Built-in dimensions W 275 x H 425 x D 150 mm enclosure size 3, type Mi for installation equipment on DIN rails or mounting plates (order separately) max. installation depth with built-in mounting plate 146 mm, with built-in DIN rail 135 mm with transparent lid lid fasteners for tool operation sealable box walls without knockouts optional hinges for device installation in the lid external brackets for wall fixing as accessories colour: grey, RAL 7035 material: PC (polycarbonate)