Order No.: 51MR38ND0421B

Article wall and ceiling luminaire
Product name Round 21 L
Lamp LED
Rated luminous flux 12230lm
Luminous efficacy 139lm/W
Colour temperature 4000K
Colour rendering CRI > 80
Rated input power 88W
Service life 50000h (L80/B20) at AT = 25°C
Protection rating IP40
Impact resistance IK04
Weight 10.6kg

Round 21 L, wall and ceiling luminaire, primary optical cover: micro prismatic cover, of PMMA, transparent, CAT 2 (L<= 3000cd/m²), light emission: direct/indirect distribution, primary light characteristic: symmetric, installation type: suspended mounting, surface-mounted, LED, rated luminous flux: 12.230lm, luminous efficacy: 139lm/W, light colour: 840, colour temperature: 4000K, control gear: DALI 2, with terminal, 5-pole, mains connection: 230V, AC, 50/60Hz, rated input power: 88W, housing, of aluminium, coated, black, diameter: 850mm, height: 62mm, protection rating (complete): IP40, insulation class (complete): insulation class I (protective earthing), certification: CE, impact resistance: IK04, permissible operating ambient temperature: -10..+35°C, packaging unit: 1 piece

Product details


Key data

Product type wall and ceiling luminaire
Product name Round 21 L
Order No. 51MR38ND0421B


Lighting technology

Cover micro prismatic cover, transparent
Beam angle 85°
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 12230lm
Luminous efficacy 139lm/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 88W


Operating device

Control DALI 2


Certificates, Standards

Protection rating IP40
Insulation class insulation class I (protective earthing)
Impact resistance IK04
Temperature range (operation) -10..+35°C
Certification, designation CE


Material, Colour

housing aluminium, coated, black
Colour specification black
Cover micro prismatic cover of PMMA


Mounting

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


Electrical connection

Connection terminal, 5-pole
Nominal voltage 230V, 50/60Hz, AC


Dimensions, Weight

Diameter 850mm
Height 62mm
Weight 10.6kg


Service life

Rated service life 50000h (L80/B20) at AT = 25°C

Product type
wall and ceiling luminaire

Product name
Round 21 L

Order No.
51MR38ND0421B

Cover
micro prismatic cover, transparent

Beam angle
85°

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
12230lm

Luminous efficacy
139lm/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
88W

Control
DALI 2

Protection rating
IP40

Insulation class
insulation class I (protective earthing)

Impact resistance
IK04

Temperature range (operation)
-10..+35°C

Certification, designation
CE

housing
aluminium, coated, black

Colour specification
black

Cover
micro prismatic cover of PMMA

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

Arrangement
single arrangement

Connection
terminal, 5-pole

Nominal voltage
230V, 50/60Hz, AC

Diameter
850mm

Height
62mm

Weight
10.6kg

Rated service life
50000h (L80/B20) at AT = 25°C

Photometric report / planning data

Round21L
Prism,dir/ind,12230lm840,DA2,bk
Lamps: 1x LED
Order No.: 51MR38ND0421B