... discharging tube,piezo resistance and clamping diode. LYX-R/L Surge Protection has two-stage circuit consists of gas ... discharging tube,piezo resistance and clamping diode.1.LYX-R/L surge protector protect un-earthed data (asymmetrical, suspended) ... -R/LNormal voltage Un(V)56122448Max. continuous operating voltage Uc(V)79153051Voltage protection level Up(KV) ≤13203051100Roated loading currecnt ...