Device installation box, simple, with round openings pre-punched on the side for cable entries up to max. Ø 16.5 mm, device installation box can safely provide strain relief for cables of types 3 x 1.5 mm² and 5 x 1.5 mm², for all other cables Ø 4.0 - 10.0 mm we recommend using the optional strain relief KEDZ0410, please order separately, for fastening in the duct floor of the device duct bases BU65...., with height adjustment frame, for holding installation devices with combination frame, halogen-free.certified! Dimensions (approx. dimensions) H x W x D: 71 x 71 x 61 mm for lid opening: 80 mm Protection class: IP20 Material of box body: PA (polyamide) Material of screws/mounting tabs: steel, galvanized Color: gentian blue RAL: 5010 (similar)