Schneider Electric Merten surface-mounted housing MTN512325 is in color active white with 3 gangs. The surface-mounted housing is made of polycarbonate, making it as resistant as possible. This surface-mounted housing belongs to Artec, M-Smart aesthetic group. Besides it is halogen free halogen free, which is good for your health. In residential buildings, offices, schools or hotels, Merten System Design stands for inspiration, design and functionality in all living spaces. From controlling conventional installations to intuitive KNX technology, System Design offers all the functionality of a flexible modern switch range.