Product code QY55 Laser QY55: Fixed round recessed luminaire - LED - wide flood - Super Comfort Technical description: Round recessed luminaire with contact frame. Super Comfort fixed version: the LEDs are set a long way back to minimize glare and guarantee a high level of visual comfort. The main die-cast aluminium body includes a radiant surface that guarantees optimal heat dissipation. Metallised, thermoplastic, high definition reflector - wide flood optic (42°). Structure featuring a die-cast aluminium external contact frame with a white finish only. The internal ring is made of thermoplastic available in a range of painted and metallised finishes. Safety glass screen included. Quick, easy, tool-free assembly. 4000K high colour rendering index LED lamp. The power supply unit is available with a separte item code. Installation: With steel wire anti-fall springs for recessed installation in false ceilings - minimum thickness of false ceiling 1 mm - preparation hole Ø 38 mm Colour: White (01) | Black / Black (43) | Black / White (47) | White/Gold (41)* | White / Chrome (E4)* | White / burnished chrome (E7)* | White / gold satin-finish (E9)* Weight (Kg): 0.14 Mounting: wall recessed|ceiling recessed Wiring: Direct current ballasts available with separate item codes: ON-OFF / 1-10V dimmable / DALI dimmable / Phase Cut dimmable. Notes: A wide range of decorative accessories and diffusers is available. Class III;IP20;IP43 (On the visible part of the product once installed) CE;UKCA;ENEC-03;BIS;EAC;QCERT;NOM;BVB Product configuration: QY55 QY55: Fixed round recessed luminaire - LED - wide flood - Super Comfort Product characteristics: Total lighting output [Lm]: 511 Total luminous flux at or above an angle of 90° [Lm]: 0 Total power [W]: 6.7 Emergency luminous flux [Lm]: / Luminous efficacy [Lm/W]: 76.3 Voltage [V]: - Life Time: > 50,000h - L90 - B10 (Ta 25°C) Number of optical assemblies: 1 Optical assembly Characteristics Type 1: Light Output Ratio (L.O.R.) [%]: 70 Number of lamps for optical assembly: 1 Lamp code: LED Socket: / ZVEI Code: LED Ballast losses [W]: 0 Nominal power [W]: 6.7 Colour temperature [K]: 4000 Nominal luminous [Lm]: 730 CRI: 90 Lamp maximum intensity [cd]: / Wavelength [Nm]: / Beam angle [°]: 40° MacAdam Step: 2