Ordercode: 51MY6LDU44BA

Article office luminaire
Product name Silica® 31 Square
Lamp LED
Rated luminous flux 4620lm
Luminous efficacy 167lm/W
Colour temperature 4000K
Colour rendering CRI > 80
Rated input power 27.6W
Service life 70000h (L85/B50) at AT = 25°C
Protection rating IP20
Impact resistance IK03
Weight 3.3kg

Silica® 31 Square, office luminaire, primary light control with lens, of PMMA, primary anti-glare with reflector, of PC, black, light emission: direct distribution, primary light characteristic: symmetric, installation type: lay-in mounting, LED, rated luminous flux: 4.620lm, luminous efficacy: 167lm/W, light colour: 840, colour temperature: 4000K, with terminal, 5-pole, mains connection: 220..240V, AC, 50/60Hz, rated input power: 27.6W, luminaire housing, of sheet steel, coated, jet black (RAL 9005), module: M625, length: 620mm, width: 620mm, height: 43mm, protection rating (complete): IP20, insulation class (complete): insulation class I (protective earthing), certification: CE, impact resistance: IK03, permissible operating ambient temperature: -20..+35°C, standard: EN 50419, packaging unit: 1 piece

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Technical product information
Data for application programs

Product details


Key data

Product type office luminaire
Product name Silica® 31 Square
Order No. 51MY6LDU44BA


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 4620lm
Luminous efficacy 167lm/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 27.6W


Operating device

Control DALI 2, Multilumen


Certificates, Standards

Protection rating IP20
Insulation class insulation class I (protective earthing)
Impact resistance IK03
Temperature range (operation) -20..+35°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 620mm
Width 620mm
Height 43mm
Weight 3.3kg


Service life

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

Product type
office luminaire

Product name
Silica® 31 Square

Order No.
51MY6LDU44BA

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
4620lm

Luminous efficacy
167lm/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
27.6W

Control
DALI 2, Multilumen

Protection rating
IP20

Insulation class
insulation class I (protective earthing)

Impact resistance
IK03

Temperature range (operation)
-20..+35°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
620mm

Width
620mm

Height
43mm

Weight
3.3kg

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

Photometric report / planning data

Photometric report / planning data

Silica® 31 Square
office luminaire, jet black (RAL 9005), DALI 2, Multilumen, 4620lm, 840, 620x620mm, for M625, Connection: terminal
Ordercode: 51MY6LDU44BA