The surface-mounted housing 3-way MEG4034-6535 from Merten in the color lotus white. This surface-mounted housing is a green premium product and is free of mercury, SHVC, halogen and heavy metals. The surface-mounted housing is made of ABS (acrylonitrile butadiene styrene) and is therefore robust. With closed base and guide grooves for partition walls. 2 pre-formed cable entries, closed with blind sliders. Can be mounted on any building material. Accessory duct entry (15 mm). Whether in residential buildings, offices, schools or hotels, Merten System Design stands for inspiration, design and functionality in all living spaces. From the control of conventional installations to intuitive KNX technology, System Design offers the entire functionality of a flexible, modern switch range. Cradle to Cradle CertifiedTM.