Protection device, protects the devices against lighting discharges or surges in AC 230V power lines; Device type: Overvoltage limiter, Three-phase ; Rated voltage: 230 / 400 V AC, 50 / 60 Hz ; Class: 2 type ; Protection level Up L/PE, N/PE: 1.2 kV @ 8/20 µs (T2) ; Nominal discharge current (L/PE, N/PE): 5 kA @ 8/20 µs (T2) ; Connectors type: screw terminals ; Housing: DIN, TS-35 rail mounting ;