Copper-steel-aluminum cable earthing connector in accordance with the DB Netz AG Ril 997.0205A01 guideline, for earthing, return current conduction and potential equalization in the area of use of railway lines. Consists of two cable lugs with a 17 mm bore. The copper-steel-aluminum cable structure represents a preventive anti-theft measure. The halogen-free and flame-retardant design enables use in tunnels in accordance with EU regulations. Designed for short-circuit currents > 25 kA.