Device carrier made of galvanized, profiled sheet steel, surface coated with polyester resin. Tool-free fastening with integrated pressure locks ensures protection against theft and dismantling, direct/indirect diffuse light distribution using Individual.Lens.Optic made of frosted plastic PMMA. The single lens optics ensure ease of installation and are easy to maintain thanks to the easy-to-clean surface. The rhythm of the 3-row single lens arrangement is perfectly coordinated within and across the device carrier and ensures a homogeneous appearance in the object. Electrical connection using a fixed 3-pin quick-assembly plug with free phase preselection. Integrated guide aid for quick contact.