R779
Colour
Optional accessories
Technical Data
last update: 07/11/2025Description
Ring luminaire with 18+12 optical elements for LED lamps - fixed optics. The optic system guarantees a high level of visual comfort and no glare. The body includes a radiant surface made of die-cast aluminium. The 18 LED and 12 LED optical assemblies include control gear and separate on/off switches. Version includes a perimeter surface frame. High definition reflectors made of thermoplastic material vacuum-metallised with aluminium vapours, integrated in a set-back position in the anti-glare screen.
Supplied with a power supply unit connected to the luminaire.
Dimensions
Diameter (mm)
ø180
Shape
Round
Recessed hole dimensions (mm)
ø170
Technical performance
Complies with EN60598-1 and pertinent regulations
Physical properties
Weight (kg)
1.25
Material
Die-cast aluminium and thermoplastic
Product certification
-
BIS -
QCERT
Photometric data
Details
lm system
5270.5
W system
51
lm source
6350
W source
51
Luminous efficiency - lm/W (system value)
103.34
lm in emergency mode
-
Light output ratio (LOR)
83
Optic and beam angle
F - Flood 44°
Adjustability
fixed
Light colour quality
CRI (minimum) 80 - Rf (Colour Fidelity Index) 83 - Rg (Gamut Index) 92
Colour temperature
4000 K
MacAdam Step
2
Lifetime LED 1
> 50,000h - L80 - B10 (Ta 25°C)
Charts and polar curves
Electrical data
ZVEI code
LED
Power Supply
Electronic Driver included
Mounting options
Remote
Dimmable option
Dimmable
Control
DALI-2
Installation
Description
Recessed with steel wire springs for false ceilings from 1 to 25 mm thick - Ø 170 installation hole.;
Mounting
Ceiling recessed
Wiring
On the power supply unit with terminal board included. Available in DALI versions.