Combined plug-in terminal block overvoltage protection device, 4-20mA current loops, for data and signal lines, tested in categories D, C, B according to IEC/EN 61643 for lightning-intensive environments, can be snapped onto the 35mm top hat rail, for use in lightning protection zones LPZ 0 to 3, base lower part with screw connection up to 4 sqmm, replaceable protective module, practical earthing via the DIN rail.
