1,CE Certification 2,Class C,Lower residual,large discharge current 3,Customer first,sincere cooperation 4.Surge Protection Surge Protective Device, Mounting on 35mm DIN RailElectric ratings: 230/400V AC, 50/60HzNumber of poles: 1P, 2P, 3P, 4PResponse time: less than 25msAmbient temperature: -5 to +45°COn-off indicating window: Green: normal functionRed: functionless, immediate replacement ...