MR77
Colour
Technical Data
last update: 21/10/2025Description
LED lamp, ceiling-mounted luminaire; integrated DALI dimmable control gear. Die-cast aluminium plate for surface mounting with diffuser element; technical, shaped aluminium sheet brackets for components and optics; comfort reflector vacuum-metallised with aluminium vapours and finished with a protective anti-scratch layer - controlled luminance optic; safety glass cover over LED lamp; lathe-shaped aluminium cylindrical body; lower ring in high resistance polycarbonate.
Dimensions
Diameter (mm)
ø240
Technical performance
Complies with EN60598-1 and pertinent regulations
Physical properties
Weight (kg)
3.1
Material
Aluminium and technopolymer
Product certification
-
ENEC-03
Photometric data
Details
lm system
3483.93
W system
27.7
lm source
4150
W source
24
Luminous efficiency - lm/W (system value)
125.77
lm in emergency mode
-
Light output ratio (LOR)
84
Optic and beam angle
UGR - Luminance control UGR<19
Adjustability
fixed
Light colour quality
CRI (minimum) 80 - Rf (Colour Fidelity Index) 83 - Rg (Gamut Index) 94
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 Power supply included
Mounting options
Integral
Dimmable option
Dimmable
Control
DALI
Installation
Description
Plate fixed to ceiling using screws and screw anchors (not included); bayonet assembly systems ensuring simple installation and maintenance; snap-on spring fastening for reflector.
Wall or pendant application option available thanks to special accessory kits with a separate code.;
Mounting
Wall surface, Ceiling surface, Ceiling pendant
Wiring
Control gear integrated in luminaire; mains and optic unit connections made with quick coupling terminal blocks. Touch-dim push-button dimming option (see instruction sheet)
Notes
Kit for wall-mounting: code no. 9443 - kit for steel cable pendant system L 1500: code no. 9441