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LED compact downlights

Rotationally symmetrical narrow beam or wide beam light distribution


A series of very efficient downlights which set new standards of compactness and efficiency with their different housing sizes, light distributions and light outputs.

These luminaires are optionally available with narrow beam or wide beam light distribution for your lighting applications.

The high protection class and excellent workmanship make them durable and reliable lighting tools for indoors and out.

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Protection class  IP 65

Cast aluminium, aluminium and stainless steel
Safety glass
Reflector made of pure anodised aluminium

66 972 · 66 973  without power supply unit · 24 V DC · Safety class III

The luminaire luminous flux and the luminaire connected wattage quoted in the table might change as a result of technical progress. On our website you will find data sheets with information on each luminaire concerning not only the current values but also the LED service life and the luminous flux in relation to the respective colour temperature.

Planning examples

On the basis of our empirical values and the suggestions of architects and planners, we have compiled room situations for which lighting design is frequently required. In the following, we shall present possible illumination solutions for these architectural situations. It goes without saying that all technical lighting standards are complied with. In some cases, the degree of illuminance proposed by us may even exceed the standard. For us, the aesthetics of light and a high level of visual comfort are important criteria for such decisions. At the same time, the form and the size of the luminaires must fit into the architectural surroundings. For example, we often recommend larger models if a structure has large dimensions – even if smaller luminaires with lower output would be enough. In such cases, the degree of illuminance can be reduced to a suitable level by means of a light control system.


Commercial building entrance

The covered area in front of a commercial building is illuminated from a great height with efficient downlights. The focus is placed on the square pillars supporting the roof using very narrow beam in-ground floodlights on the front side. On the sides and at the rear, they benefit from the light of the downlights. A roof panel projecting over the entrance is fitted with recessed ceiling luminaires...

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Finish
LED colour temperature
Symmetrical narrow beam light distribution 
  LED Power supply unit β A B AC/DC
66 974 K3   5.8 W 305 lm on/off 24° 95 90
66 972 K3   5.5 W 535 lm without · 24 V DC 29° 95 90
66 976 K3   9.3 W 621 lm on/off 23° 125 110
66 981 K3   15.0 W 903 lm DALI controllable 12° 150 130
66 978 K3   18.7 W 1971 lm DALI controllable 22° 190 155
66 983 K3   41.5 W 3188 lm DALI controllable 15° 220 175
 
Symmetrical very wide beam light distribution 
  LED Power supply unit β A B AC/DC
66 975 K3   4.5 W 324 lm on/off 90° 95 90
66 973 K3   8.2 W 549 lm without · 24 V DC 89° 95 90
66 977 K3   6.6 W 625 lm on/off 90° 125 110
66 982 K3   11.8 W 953 lm DALI controllable 92° 150 130
66 979 K3   18.7 W 2118 lm DALI controllable 92° 190 155
66 984 K3   40.0 W 3235 lm DALI controllable 91° 220 175

LED compact downlights in use