Mini cable protection duct, with snap-on cover and single-row mounting holes in the duct base, the potential equalization of the cover takes place automatically when snapped on, accessories for potential equalization, one joint connector LST.../LSTA... per joint, must be ordered separately.certified! Dimensions (approx. dimensions) H x W: 16 x 30 mm single row bottom perforation: 4.2 x 12 mm bottom hole spacing grid dimension: 250 mm Delivery length L: 2000 mm Usable cross section: 445 mm² Material: Steel, strip galvanized according to DIN EN 10346