Niedax mounting rail model 2933, mounting rail TS 35 according to DIN EN 60715, perforated, galvanized according to DIN EN ISO 2081, thick-film passivated, for the quick fastening of installation devices and terminal blocks. Dimensions (approx. dimensions) H x t: 7.5 x 1 mm Fastening dimension B: 27 mm TS snap-on dimension B1: 35 mm Perforation: 5.2 x 18 mm Distance between holes. Hole size: 25 mm Delivery length L: 4000 mm