Order No.: 51ME61DC4NWA

Article office luminaire
Product name Silica 21 Round Prismatic X
Lamp LED
Rated luminous flux 11550lm
Luminous efficacy 163lm/W
Colour temperature 4000K
Colour rendering CRI > 80
Rated input power 70.9W
Service life 75000h (L85) at AT = 25°C
Protection rating IP20
Impact resistance IK03
Weight 12.3kg

Silica 21 Round Prismatic X, office luminaire, primary optical cover: prismatic diffuser, of PMMA, CAT 2 (L= 3000cd/m²), light emission: direct distribution, primary light characteristic: symmetric, installation type: surface-mounted, LED, rated luminous flux: 11.550lm, luminous efficacy: 163lm/W, light colour: 840, colour temperature: 4000K, control gear: DALI 2, with system connector, mains connection: 220..240V, AC, 50/60Hz, rated input power: 70.9W, luminaire housing, of aluminium section, traffic white (RAL 9016), diameter: 900mm, height: 63mm, equipment: Standard, 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, packaging unit: 1 piece

Product details


Key data

Product type office luminaire
Product name Silica 21 Round Prismatic X
Order No. 51ME61DC4NWA


Lighting technology

Cover prismatic diffuser
Beam angle extremely wide distribution
Symmetry symmetric
Light emission direct distribution
UGR viewing direction along longitudinal luminaire axis ≤ 19
UGR viewing direction along lateral luminaire axis ≤ 19


Lamps

Lamps with LED
Rated luminous flux 11550lm
Luminous efficacy 163lm/W
Colour temperature 4000K
Colour rendering index CRI > 80
Light colour 840
SDCM (Standard Deviation of Colour Matching) MacAdam ≤ 3 SDCM (initial)
Rated input power 70.9W


Operating device

Control DALI 2


Certificates, Standards

Protection rating IP20
Insulation class insulation class I (protective earthing)
Impact resistance IK03
Temperature range (operation) 0..+35°C
Standard EN 50419
Certification, designation CE


Material, Colour

luminaire housing aluminium section, traffic white (RAL 9016)
Cover prismatic diffuser of PMMA


Mounting

Mounting method, mounting location surface-mounted, to the ceiling
Arrangement single arrangement


Electrical connection

Connection system connector
Nominal voltage 220..240V, 50/60Hz, AC


Dimensions, Weight

Diameter 900mm
Height 63mm
Weight 12.3kg


Service life

Rated service life 75000h (L85) at AT = 25°C

Product type
office luminaire

Product name
Silica 21 Round Prismatic X

Order No.
51ME61DC4NWA

Cover
prismatic diffuser

Beam angle
extremely wide distribution

Symmetry
symmetric

Light emission
direct distribution

UGR viewing direction along longitudinal luminaire axis
≤ 19

UGR viewing direction along lateral luminaire axis
≤ 19

Lamps
with LED

Rated luminous flux
11550lm

Luminous efficacy
163lm/W

Colour temperature
4000K

Colour rendering index
CRI > 80

Light colour
840

SDCM (Standard Deviation of Colour Matching)
MacAdam ≤ 3 SDCM (initial)

Rated input power
70.9W

Control
DALI 2

Protection rating
IP20

Insulation class
insulation class I (protective earthing)

Impact resistance
IK03

Temperature range (operation)
0..+35°C

Standard
EN 50419

Certification, designation
CE

luminaire housing
aluminium section, traffic white (RAL 9016)

Cover
prismatic diffuser of PMMA

Mounting method, mounting location
surface-mounted, to the ceiling

Arrangement
single arrangement

Connection
system connector

Nominal voltage
220..240V, 50/60Hz, AC

Diameter
900mm

Height
63mm

Weight
12.3kg

Rated service life
75000h (L85) at AT = 25°C

Photometric report / planning data

Silica 21 Round Prismatic X
office luminaire, traffic white (RAL 9016), DALI 2, 11550lm, 840, Ø900mm
Lamps: LED 4000K / CRI >= 80
Order No.: 51ME61DC4NWA