Pipe clamp according to EN 62561-1, for connecting downpipes to the lightning equipotential bonding according to IEC 62305-3. Connection possibilities D11 mm for round conductors, e.g. with KS connector or clamping piece. Bimetallic type for St connecting conductors to Cu downpipes, with St/tZn clamping piece and intermediate plate (Cupal), for fixed pipe diameters with screw M8.