Mini cable protection duct, with snap-on cover and single-row mounting holes in the duct base, the potential equalization of the cover is automatic when snapped on, accessories for potential equalization, one joint connector LST.../LSTA... per joint, must be ordered separately. For use in functional integrity, please observe additional regulations!certified! Dimensions (approx. dimensions) H x W: 26 x 30 mm single row bottom perforation: 4, 2 x 12 mm and 7 x 15 mm bottom hole spacing Grid dimension: 250 mm Delivery length L: 2000 mm Usable cross section: 730 mm² Material: Steel, strip galvanized according to DIN EN 10346