Spelsberg Universal mounting enclosure with additional connection space (e.g. for installing an electronic safety transformer) for pre-cast concrete structures, halogen-free, for installing LV/HV/LED luminaires. Suitable for subsequent installation in prefabricated ceilings 45-70 mm with Ø 82 mm core drilling, for the installation of VDE-approved lights per DIN EN 60598 (VDE 0711), as well as with F identification or MM identification, max. installation height LV lights: 105 mm, HV lights: 110 mm, lamp output max. 50 W Alu, outlet aperture: Ø 76 mm, ORD (Outer Ring Diameter), min. Ø 85 mm, 8 combi-conduit entries 4 x 16 mm, 4 x 19 mm, integrated conduit stopper and strain relief for 16 mm and 19 mm pipes