U23F2/LEDN35DT1

+ 1

U23F2/LEDN35DT1

recessed luminaire • square

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

housing: lacquered sheet steel

light source: LED LP • 4000 K

optics: Diffuser • opal acrylic (PMMA) • wide-angle

UGR classification: <= 22

luminous flux: 3600 lm

luminous efficacy: 124 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: 596 mm x 596 mm x 13 mm

ceiling modulation: M600

colour: RAL9016 - traffic white (textured)

type: individual luminaire

IP: IP20, IP54 from below

IK: IK06

wireless: No

ball proof: No

Light source

correlated colour temperature: 4000 K

Ra: 80

Electrical Properties

driver: DALI dimmable

power: 29 W

voltage: 220-240V

frequency: 50-60Hz AC

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Photometric data

luminous flux: 3600 lm

luminous efficacy: 124 lm/W

power: 29 W

UGR classification <=: 22

LLMF: 87% @ 50khrs (Tq=25°C)

correlated colour temperature: 4000 K

Ra: 80

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Luminous intensities in cd

Intensity for 3600lm
Gamma	C0	C45	C90
0°	1248.0	1248.0	1248.0
5°	1238.4	1238.8	1242.6
10°	1222.9	1222.6	1226.9
15°	1195.6	1196.2	1200.1
20°	1159.7	1159.1	1163.3
25°	1113.5	1112.7	1117.2
30°	1057.6	1057.5	1060.9
35°	993.2	992.6	996.7
40°	920.5	919.3	923.2
45°	839.7	838.6	842.6
50°	751.5	750.6	754.7
55°	656.6	655.7	662.1
60°	555.5	556.0	561.0
65°	449.0	452.2	459.4
70°	341.3	346.5	355.5
75°	236.6	242.9	252.9
80°	137.6	146.9	154.8
85°	51.0	57.5	46.2
90°	0.0	0.0	0.0

Luminance

luminous flux: 3600 lm

luminous efficacy: 124 lm/W

luminous area: 0.28 m²

Average Luminances (Cd/m²) for 3600lm
Gamma	C0	C30	C45	C60	C90
45°	4228	4223	4222	4225	4242
50°	4162	4158	4157	4160	4180
55°	4075	4071	4070	4075	4109
60°	3955	3955	3959	3969	3994
65°	3782	3794	3809	3823	3870
70°	3552	3578	3606	3634	3700
75°	3254	3307	3341	3387	3479
80°	2821	2931	3012	3059	3174
85°	2082	2203	2348	2481	1889

UGR

Corrected Glare Ratings for a Total Lamp Flux of 3600lm (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	17.4	19.2	17.7	19.5	19.7	17.4	19.2	17.7	19.5	19.8
Y = 3H	18.9	20.6	19.3	20.9	21.2	19.0	20.7	19.3	20.9	21.3
Y = 4H	19.5	21.1	19.8	21.4	21.7	19.6	21.2	20.0	21.5	21.8
Y = 6H	19.9	21.3	20.3	21.7	22.0	20.1	21.6	20.5	21.9	22.2
Y = 8H	20.0	21.4	20.4	21.7	22.1	20.2	21.6	20.6	22.0	22.3
Y = 12H	20.0	21.4	20.4	21.7	22.1	20.3	21.6	20.7	22.0	22.3
X = 4H Y = 2H	18.0	19.6	18.4	19.9	20.2	18.1	19.6	18.4	19.9	20.3
Y = 3H	19.7	21.1	20.1	21.5	21.8	19.8	21.2	20.2	21.5	21.9
Y = 4H	20.5	21.7	20.9	22.0	22.4	20.6	21.8	21.0	22.2	22.6
Y = 6H	21.0	22.1	21.4	22.5	22.9	21.2	22.3	21.6	22.7	23.1
Y = 8H	21.1	22.2	21.6	22.6	23.0	21.4	22.4	21.8	22.8	23.2
Y = 12H	21.2	22.1	21.7	22.6	23.0	21.4	22.4	21.9	22.8	23.2
X = 8H Y = 4H	20.8	21.8	21.2	22.2	22.6	20.9	21.9	21.3	22.3	22.7
Y = 6H	21.4	22.3	21.9	22.7	23.2	21.6	22.5	22.1	22.9	23.4
Y = 8H	21.7	22.4	22.1	22.9	23.4	21.9	22.6	22.4	23.1	23.6
Y = 12H	21.8	22.4	22.3	22.9	23.5	22.0	22.7	22.5	23.2	23.7
X = 12H Y = 4H	20.8	21.7	21.2	22.1	22.6	20.9	21.8	21.4	22.3	22.7
Y = 6H	21.5	22.3	22.0	22.7	23.2	21.7	22.4	22.2	22.9	23.4
Y = 8H	21.8	22.4	22.3	22.9	23.4	22.0	22.6	22.5	23.1	23.6
	UGR Variations with Observer Position for Luminaire Spacings S
S = 1.0H		+0.1		-0.1			+0.1		-0.1
S = 1.5H		+0.2		-0.3			+0.2		-0.3
S = 2.0H		+0.4		-0.6			+0.4		-0.6

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	103	99	97	96	94	92	92	90	89	83
2	89	83	79	83	79	76	80	76	74	69
3	77	71	65	73	67	63	70	66	62	58
4	69	61	55	65	58	54	62	57	53	50
5	61	53	47	58	51	46	56	50	46	43
6	55	47	41	52	45	40	51	45	40	37
7	50	42	36	48	41	36	46	40	35	33
8	46	38	32	44	37	32	43	36	32	29
9	42	34	29	40	33	29	39	33	28	26
10	39	31	26	37	31	26	36	30	26	24

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	47	38	45	37	45	37	43	36	36	29
0.80	58	49	55	47	55	47	53	46	45	38
1.00	67	57	62	54	63	55	60	53	52	45
1.25	77	67	70	63	72	64	68	62	61	54
1.50	84	74	76	69	78	71	73	67	66	60
2.00	93	84	83	77	86	79	80	75	73	67
2.50	99	92	88	83	91	86	85	80	79	73
3.00	105	98	92	87	96	91	88	85	83	78
4.00	110	104	95	91	100	96	92	89	87	82
5.00	114	109	98	95	104	100	94	92	90	86

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: 467 / 784 / 955 / 1000 / 1000

CIE FLUXCODE: 0.47 / 0.78 / 0.95 / 1.00 / 1.00

BZ: BZ5/1.25/BZ4/1.5/BZ5

CAE: Symmetrical

DIN: A40 (Nach Arbeitsblatt 7)

DIN_U: Phi u = 1.00

DIN_SU: Phi su = 0.54

UTE: 1.00 E + 0.00 T

Accessories & pictograms

Accessories

U23H2 Recessed mounting frame for plaster-board and wooden ceilings M600

U23H4 Surface mounted rim M600

U23F2/LEDN35DT1

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Photometric data

Tender description

Product description

Product info

Mechanical properties

Light source

Electrical Properties

Dimensional drawing

Photometric data

Luminous intensities in cd

Luminance

UGR

Efficiency

Lifetime

Classifications

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