The GEWISS Enclosure GW44009 is a surface-mounting junction box with dimensions of 300x220x120 mm, designed for ordinary derivations. It features an IP55 degree of protection, indicating it's protected against dust and water spray. The enclosure is made of technopolymer (GWPLAST 75) and is halogen-free. It also has an IK08 shock resistance rating, meaning it can withstand impacts. Here's a more detailed breakdown: Dimensions: 300x220x120 mm (exterior dimensions are not specified). Protection Rating: IP55 (dust and water spray protection). Material: Technopolymer (GWPLAST 75). Shock Resistance: IK08. Halogen-free: Yes, according to EN 60754-2. Operating Temperature: -25 to +60 °C. Cable Glands: Suitable for cables with diameters from 4 to 14 mm and tubes with diameters of 16, 20, 25, 32, and 40 mm, according to shop.puntoluce.net. Color: Grey (RAL 7035). Lid: Low screw lid, with 4 isolating lead hinge screws. Standards: Insulation class II (according to IEC 61140), according to Gewiss. Other: Resistance to incandescent wire at 650°C. Model Number: GW44009.