U23I8/LEDN35DT1
recessed luminaire
•
square
Office, Healthcare, Education, Horeca, Retail, Leisure
lacquered sheet steel
LED LP
•
4000 K
Diffuser
•
acrylic (PMMA) microprism with diffuser foil
•
wide-angle
<= 19
3400 lm
117 lm/W
87% @ 50khrs (Tq=25°C)
EN 62471: RISK GROUP 0 UNLIMITED
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- DIALux ULD
- Eulumdat LDT
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Product description
U23I8/LEDN35DT1
Square recessed luminaire, Diffuser optics, acrylic (PMMA) microprism with diffuser foil, wide-angle light distribution.
Dimensions: 621 mm x 621 mm x 14 mm.
M625 square, installation as pure lay-in luminaire for modular ceilings with basic exposed TEE grid system.
Flat panel diffuser, low recessed height. IP54 from below.
Flat panel diffuser for bright and uniform illumination.
Luminous flux: 3400 lm, Luminous efficacy: 117 lm/W.
Power: 29.0 W, DALI dimmable.
Frequency: 50-60Hz AC.
Voltage: 220-240V.
Electrical isolation class: class II.
LED with very good light maintenance; at 50000 hrs the luminaire retains 87% of its initial flux (Tq=25°C).
Correlated colour temperature: 4000 K, Colour rendering ra: 80.
Standard deviation colour matching satisfy 3 SDCM.
Diffuser for glare-free light distribution with UGR <= 19 and luminances @ 65° 3000 Cd/m² conform norm EN 12464-1 for high visual demands, e.g. display screen equipment.
Photobiological safety EN 62471: RISK GROUP 0 UNLIMITED.
Lacquered sheet steel housing, RAL9016 - traffic white (textured).
IP protection level: IP20.
IK protection level: IK06.
IP from below: IP54 from below.
Glowwire: 650°C.
5 years warranty on luminaire and driver.
Certifications: CE.
Luminaire with halogen free leads.
The luminaire has been developed and produced according to standard EN60598-1 in a company that is ISO9001 and ISO14001 certified.
Product info
Mechanical properties
621 mm x 621 mm x 13 mm
M625 square
RAL9016 - traffic white (textured)
individual luminaire
IP20, IP54 from below
IK06
No
No
Light source
4000 K
80
Electrical Properties
DALI dimmable
29 W
220-240V
50-60Hz AC
Dimensional drawing
Photometric data
3400 lm
117 lm/W
3000 cd/m²
29 W
19
87% @ 50khrs (Tq=25°C)
4000 K
80
Luminous intensities in cd
Gamma | C0 | C45 | C90 |
---|---|---|---|
0° | 1401.9 | 1401.9 | 1401.9 |
5° | 1398.6 | 1401.2 | 1403.3 |
10° | 1389.2 | 1398.9 | 1408.3 |
15° | 1373.2 | 1394.7 | 1417.9 |
20° | 1346.4 | 1383.0 | 1425.2 |
25° | 1301.7 | 1354.9 | 1415.7 |
30° | 1236.0 | 1305.9 | 1383.7 |
35° | 1148.9 | 1230.6 | 1319.8 |
40° | 1027.9 | 1106.3 | 1192.5 |
45° | 807.8 | 856.5 | 894.3 |
50° | 595.1 | 619.9 | 566.7 |
55° | 412.2 | 469.4 | 428.3 |
60° | 238.6 | 337.4 | 341.8 |
65° | 168.3 | 236.2 | 223.4 |
70° | 174.5 | 175.9 | 145.1 |
75° | 142.3 | 130.1 | 136.0 |
80° | 104.4 | 96.4 | 88.1 |
85° | 51.8 | 54.5 | 48.0 |
90° | 0.0 | 0.0 | 0.0 |
Luminance
3400 lm
117 lm/W
3000 cd/m²
0.28 m²
Gamma | C0 | C30 | C45 | C60 | C90 |
45° | 4067 | 3918 | 4312 | 4670 | 4502 |
50° | 3296 | 2845 | 3433 | 3851 | 3139 |
55° | 2559 | 2399 | 2914 | 3129 | 2659 |
60° | 1699 | 2060 | 2402 | 2047 | 2434 |
65° | 1418 | 1592 | 1990 | 1508 | 1882 |
70° | 1816 | 1420 | 1831 | 1858 | 1510 |
75° | 1958 | 1842 | 1790 | 2022 | 1871 |
80° | 2141 | 1954 | 1977 | 2033 | 1807 |
85° | 2116 | 2240 | 2226 | 2013 | 1960 |
UGR
Corrected Glare Ratings for a Total Lamp Flux of 3400lm (S = 0.25H)
Room Reflection Factors (%) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Ceiling Walls Floor |
70 50 20 |
70 30 20 |
50 50 20 |
50 30 20 |
30 30 20 |
70 50 20 |
70 30 20 |
50 50 20 |
50 30 20 |
30 30 20 |
Room Dimensions | Viewed Crosswise | Viewed Endwise | ||||||||
X = 2H Y = 2H | 15.0 | 16.7 | 15.3 | 17.0 | 17.2 | 15.9 | 17.6 | 16.2 | 17.9 | 18.1 |
Y = 3H | 15.8 | 17.3 | 16.1 | 17.6 | 17.9 | 16.5 | 18.1 | 16.9 | 18.4 | 18.7 |
Y = 4H | 16.3 | 17.7 | 16.6 | 18.0 | 18.3 | 16.9 | 18.3 | 17.2 | 18.6 | 18.9 |
Y = 6H | 16.8 | 18.1 | 17.2 | 18.5 | 18.8 | 17.2 | 18.6 | 17.6 | 18.9 | 19.2 |
Y = 8H | 17.0 | 18.3 | 17.4 | 18.7 | 19.0 | 17.4 | 18.7 | 17.7 | 19.0 | 19.3 |
Y = 12H | 17.2 | 18.4 | 17.6 | 18.8 | 19.1 | 17.5 | 18.7 | 17.9 | 19.1 | 19.4 |
X = 4H Y = 2H | 15.3 | 16.8 | 15.7 | 17.1 | 17.4 | 16.1 | 17.5 | 16.4 | 17.8 | 18.1 |
Y = 3H | 16.3 | 17.5 | 16.7 | 17.9 | 18.2 | 17.0 | 18.2 | 17.4 | 18.5 | 18.9 |
Y = 4H | 16.9 | 18.0 | 17.3 | 18.4 | 18.8 | 17.5 | 18.6 | 17.9 | 19.0 | 19.3 |
Y = 6H | 17.7 | 18.6 | 18.1 | 19.0 | 19.4 | 18.0 | 19.0 | 18.5 | 19.4 | 19.8 |
Y = 8H | 18.0 | 18.9 | 18.4 | 19.3 | 19.7 | 18.3 | 19.2 | 18.7 | 19.6 | 20.0 |
Y = 12H | 18.2 | 19.1 | 18.7 | 19.5 | 19.9 | 18.4 | 19.3 | 18.9 | 19.7 | 20.1 |
X = 8H Y = 4H | 17.2 | 18.1 | 17.7 | 18.5 | 18.9 | 17.7 | 18.6 | 18.2 | 19.0 | 19.5 |
Y = 6H | 18.1 | 18.9 | 18.6 | 19.3 | 19.8 | 18.5 | 19.2 | 18.9 | 19.7 | 20.1 |
Y = 8H | 18.6 | 19.3 | 19.1 | 19.7 | 20.2 | 18.8 | 19.5 | 19.3 | 19.9 | 20.4 |
Y = 12H | 19.0 | 19.5 | 19.5 | 20.0 | 20.6 | 19.1 | 19.7 | 19.6 | 20.2 | 20.7 |
X = 12H Y = 4H | 17.3 | 18.1 | 17.7 | 18.5 | 18.9 | 17.8 | 18.6 | 18.2 | 19.0 | 19.5 |
Y = 6H | 18.2 | 18.9 | 18.7 | 19.4 | 19.8 | 18.5 | 19.2 | 19.0 | 19.7 | 20.2 |
Y = 8H | 18.7 | 19.3 | 19.2 | 19.8 | 20.3 | 18.9 | 19.5 | 19.4 | 20.0 | 20.5 |
UGR Variations with Observer Position for Luminaire Spacings S | ||||||||||
S = 1.0H | +0.3 | -0.3 | +0.4 | -0.5 | ||||||
S = 1.5H | +0.5 | -0.8 | +0.7 | -0.8 | ||||||
S = 2.0H | +1.2 | -1.1 | +1.5 | -1.3 |
Efficiency
Room Reflection Factors (%) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Ceiling Walls Floor |
80 50 20 |
80 30 20 |
80 10 20 |
50 50 20 |
50 30 20 |
50 10 20 |
30 50 20 |
30 30 20 |
30 10 20 |
0 0 0 |
RCR = 1 | 105 | 102 | 100 | 99 | 97 | 95 | 95 | 93 | 92 | 86 |
2 | 93 | 88 | 85 | 88 | 84 | 81 | 84 | 81 | 79 | 75 |
3 | 83 | 77 | 72 | 78 | 74 | 70 | 76 | 72 | 69 | 65 |
4 | 74 | 67 | 62 | 71 | 65 | 61 | 68 | 64 | 60 | 57 |
5 | 67 | 60 | 55 | 64 | 58 | 53 | 62 | 57 | 53 | 50 |
6 | 61 | 53 | 48 | 58 | 52 | 47 | 57 | 51 | 47 | 44 |
7 | 56 | 48 | 43 | 53 | 47 | 42 | 52 | 46 | 42 | 40 |
8 | 51 | 44 | 38 | 49 | 43 | 38 | 48 | 42 | 38 | 36 |
9 | 47 | 40 | 35 | 45 | 39 | 34 | 44 | 38 | 34 | 32 |
10 | 44 | 36 | 32 | 42 | 36 | 31 | 41 | 35 | 31 | 29 |
Room Reflection Factors (%) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Ceiling Walls Floor |
80 50 30 |
80 30 30 |
80 50 10 |
50 30 10 |
50 50 30 |
50 30 30 |
50 50 10 |
50 30 10 |
30 30 10 |
0 0 0 |
k = 0.60 | 53 | 45 | 50 | 43 | 51 | 44 | 49 | 43 | 42 | 36 |
0.80 | 65 | 56 | 61 | 54 | 62 | 55 | 59 | 53 | 52 | 46 |
1.00 | 74 | 65 | 68 | 61 | 70 | 63 | 66 | 60 | 60 | 53 |
1.25 | 83 | 75 | 76 | 70 | 78 | 72 | 74 | 69 | 68 | 62 |
1.50 | 90 | 82 | 81 | 76 | 84 | 78 | 79 | 74 | 73 | 67 |
2.00 | 98 | 90 | 87 | 82 | 91 | 85 | 84 | 80 | 79 | 74 |
2.50 | 104 | 97 | 92 | 87 | 96 | 91 | 89 | 85 | 84 | 79 |
3.00 | 108 | 103 | 95 | 91 | 100 | 96 | 92 | 89 | 88 | 83 |
4.00 | 113 | 108 | 98 | 95 | 103 | 100 | 94 | 92 | 90 | 86 |
5.00 | 116 | 112 | 100 | 97 | 106 | 103 | 97 | 95 | 93 | 89 |
Lifetime
Time(khrs) | LLMF(%) | Cx(%) |
---|---|---|
10 | 97 | n/a |
20 | 95 | n/a |
30 | 92 | n/a |
40 | 89 | n/a |
50 | 87 | n/a |
60 | 85 | n/a |
Classifications
594 / 877 / 968 / 1000 / 1000
0.59 / 0.88 / 0.97 / 1.00 / 1.00
BZ3
Symmetrical
A50 (Nach Arbeitsblatt 7)
Phi u = 1.00
Phi su = 0.62
1.00 D + 0.00 T
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Product description with picture (docx)
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