U23F8/LEDW35D

+ 1

U23F8/LEDW35D

recessed luminaire • square

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

housing: lacquered sheet steel

light source: LED LP • 3000 K

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

UGR classification: <= 22

luminous flux: 3400 lm

luminous efficacy: 117 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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Product info

Mechanical properties

dimensions: 621 mm x 621 mm x 13 mm

ceiling modulation: M625 square

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: 3000 K

Ra: 80

Electrical Properties

driver: DALI dimmable

power: 29 W

voltage: 220-240V

frequency: 50-60Hz AC

Dimensional drawing

Photometric data

luminous flux: 3400 lm

luminous efficacy: 117 lm/W

power: 29 W

UGR classification <=: 22

LLMF: 87% @ 50khrs (Tq=25°C)

correlated colour temperature: 3000 K

Ra: 80

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Luminous intensities in cd

Intensity for 3400lm
Gamma	C0	C45	C90
0°	1178.6	1178.6	1178.6
5°	1169.6	1170.0	1173.5
10°	1155.0	1154.7	1158.7
15°	1129.2	1129.8	1133.5
20°	1095.3	1094.7	1098.7
25°	1051.6	1050.9	1055.2
30°	998.9	998.7	1002.0
35°	938.1	937.4	941.3
40°	869.4	868.3	871.9
45°	793.1	792.0	795.7
50°	709.7	708.9	712.8
55°	620.1	619.3	625.3
60°	524.6	525.1	529.8
65°	424.1	427.1	433.9
70°	322.3	327.2	335.7
75°	223.4	229.4	238.9
80°	130.0	138.7	146.2
85°	48.1	54.3	43.7
90°	0.0	0.0	0.0

Luminance

luminous flux: 3400 lm

luminous efficacy: 117 lm/W

luminous area: 0.28 m²

Average Luminances (Cd/m²) for 3400lm
Gamma	C0	C30	C45	C60	C90
45°	3993	3988	3988	3990	4006
50°	3931	3927	3926	3929	3948
55°	3849	3844	3844	3848	3881
60°	3735	3736	3739	3748	3773
65°	3572	3583	3598	3611	3655
70°	3355	3379	3406	3432	3494
75°	3073	3123	3155	3199	3286
80°	2665	2769	2844	2889	2998
85°	1966	2080	2217	2344	1784

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	17.2	19.0	17.5	19.3	19.5	17.2	19.0	17.5	19.3	19.6
Y = 3H	18.7	20.4	19.1	20.7	21.0	18.8	20.5	19.1	20.8	21.1
Y = 4H	19.3	20.9	19.7	21.2	21.5	19.4	21.0	19.8	21.3	21.6
Y = 6H	19.7	21.1	20.1	21.5	21.8	19.9	21.4	20.3	21.7	22.0
Y = 8H	19.8	21.2	20.2	21.5	21.9	20.0	21.4	20.4	21.8	22.1
Y = 12H	19.8	21.2	20.2	21.5	21.9	20.1	21.4	20.5	21.8	22.1
X = 4H Y = 2H	17.8	19.4	18.2	19.7	20.0	17.9	19.4	18.2	19.7	20.1
Y = 3H	19.5	20.9	19.9	21.3	21.6	19.6	21.0	20.0	21.3	21.7
Y = 4H	20.3	21.5	20.7	21.8	22.2	20.4	21.6	20.8	22.0	22.4
Y = 6H	20.8	21.9	21.2	22.3	22.7	21.0	22.1	21.4	22.5	22.9
Y = 8H	20.9	22.0	21.4	22.4	22.8	21.2	22.2	21.6	22.6	23.0
Y = 12H	21.0	21.9	21.5	22.4	22.8	21.2	22.2	21.7	22.6	23.0
X = 8H Y = 4H	20.6	21.6	21.0	22.0	22.4	20.7	21.7	21.1	22.1	22.5
Y = 6H	21.2	22.1	21.7	22.5	23.0	21.4	22.3	21.9	22.7	23.2
Y = 8H	21.5	22.2	21.9	22.7	23.2	21.7	22.4	22.2	22.9	23.4
Y = 12H	21.6	22.3	22.1	22.7	23.3	21.8	22.5	22.3	23.0	23.5
X = 12H Y = 4H	20.6	21.5	21.0	21.9	22.4	20.7	21.6	21.2	22.1	22.5
Y = 6H	21.3	22.1	21.8	22.5	23.0	21.5	22.2	22.0	22.7	23.2
Y = 8H	21.6	22.2	22.1	22.7	23.2	21.8	22.4	22.3	22.9	23.4
	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

U23F8/LEDW35D

Quick downloads

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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