Ordercode: 51MX31DC4DBB

Article office luminaire
Product name Silica® 21
Lamp LED
Rated luminous flux 18230lm
Luminous efficacy 172lm/W
Colour temperature 4000K
Colour rendering CRI > 80
Rated input power 105.9W
Service life 50000h (L85/B50) at AT = 25°C, 70000h (L80/B50) at AT = 25°C
Protection rating IP20
Weight 5.5kg

Silica® 21, office luminaire, primary light control with darklight reflector, of PMMA, black, CAT 2 (L<= 3000cd/m²), light emission: direct/indirect distribution, primary light characteristic: symmetric, installation type: suspended mounting, LED, rated luminous flux: 18.230lm, luminous efficacy: 172lm/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: 105.9W, luminaire housing, of aluminium, jet black (RAL 9005), length: 3.004mm, 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. 51MX31DC4DBB


Lighting technology

Light control darklight reflector of PMMA, black
Beam angle narrow distribution
Symmetry symmetric
Light emission direct/indirect distribution
UGR viewing direction along longitudinal luminaire axis ≤ 19
UGR viewing direction along lateral luminaire axis ≤ 19


Lamps

Lamps with LED
Rated luminous flux 18230lm
Luminous efficacy 172lm/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 105.9W


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, jet black (RAL 9005)
Colour specification jet black (RAL 9005)


Mounting

Mounting method, mounting location suspended mounting
Arrangement single arrangement


Electrical connection

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


Dimensions, Weight

Length 3004mm
Width 53mm
Height 53mm
Weight 5.5kg


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.
51MX31DC4DBB

Light control
darklight reflector of PMMA, black

Beam angle
narrow distribution

Symmetry
symmetric

Light emission
direct/indirect distribution

UGR viewing direction along longitudinal luminaire axis
≤ 19

UGR viewing direction along lateral luminaire axis
≤ 19

Lamps
with LED

Rated luminous flux
18230lm

Luminous efficacy
172lm/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
105.9W

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, jet black (RAL 9005)

Colour specification
jet black (RAL 9005)

Mounting method, mounting location
suspended mounting

Arrangement
single arrangement

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

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

Length
3004mm

Width
53mm

Height
53mm

Weight
5.5kg

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, jet black (RAL 9005), DALI 2, 18230lm, 840, 3004x53mm, Connection: terminal
Ordercode: 51MX31DC4DBB