Power supply lightning protection socket HD-D220CZ

power supply lightning protection socket This single-phase power supply lightning protection socket is design according to IEC standard.Lightning arrester of this grade adopts the national standard universal socket, Multi-shape power supply socket and built-in automatic protection device, with invalidation indication. MODEL HD-D220CZ Nominal working voltage Un 220V Maximum continuous working voltage Uc 275V Nominal discharge current In （8/20μs） 5KA Maximum discharging current Imax（8/20μs） 10KA Voltage protection level Up ≤700V External dimension 230*160*42mm Response time Ta ≤25ns Protection grade IP20 Sheathing material Flame retardant thermoplastic material Mode of connection Series Installation： This product is mainly used for Grade 3 lightning protection of DPS, installed to the leading end of DPS incoming feeder.It’s suggested the power earthing （PE）be well connected with lightning protection ground lead （suggested earth resistance ≤4Ω）