The Air Excellent DB816 is designed to radially distribute air from a ventilation unit, minimizing system pressure drop, fan energy use, and sound levels. It is compatible with Aerfoam insulated ducts and features 16 Air Excellent AE34C duct connections. A Distribution Box (DB), also known as a breaker panel or electrical hub, is the critical junction point where an incoming electrical supply is safely divided into subsidiary circuits. 1 Our premium range of distribution boxes is designed to provide robust protection for circuit breakers, fuses, and. EAE Group of Companies started its journey in the electrical sector in 1973 with the establishment of EAE Elektrik. Since its founding, EAE has grown rapidly, expanding its production and areas of operation by incorporating EAE Lighting in 1983, EAE Machinery in 1996, EAE Electrotechnics in 2004. Accordingly, EAE offers flexible, sound, modular, aesthetic and safe solutions which will also meet your requirements in the foreseeable future. With DBOX adaptors, it can connect to any. Using the RiCAD 3D online CAD component library, Rittal offers engineering, climate control, IT and power solutions for the widest range of enclosures and applications from a single source.