Cable protection duct, with snap-on cover and double-row fastening holes as well as 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 : 100 x 100 mm double-row bottom holes : 2x (7 x 15 mm) and 2x (4.5 x 12 mm) center row spacing : 50 mm bottom hole spacing grid dimension : 250 mm offset bottom round holes : Ø 20 mm center row spacing : 60 mm bottom round hole spacing grid dimension : 250 mm Delivery length L : 3000 mm Usable cross-section : 9582 mm² Material : stainless steel, material no. 1.4301