U23I2/LEDW35D

U23I2/LEDW35D

recessed luminaire • square

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

housing: lacquered sheet steel

light source: LED LP • 3000 K

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

UGR classification: <= 19

luminous flux: 3200 lm

luminous efficacy: 110 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, 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

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Photometric data

luminous flux: 3200 lm

luminous efficacy: 110 lm/W

luminance @ 65°: 3000 cd/m²

power: 29 W

UGR classification <=: 19

LLMF: 87% @ 50khrs (Tq=25°C)

correlated colour temperature: 3000 K

Ra: 80

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Luminous intensities in cd

Intensity for 3200lm
Gamma	C0	C45	C90
0°	1319.4	1319.4	1319.4
5°	1316.3	1318.8	1320.7
10°	1307.5	1316.6	1325.4
15°	1292.4	1312.6	1334.5
20°	1267.2	1301.7	1341.4
25°	1225.1	1275.2	1332.4
30°	1163.3	1229.1	1302.3
35°	1081.3	1158.3	1242.2
40°	967.4	1041.2	1122.4
45°	760.3	806.1	841.7
50°	560.1	583.5	533.4
55°	388.0	441.8	403.1
60°	224.5	317.6	321.7
65°	158.4	222.3	210.3
70°	164.2	165.6	136.6
75°	134.0	122.5	128.0
80°	98.3	90.8	82.9
85°	48.8	51.3	45.2
90°	0.0	0.0	0.0

Luminance

luminous flux: 3200 lm

luminous efficacy: 110 lm/W

luminance @ 65°: 3000 cd/m²

luminous area: 0.28 m²

Average Luminances (Cd/m²) for 3200lm
Gamma	C0	C30	C45	C60	C90
45°	3828	3688	4058	4396	4238
50°	3102	2678	3231	3625	2954
55°	2408	2258	2742	2945	2502
60°	1599	1939	2261	1926	2291
65°	1335	1498	1873	1420	1771
70°	1709	1336	1724	1749	1421
75°	1843	1733	1684	1903	1761
80°	2015	1839	1861	1913	1700
85°	1992	2108	2095	1894	1844

UGR

Corrected Glare Ratings for a Total Lamp Flux of 3200lm (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	14.8	16.5	15.1	16.7	17.0	15.7	17.4	16.0	17.7	17.9
Y = 3H	15.6	17.1	15.9	17.4	17.7	16.3	17.9	16.7	18.2	18.5
Y = 4H	16.0	17.5	16.4	17.8	18.1	16.7	18.1	17.0	18.4	18.7
Y = 6H	16.6	17.9	17.0	18.2	18.6	17.0	18.4	17.4	18.7	19.0
Y = 8H	16.8	18.1	17.2	18.4	18.8	17.2	18.5	17.5	18.8	19.1
Y = 12H	17.0	18.2	17.4	18.6	18.9	17.3	18.5	17.7	18.9	19.2
X = 4H Y = 2H	15.1	16.5	15.5	16.8	17.2	15.8	17.3	16.2	17.6	17.9
Y = 3H	16.1	17.3	16.5	17.6	18.0	16.8	18.0	17.2	18.3	18.7
Y = 4H	16.7	17.8	17.1	18.2	18.6	17.3	18.4	17.7	18.8	19.1
Y = 6H	17.5	18.4	17.9	18.8	19.2	17.8	18.8	18.2	19.2	19.6
Y = 8H	17.8	18.7	18.2	19.1	19.5	18.1	19.0	18.5	19.4	19.8
Y = 12H	18.0	18.9	18.5	19.3	19.7	18.2	19.1	18.7	19.5	19.9
X = 8H Y = 4H	17.0	17.9	17.4	18.3	18.7	17.5	18.4	18.0	18.8	19.3
Y = 6H	17.9	18.7	18.4	19.1	19.6	18.2	19.0	18.7	19.4	19.9
Y = 8H	18.4	19.1	18.9	19.5	20.0	18.6	19.3	19.1	19.7	20.2
Y = 12H	18.8	19.3	19.3	19.8	20.3	18.9	19.5	19.4	19.9	20.5
X = 12H Y = 4H	17.0	17.9	17.5	18.3	18.7	17.5	18.4	18.0	18.8	19.2
Y = 6H	18.0	18.7	18.5	19.2	19.6	18.3	19.0	18.8	19.5	19.9
Y = 8H	18.5	19.1	19.0	19.6	20.1	18.7	19.3	19.2	19.8	20.3
	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

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	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

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	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

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: 594 / 877 / 968 / 1000 / 1000

CIE FLUXCODE: 0.59 / 0.88 / 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

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

U23H4 Surface mounted rim M600

U23I2/LEDW35D

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Electrical Properties

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Luminous intensities in cd

Luminance

UGR

Efficiency

Lifetime

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