VIKING3 ground terminal block 4mm2 STEP-6 green yellow. For protective conductor Metal foot 1 joint 1 input/1 output Screwless rail mounting up to 10 mm pitch and with screws for 12 and 15 mm pitches PEN from 10 mm² Colour: Green/yellow Nominal section: 4 mm² Rigid conductor capacity: 0.25 to 6 mm² Flexible conductor capacity with or without terminal: 0.25 to 4 mm²< br>Pitch: 6 mm. Viking™ 3 screw connection terminal blocks for copper cable They allow to ensure the electrical connection between 2 flexible copper conductors (with or without terminal) or rigid 2 zones for equipotential interconnection combs with automatic insertion up to 8 mm pitch (upper deck only for multi-storey blocks) For symmetrical rails depth 15 mm, symmetrical EN 60715 depth 7.5 mm and 15 mm.