuity of use and safety. Remote monitoring of protection status. Quick models easier to install thanks to integrated disconnector. - Maximum discharge current 8 ... 65 kA. - Integrated disconnector for short-circuit current, Isc up to 25 kA (IEC 61643-11, version 2005): Quick PF, Quick PRD series. - Integrated surge protector/disconnector combinations, certified to withstand short-circuit currents, Isc up to 50 kA (IEC 61643-11, version 2005): PF and PRD series. - Maximum steady-state voltage Uc = 260, 440 V. - Compatible with any earthing system: TT, TN-S, TN-C, and IT. - Fixed or removable surge protectors. - Modular multi-pole or single-pole products. - Contacts for remote transmission of end-of-life information. Applications: - Protection of all public and industrial buildings against indirect lightning-induced transient overvoltages - Protection in all residential buildings as well as public and industrial buildings. This product description is an automated translation of the original Finnish description.