Ordercode: 51MX23DB45SB

Article office luminaire
Product name Silica® 21
Lamp LED
Rated luminous flux 4100lm
Luminous efficacy 146lm/W
Colour temperature 4000K
Colour rendering CRI > 80
Rated input power 28.1W
Service life 50000h (L85/B50) at AT = 25°C, 70000h (L80/B50) at AT = 25°C
Protection rating IP20
Weight 3.5kg

Silica® 21, 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: 4.100lm, luminous efficacy: 146lm/W, light colour: 840, colour temperature: 4000K, with terminal, 3+2-pole, max. 2.5mm², mains connection: 220..240V, AC, 50/60Hz, rated input power: 28.1W, luminaire housing, of aluminium, metallic grey (RAL 9006), length: 1.504mm, width: 53mm, height: 53mm, protection rating (complete): IP20, insulation class (complete): insulation class I (protective earthing), certification: CE, 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
Order No. 51MX23DB45SB


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 4100lm
Luminous efficacy 146lm/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 28.1W


Operating device

Control DALI 2


Certificates, Standards

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


Material, Colour

luminaire housing aluminium, metallic grey (RAL 9006)
Colour specification metallic grey (RAL 9006)
Cover prismatic diffuser of PMMA


Mounting

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


Electrical connection

Connection terminal, 3+2-pole, max. 2.5mm²
Nominal voltage 220..240V, 50/60Hz, AC


Dimensions, Weight

Length 1504mm
Width 53mm
Height 53mm
Weight 3.5kg


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

Order No.
51MX23DB45SB

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
4100lm

Luminous efficacy
146lm/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
28.1W

Control
DALI 2

Protection rating
IP20

Insulation class
insulation class I (protective earthing)

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

Standard
EN 50419

Certification, designation
CE

luminaire housing
aluminium, metallic grey (RAL 9006)

Colour specification
metallic grey (RAL 9006)

Cover
prismatic diffuser of PMMA

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

Arrangement
single arrangement

Connection
terminal, 3+2-pole, max. 2.5mm²

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

Length
1504mm

Width
53mm

Height
53mm

Weight
3.5kg

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
office luminaire, metallic grey (RAL 9006), DALI 2, 4100lm, 840, 1504x53mm, Connection: terminal
Ordercode: 51MX23DB45SB