U23I1/LEDN35D

U23I1/LEDN35D

recessed luminaire • linear

application: Office, Healthcare, Education, Horeca, Retail, Leisure

housing: lacquered sheet steel

light source: LED LP • 4000 K

optics: Diffuser • acrylic (PMMA) microprism with diffuser foil • wide-angle

UGR classification: <= 19

luminous flux: 3400 lm

luminous efficacy: 106 lm/W

LLMF: 87% @ 50khrs (Tq=25°C)

photobiological safety: EN 62471: RISK GROUP 0 UNLIMITED

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DIALux ULD
Eulumdat LDT

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Mechanical properties

dimensions: 1196 mm x 296 mm x 13 mm

ceiling modulation: M300

colour: RAL9016 - traffic white (textured)

type: individual luminaire

IP: IP20, IP40 from below

IK: IK06

wireless: No

ball proof: No

Light source

correlated colour temperature: 4000 K

Ra: 80

Electrical Properties

driver: DALI dimmable

power: 32 W

voltage: 220-240V

frequency: 50-60Hz AC

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Photometric data

luminous flux: 3400 lm

luminous efficacy: 106 lm/W

luminance @ 65°: 3000 cd/m²

power: 32 W

UGR classification <=: 19

LLMF: 87% @ 50khrs (Tq=25°C)

correlated colour temperature: 4000 K

Ra: 80

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Luminous intensities in cd

Intensity for 3400lm
Gamma	C0	C45	C90
0°	1397.1	1397.1	1397.1
5°	1396.5	1396.0	1397.1
10°	1394.0	1391.6	1390.8
15°	1387.8	1382.8	1380.5
20°	1372.6	1364.3	1359.5
25°	1343.0	1330.6	1321.4
30°	1297.4	1280.3	1263.1
35°	1233.5	1209.1	1182.4
40°	1126.4	1094.5	1054.9
45°	872.9	865.5	831.5
50°	640.0	626.7	564.6
55°	463.4	461.2	396.7
60°	279.4	344.1	327.8
65°	187.1	250.4	235.9
70°	181.7	181.0	149.2
75°	150.5	136.7	129.5
80°	107.0	98.8	93.2
85°	54.7	56.2	47.4
90°	0.2	0.7	0.0

Luminance

luminous flux: 3400 lm

luminous efficacy: 106 lm/W

luminance @ 65°: 3000 cd/m²

luminous area: 0.26 m²

Average Luminances (Cd/m²) for 3400lm
Gamma	C0	C30	C45	C60	C90
45°	4750	4549	4709	4863	4524
50°	3831	3282	3752	4042	3379
55°	3109	2663	3094	3404	2661
60°	2150	2408	2648	2438	2523
65°	1703	1981	2279	1723	2148
70°	2044	1690	2037	1914	1678
75°	2238	2031	2032	2275	1925
80°	2372	2243	2190	2202	2066
85°	2413	2545	2482	2387	2091

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	15.7	17.4	16.0	17.7	17.9	16.0	17.7	16.3	18.0	18.2
Y = 3H	16.5	18.0	16.8	18.3	18.6	16.7	18.2	17.0	18.5	18.8
Y = 4H	17.0	18.4	17.3	18.7	19.1	17.0	18.5	17.4	18.8	19.1
Y = 6H	17.5	18.8	17.9	19.2	19.5	17.4	18.8	17.8	19.1	19.4
Y = 8H	17.7	19.0	18.1	19.3	19.7	17.6	18.9	18.0	19.2	19.6
Y = 12H	17.9	19.1	18.3	19.5	19.8	17.7	18.9	18.1	19.3	19.6
X = 4H Y = 2H	16.0	17.5	16.4	17.8	18.1	16.2	17.7	16.6	18.0	18.3
Y = 3H	17.0	18.2	17.4	18.6	18.9	17.2	18.4	17.5	18.7	19.1
Y = 4H	17.6	18.7	18.0	19.1	19.5	17.7	18.8	18.1	19.2	19.6
Y = 6H	18.3	19.3	18.8	19.7	20.1	18.3	19.3	18.7	19.7	20.1
Y = 8H	18.7	19.6	19.1	20.0	20.4	18.5	19.4	19.0	19.8	20.3
Y = 12H	18.9	19.7	19.4	20.2	20.6	18.7	19.6	19.2	20.0	20.4
X = 8H Y = 4H	17.9	18.8	18.3	19.2	19.6	18.0	18.9	18.4	19.3	19.7
Y = 6H	18.8	19.6	19.3	20.0	20.5	18.7	19.5	19.2	19.9	20.4
Y = 8H	19.2	19.9	19.7	20.4	20.9	19.1	19.8	19.6	20.2	20.7
Y = 12H	19.6	20.2	20.1	20.7	21.2	19.4	20.0	19.9	20.5	21.0
X = 12H Y = 4H	17.9	18.8	18.4	19.2	19.6	18.0	18.9	18.5	19.3	19.7
Y = 6H	18.9	19.6	19.4	20.0	20.5	18.8	19.5	19.3	20.0	20.4
Y = 8H	19.4	20.0	19.9	20.5	21.0	19.2	19.8	19.7	20.3	20.8
	UGR Variations with Observer Position for Luminaire Spacings S
S = 1.0H		+0.3		-0.3			+0.4		-0.4
S = 1.5H		+0.5		-0.8			+0.6		-0.7
S = 2.0H		+1.3		-1.1			+1.2		-1.1

Efficiency

Utilisation Factors according to IES (%)
	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	98	96	95	95	93	92	86
2	93	88	84	87	84	81	84	81	79	74
3	82	76	72	78	73	70	75	71	68	64
4	74	67	62	70	65	60	68	63	59	56
5	67	59	54	64	57	53	62	56	52	49
6	61	53	48	58	52	47	56	51	46	44
7	55	48	42	53	47	42	52	46	42	39
8	51	43	38	49	42	38	48	42	37	35
9	47	39	34	45	39	34	44	38	34	32
10	43	36	31	42	35	31	41	35	31	29

Utilisation Factors according to LiTG (%)
	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	44	50	43	50	43	49	42	42	36
0.80	65	56	61	54	62	54	59	53	52	46
1.00	73	64	68	61	69	62	66	60	59	53
1.25	83	74	76	70	78	71	74	68	67	62
1.50	89	81	81	75	84	77	78	74	73	67
2.00	97	90	87	82	90	85	84	80	79	73
2.50	103	97	91	87	95	91	88	85	83	78
3.00	108	102	95	91	100	95	92	89	87	83
4.00	113	107	97	94	103	99	94	92	90	86
5.00	116	112	100	97	106	103	96	94	93	89

Lifetime

Lifetime Data (Tq=25.0°C)
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

CIE: 585 / 871 / 967 / 1000 / 1000

CIE FLUXCODE: 0.58 / 0.87 / 0.97 / 1.00 / 1.00

BZ: BZ3

CAE: Symmetrical

DIN: A50 (Nach Arbeitsblatt 7)

DIN_U: Phi u = 1.00

DIN_SU: Phi su = 0.62

UTE: 1.00 D + 0.00 T

Accessories & pictograms

Accessories

U23H1 Recessed mounting frame for plaster-board and wooden ceilings M300

U23H3 Surface mounted rim M300

U23I1/LEDN35D

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Electrical Properties

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Luminous intensities in cd

Luminance

UGR

Efficiency

Lifetime

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