Ceiling junction box for concrete installation, 4 screw domes with screw spacing 60 mm, with M5 threaded bushing (load capacity 10 kg) to accommodate a ceiling hook, can be combined at a standard spacing of 71 mm, fully insulated cable transition, suitable for all types of formwork and counter formwork, validated according to DIN EN 60670 (VDE 0606), with protection class IP30, for concrete installation, up to 90 ° C, tested, halogen-free, 71 x 71 x 60, 3-part, with smooth front side for nail and adhesive fastening