Crack Office
L
L
L
L
LED module
microprism diffuser
Changes are allowed due to technical products development
100
86
89
89
79
79
EXAMPLES OF LIGHT CALCULATION
1000
6
7
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Illuminance (lx)
CRACK OFFICE 3000lm 25W L-1126mm
luminaire data:
luminaire efficacy
118.33 lm/W
UGR
<22
power
25W
luminous flux
2950lm
colour temperature
4000K
CRI
80
1967mm | 42W
1686mm | 36W
1406mm | 31W
1126mm | 25W
The luminaire is made of extruded aluminum profile. Cover caps without visible screws. Independent spacing of mounting elements
and suspension. Unified glare rating UGR (4H8H) < 22.
CRACK OFFICE 3700lm 31W L-1406mm
CRACK OFFICE 4400lm 36W L-1686mm
UGR < 22
general data:
luminaire body
aluminium
mounting type
suspended, surface mounted, recessed
ingress protection IP
40
operating temperature range
from -25°C to +35°C
lifetime L80B10
60 000 h
optical data:
optical system
microprism, PMMA, high-polished reflector
light emission
direct
light distribution
symmetrical
unified glare rating UGR (4H8H)
<22
electrical data:
nominal voltage
220 - 240V AC
nominal frequency
50 - 60 Hz
luminaire nominal power
25W, 31W, 36W, 42W,
48W, 53W, 59W, 64W, 70W
protection class
I
contains light source
YES
connection
quick coupler
straight-through cabling
YES
dimming
ON/OFF
options: DALI, Casambi, Tunable White
lighting data:
light source
LED
light source power
22W, 28W, 33W, 39W,
45W, 50W, 56W, 61W, 67W
luminous efficacy of light source / luminaire
183lm/W / 118 lm/W
colour temperature
3000K, 4000K
options: 2700K, 5000K, 6500K
colour rendering index
CRI > 80
options: CRI > 90
colour tolerance SDCM
SDCM < 3
tolerance of luminous flux
+/- 10%
2247mm | 48W
2807mm | 59W
2527mm | 53W
3087mm | 64W
3367mm | 70W
general data:
height of luminaire plane
2.80m
total power per area (81.25 m2)
3.69W/m2
Em
345lx
Emin
216lx
Emin/Em (Uo)
0.63
UGR (4.2H 8.0H)
<=21.4
general data:
height of luminaire plane
2.80m
total power per area (30 m2)
4.13W/m2
Em
372lx
Emin
260lx
Emin/Em (Uo)
0.70
UGR (3.2H 3.9H)
<=20.5
Illuminance (lx)
0
1
2
3
4
5
6
reflector