NUMINOS L CL DALI is a surface-mounted ceiling light built as a plain cylinder: a matt white aluminium body closed by a black ring, with the prismatic lens set back inside it. The light source is a built-in LED module, so the fitting works as soon as it is wired up and no bulb has to be bought separately. The module is replaceable by a service technician only, not by the user.
Size and mounting
The tube measures 10 cm across and 21.3 cm tall, so it stands more than twenty centimetres clear of the ceiling. Compare that figure with your room height and with the clearance above a door or a cabinet if the fitting is to sit close to one.
Mounting is surface: the luminaire screws onto the ceiling and needs neither a cut-out nor a void above the plasterboard, so it also goes onto a solid concrete slab. It weighs 1.044 kg. Safety class I means the supply circuit has to carry an earth conductor.
How much light it gives
The luminaire puts out 2300 lm, roughly what three old 60 W bulbs used to give, in a 60 degree beam. The light lands on the area below the fitting rather than spreading through the whole room. At 20 W of rated power SLV declares an efficiency of 121.05 lm/W.
2700 K is warm, slightly yellow light of the kind a traditional bulb produced. A colour rendering index of Ra 90 means colours read almost as they do in daylight, which matters wherever a shade has to be judged. The module sits back behind the ring inside a conical reflector, and the manufacturer states a UGR of 19. Rated module life is 50,000 h.
Dimming and power supply
The driver is built in, so the fitting connects straight to 220-240 V and the LED module itself runs at 500 mA. Dimming works over DALI and also from an ordinary retractive push button in Touch mode, which means the luminaire suits both a bus-controlled installation and a flat without one.
Where it fits
The shape is minimalist and modern: a smooth tube with no ornament, a single matt finish, and the black ring around the light opening as the only accent. The warm colour and high Ra suit a living room, a hallway and an entrance area, and a shop, where the colour of the goods has to read correctly. The CL luminaires are made in several sizes, so one type of fitting can be repeated throughout a room.
