Three Phase SPD Surge Protection Device Surge Arrester Surge Protective Device

Product Feature1.Use High-efficiency varistor nano-alloy graphite material, fast response time;2.Suitable for TT, IT, TN and other power supply systems, used for T2 protection;3.With remote communication alarm contact, convenient remote monitoring protector installed state;4.Large inrush current and low residual error;5.Standard 35 mm rail installation;6.Easy installation, simple maintenance.  Installation matters1.Instructions for breaking away from failureWhen the surge protector is overheated or broken down due to deterioration, the failure release device can automatically disconnect it from the grid, and red (window) signals (a normal window display for the green), which suggests that the protector has failure need to be replaced immediately.2.the remote communication alarm deviceRemote communication contact for a normally open - a normally closed contact, when the failure of one or more modules, dry contact state. Max. continuous operating voltage                         Uc(V~)420V~Nominal discharge current                                       In(kA)20kAMax. discharge current                                             Imax(kA)40kAProtection level                                                          Up(kV)1.8kVSPD special backup protector (disconnector)        (kA)80kAResponse time                                                            (ns)