Combined plug-in terminal block surge protection device, 3-wire 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 35 mm top hat rail, for use in lightning protection zones LPZ 0 to 3, base lower part with screw connection up to 4 mm², replaceable protective module, practical earthing via the DIN rail.
