Ordercode: 51MX21TBT5B

Article office luminaire
Product name Silica® 21
Lamp LED
Rated luminous flux 4650lm
Luminous efficacy 110lm/W
Colour temperature 2700..6500K
Colour rendering CRI > 80
Rated input power 42.3W
Service life 50000h (L85/B50) at AT = 25°C
Protection rating IP20
Weight 3.5kg

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: 4.650lm, luminous efficacy: 110lm/W, light colour: 8tw, colour temperature: 2700..6500K, control gear: ECG DALI, with terminal, 3+2-pole, max. 2.5mm², mains connection: 220..240V, AC, 50/60Hz, rated input power: 42.3W, luminaire housing, of aluminium, jet black (RAL 9005), 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. 51MX21TBT5B


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 4650lm
Luminous efficacy 110lm/W
Colour temperature 2700..6500K
Colour rendering index CRI > 80
Light colour 8tw
SDCM (Standard Deviation of Colour Matching) MacAdam ≤ 3 SDCM (initial)
Rated input power 42.3W


Operating device

Control gear ECG DALI
Control DALI DT8


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 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 50000h (L85/B50) at AT = 25°C

Product type
office luminaire

Product name
Silica® 21

Order No.
51MX21TBT5B

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
4650lm

Luminous efficacy
110lm/W

Colour temperature
2700..6500K

Colour rendering index
CRI > 80

Light colour
8tw

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

Rated input power
42.3W

Control gear
ECG DALI

Control
DALI DT8

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
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
50000h (L85/B50) at AT = 25°C

Photometric report / planning data

Photometric report / planning data

Silica® 21
office luminaire, jet black (RAL 9005), DALI DT8, 4650lm, 8tw, 1504x53mm, Connection: terminal
Ordercode: 51MX21TBT5B

Produktvariants/Accessoires