Waterproof, highly durable, extruded housing for accommodating circuit boards or device connections. It is designed for standard European boards. Circuit boards are mounted horizontally by sliding them into the internal slots of the housing. The extruded aluminum housing features a recessed area for labels or a membrane keypad. The end plates are made of robust yet easy-to-machine aluminum die-casting with self-adhesive seals around the entire perimeter. It meets the IP65 protection rating.