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4259
Colour
Technical Data
last update: 25/08/2026Description
Downlight designed for use with lamp QT 12 and equipped with low-luminance professional optics. The brackets which support the lampholder and the diecast aluminium dissipator are made of galvanized steel and are connected to the perimetric diecast aluminium ring. The superpure aluminium reflector is connected to the ring by two counter springs.
Dimensions
Diameter (mm)
ø168
Shape
Round
Recessed hole dimensions (mm)
ø153
Technical performance
Complies with EN60598-1 and pertinent regulations
Physical properties
Material
Die-cast aluminium
Photometric data
Details
lm system
W system
lm source
W source
100
Luminous efficiency - lm/W (system value)
lm in emergency mode
-
Maximum intensity (cd)
705
Total light flux at or above an angle of 90° (lm)
0
Light output ratio (LOR)
61
Optic and beam angle
Adjustability
fixed
Colour temperature
Lifetime LED 1
Lifetime LED 2
Electrical data
Operating ambient temperature range
Voltage
12 VDC
Power Supply
Electronic Transformer included
Mounting options
Remote
Installation
Description
Recessed installation into false ceilings 1 to 30 mm thick (hole diameter: 178 mm). The fastening brackets are made of steel and can be adjusted for height.;
Mounting
Ceiling recessed
Wiring
Connection to the power supply by fireproof silicone-insulated cable which comes standard with the fitting.