Device installation box, simple, with pre-stamped slots on the side for cables to be inserted from above (advantages for multiple combinations) up to max. Ø 16.5 mm, for fastening in the lid locking mechanism of the device duct bases BU65...., for accommodating installation devices with combination frames, halogen-free.certified! Dimensions (approx. dimensions) H x W x D : 71 x 71 x 50 mm for lid opening : 80 mm Protection class : IP30 Material of box body : PP (polypropylene) Material of screws/mounting tabs : steel, galvanized Color : gentian blue RAL : 5010 (similar)