Ordercode: 51MX6KDU44B

Article office luminaire
Product name Silica® 21 Square
Lamp LED
Rated luminous flux 4600lm
Luminous efficacy 155lm/W
Colour temperature 4000K
Colour rendering CRI > 80
Rated input power 29.6W
Service life 50000h (L85/B50) at AT = 25°C, 70000h (L80/B50) at AT = 25°C
Protection rating IP20
Weight 4.5kg

Silica® 21 Square, office luminaire, primary light control with lens, of PMMA, primary anti-glare with reflector, of PC, black, CAT 2 (L<= 3000cd/m²), light emission: direct distribution, primary light characteristic: symmetric, installation type: lay-in mounting, LED, rated luminous flux: 4.600lm, luminous efficacy: 155lm/W, light colour: 840, colour temperature: 4000K, with terminal, 5-pole, mains connection: 220..240V, AC, 50/60Hz, rated input power: 29.6W, luminaire housing, of sheet steel, coated, jet black (RAL 9005), module: M625, length: 622mm, width: 622mm, height: 33mm, protection rating (complete): IP20, insulation class (complete): insulation class I (protective earthing), certification: CE, permissible operating ambient temperature: -20..+40°C, standard: EN 50419, packaging unit: 1 piece

Product details


Key data

Product type office luminaire
Product name Silica® 21 Square
Order No. 51MX6KDU44B


Lighting technology

Light control lens of PMMA
Glare reduction reflector of PC, black
Beam angle 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 4600lm
Luminous efficacy 155lm/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 29.6W


Operating device

Control DALI 2


Certificates, Standards

Protection rating IP20
Insulation class insulation class I (protective earthing)
Temperature range (operation) -20..+40°C
Standard EN 50419
Certification, designation CE


Material, Colour

luminaire housing sheet steel, coated, jet black (RAL 9005)
Colour specification jet black (RAL 9005)


Mounting

Mounting method, mounting location lay-in mounting, in the ceiling
Arrangement single arrangement


Electrical connection

Connection terminal, 5-pole
Nominal voltage 220..240V, 50/60Hz, AC


Dimensions, Weight

Length 622mm
Width 622mm
Height 33mm
Weight 4.5kg


Service life

Rated service life 70000h (L80/B50) at AT = 25°C, 50000h (L85/B50) at AT = 25°C

Product type
office luminaire

Product name
Silica® 21 Square

Order No.
51MX6KDU44B

Light control
lens of PMMA

Glare reduction
reflector of PC, black

Beam angle
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
4600lm

Luminous efficacy
155lm/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
29.6W

Control
DALI 2

Protection rating
IP20

Insulation class
insulation class I (protective earthing)

Temperature range (operation)
-20..+40°C

Standard
EN 50419

Certification, designation
CE

luminaire housing
sheet steel, coated, jet black (RAL 9005)

Colour specification
jet black (RAL 9005)

Mounting method, mounting location
lay-in mounting, in the ceiling

Arrangement
single arrangement

Connection
terminal, 5-pole

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

Length
622mm

Width
622mm

Height
33mm

Weight
4.5kg

Rated service life
70000h (L80/B50) at AT = 25°C, 50000h (L85/B50) at AT = 25°C

Photometric report / planning data

Photometric report / planning data

Silica® 21 Square
office luminaire, jet black (RAL 9005), DALI 2, 4600lm, 840, 622x622mm, for M625, Connection: terminal
Ordercode: 51MX6KDU44B