Order No.: 51MX21DA44SB

Article office luminaire
Product name Silica 21
Lamp LED
Rated luminous flux 4320lm
Luminous efficacy 169lm/W
Colour temperature 4000K
Colour rendering CRI > 80
Rated input power 25.6W
Service life 50000h (L85) at AT = 25°C
Protection rating IP20
Weight 3.0kg

Silica 21, office luminaire, primary light control with darklight reflector, of PMMA, black, CAT 2 (L= 3000cd/m²), light emission: direct distribution, primary light characteristic: symmetric, installation type: surface-mounted, LED, rated luminous flux: 4.320lm, luminous efficacy: 169lm/W, light colour: 840, colour temperature: 4000K, control gear: DALI 2, with terminal, 3+2-pole, max. 2.5mm², mains connection: 220..240V, AC, 50/60Hz, rated input power: 25.6W, luminaire housing, of aluminium, metallic grey (RAL 9006), length: 1.204mm, 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. 51MX21DA44SB


Lighting technology

Light control darklight reflector of PMMA, black
Beam angle narrow 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 4320lm
Luminous efficacy 169lm/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 25.6W


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)


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 1204mm
Width 53mm
Height 53mm
Weight 3.0kg


Service life

Rated service life 50000h (L85) at AT = 25°C

Product type
office luminaire

Product name
Silica 21

Order No.
51MX21DA44SB

Light control
darklight reflector of PMMA, black

Beam angle
narrow 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
4320lm

Luminous efficacy
169lm/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
25.6W

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)

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
1204mm

Width
53mm

Height
53mm

Weight
3.0kg

Rated service life
50000h (L85) at AT = 25°C

Photometric report / planning data

Silica 21
office luminaire, metallic grey (RAL 9006), DALI 2, 4320lm, 840, 1204x53mm, Connection: terminal
Lamps: 1x LED
Order No.: 51MX21DA44SB