Cable protection duct, with snap-on cover and two-row fastening holes and additional offset round holes in the duct base, the potential equalization of the cover is automatic when snapped on, accessories for potential equalization, two joint connectors LST...E3 per joint, must be ordered separately. Dimensions (approx. dimensions) H x W : 60 x 100 mm two-row bottom holes : 2x (7 x 15) and 2x (4.5 x 12) mm row spacing : 50 mm bottom hole spacing grid dimension : 250 mm offset bottom round holes : Ø 20 mm row spacing : 60 mm bottom round hole spacing : 250 mm delivery length L : 3000 mm usable cross section : 5582 mm² material : stainless steel, material no. 1.4301