Device is designed to overvoltage protection of devices connected to the Ethernet 10/100/1000 Mb/s networks - protects 4 pairs of UTP cable; It is designed to mount inside RACK 19" as 1U module; Rated voltage: 20 V ; Voltage protection level (line-line): 40 V ; Voltage protection level line-PG: 600 V ; Nominal discharge current (line-line): 100 A (8/20µs) ;