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 takes place automatically 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 perforation : 2x (7 x 15) and 2x (4.5 x 12) mm row spacing : 50 mm bottom hole spacing grid dimension : 250 mm offset round bottom perforation : Ø 20 mm row spacing : 60 mm round bottom hole spacing : 250 mm delivery length L : 3000 mm usable cross-section : 5582 mm² material : stainless steel, material no. 1.4301