NUMINOS S CL PHASE is a surface-mounted ceiling spotlight shaped as a plain cylinder 6.5 cm across and 16.2 cm tall. The body is matt white and the ring around the light opening matt black, so the source itself sits recessed well inside the housing. The fitting screws straight to the ceiling.
Surface mounting and the room it takes below the ceiling
The CL version mounts on the ceiling surface and needs neither an aperture nor a void above it. It therefore goes where a recessed fitting cannot be set: on a concrete slab, or under a ceiling with nothing built out behind it.
The cylinder reaches 16.2 cm below the ceiling line. That is the figure to compare against your own ceiling height, particularly over a walkway. At 6.5 cm across, the footprint on the ceiling stays small. The fitting weighs 0.43 kg net and 0.648 kg packed.
The light it gives
The module draws 8 W and delivers 950 lm, which the manufacturer states as 118.75 lm/W. 950 lm is a little more than the old 60 W bulb, but gathered into a narrow cone instead of spread around the room.
The beam angle is 24°, so the fitting throws a concentrated pool of light rather than lighting a room evenly. That is a distribution for picking out one place: a worktop, a picture, a shelf or a section of wall. 2700 K is warm, slightly yellow in cast, and colour rendering above Ra 90 means colours inside that pool read almost as they do in daylight, which is often decisive when objects are being displayed.
Dimming, supply and the light source
The fitting dims, but only on a trailing-edge phase dimmer. The dimmer is not supplied, and it is what decides whether the control works at all. Supply is 220-240 V, 50/60 Hz.
The fitting is protection class I, so the wiring at the mounting point must carry an earth conductor. Stated source life is 50,000 h, and the manufacturer notes in the manual that the light source may be changed only by an authorised service technician: it is not a user-replaceable part.
