Silica 21 Round, office luminaire.

* lighting technology 1:
- primary optical cover: cover panel, of PMMA,
- UGR viewing direction along longitudinal
  luminaire axis ≤ 19
  (X = 4H | Y = 8H | S = 0.25H |
  reflection values 70/50/20),
- UGR viewing direction along lateral luminaire
  axis ≤ 19 (X = 4H | Y = 8H | S = 0.25H |
  reflection values 70/50/20),
- primary beam angle: extremely wide distribution,
- light emission:
  direct with ceiling illumination distribution,
- primary light characteristic: symmetric.

* mounting:
- installation arrangement: single arrangement,
- installation type: surface-mounted,
- installation location:
  to the ceiling / to the wall.

* electrical 1: LED,
- rated luminous flux: 11.880lm,
- luminous efficacy: 171lm/W,
- light colour: 830,
- colour temperature: 3000K,
- colour rendering: CRI > 80,
- control gear: DALI 2,
- with system connector,
- mains connection: 220..240V, AC, 50/60Hz,
- rated input power: 69.6W.

* component:
- luminaire housing, of aluminium section,
  traffic white (RAL 9016).

- diameter: 900mm, height: 63mm,
- weight: 12,3 kg.

* light management:
- equipment: Performance.

* testings/approvals/admissions:
- protection rating (complete): IP20,
- insulation class (complete):
  insulation class I (protective earthing),
- certification: CE,
- impact resistance: IK03,
- permissible operating ambient temperature:
  0..+35°C,
- standard: EN 50419.

* service life:
- rated service life: 100.000h (L85) at AT= 25°C.


- packaging unit: 1 piece.

* manufacture: SITECO,
  Silica 21 Round.

* type: 51MF21DC3NWA.