Flat, square surface-mounted luminaire. Base: die-cast aluminium, powder-coated Cover: polycarbonate. With plastic lenses for escape route illumination. Electronic ballast included. Self-contained system with automatic self-test and feedback via DALI bus, only to RZB DALI monitoring system. Luminaires with limited surface temperature in accordance with EN 60598-2-24 for use in environments in which a deposit of conductive dust on the luminaire can be expected. Ball impact proof in accordance with DIN 18032-3. Qualified for use in the food and drink industry.