Installation Recessed mounting in ventilated or unventilated suspended ceilings. VTB – for suspended ceilings with visible T-bars 15 or 24 mm. Connection Connection in separate ballast box. The driver box can be positioned next to the luminaire. Snap-in terminal block 3x1,5mm2 (x2), through-wiring possible. 5x1,5mm2 (x2) when dimming. Can also be supplied with earthed mains cable and plug. Design Luminaire body of white enamelled sheet steel (RAL 9016). Louvre Delta – microprismatic louvre above hardened 4 mm glass cover. Dimming CLO (Constant Light Output) maintains the correct light from the luminaire for the duration of its service life. Miscellaneous Enclosure class IP 44 under suspended ceilings and IP 20 above suspended ceilings. Class III applies to the luminaire body only. The supplied driver should be connected to protective earth.