Terminal block set for the small distributors of the SDB series. The sets can be used to expand and equip the empty small distributors of the SDB 09... series. The terminal block set with plug-in terminals contains: Assembly instructions Cover strip Top hat rail with corresponding carrier and fastening material One protective conductor terminal and one neutral conductor terminal, each with two screw terminals 16/25 mm and 2x4 mm and 12x2.5 mm screwless terminals