US3140/LEDN20S

US3140/LEDN20S

recessed luminaire • linear

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

housing: lacquered sheet steel

light source: LED LP • 4000 K

optics: Softlight • closed lamp shielding • wide-angle

UGR classification: <= 22

luminous flux: 2350 lm

luminous efficacy: 112 lm/W

LLMF: 98% @ 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: 1195 mm x 295 mm x 95 mm

cut-out size: 1180 mm x 280 mm

ceiling modulation: M300

colour: specular white

type: individual luminaire

IP: IP20

F-sign: do not cover

IK: IK03

wireless: No

ball proof: No

Light source

correlated colour temperature: 4000 K

Ra: 80

Electrical Properties

driver: not dimmable

power: 21 W

voltage: 220-240V

frequency: 50-60Hz AC

Dimensional drawing

Photometric data

luminous flux: 2350 lm

luminous efficacy: 112 lm/W

power: 21 W

UGR classification <=: 22

LLMF: 98% @ 50khrs (Tq=25°C)

correlated colour temperature: 4000 K

Ra: 80

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Luminous intensities in cd

Intensity for 2350lm
Gamma	C0	C45	C90
0°	621.7	621.7	621.7
5°	623.9	623.1	620.8
10°	634.7	624.3	613.9
15°	647.1	624.6	602.0
20°	668.7	624.5	586.1
25°	685.9	631.6	565.6
30°	706.3	631.6	540.2
35°	717.8	631.0	511.5
40°	712.6	627.8	480.7
45°	689.5	616.3	447.8
50°	660.7	589.2	405.8
55°	599.2	551.4	362.5
60°	496.0	496.5	316.3
65°	327.4	411.6	263.9
70°	135.8	277.9	210.5
75°	55.3	106.5	153.5
80°	25.7	34.4	95.1
85°	11.5	11.9	36.6
90°	0.0	0.0	0.0

Luminance

luminous flux: 2350 lm

luminous efficacy: 112 lm/W

luminous area: 0.32 m²

Average Luminances (Cd/m²) for 2350lm
Gamma	C0	C30	C45	C60	C90
45°	3018	2885	2697	2387	1960
50°	3181	3015	2837	2541	1954
55°	3233	3148	2975	2694	1956
60°	3070	3156	3073	2816	1958
65°	2397	2810	3014	2908	1933
70°	1229	1804	2515	2865	1905
75°	661	833	1274	2315	1836
80°	458	504	613	971	1696
85°	408	411	424	446	1300

UGR

Corrected Glare Ratings for a Total Lamp Flux of 2350lm (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	17.3	19.2	17.7	19.5	19.8	15.7	17.5	16.0	17.8	18.1
Y = 3H	18.0	19.7	18.3	20.0	20.3	17.5	19.2	17.8	19.5	19.8
Y = 4H	18.0	19.6	18.3	19.9	20.2	18.2	19.8	18.5	20.1	20.4
Y = 6H	17.9	19.4	18.3	19.8	20.1	18.6	20.1	19.0	20.5	20.8
Y = 8H	17.9	19.4	18.3	19.7	20.0	18.7	20.2	19.1	20.5	20.9
Y = 12H	17.9	19.3	18.3	19.6	20.0	18.8	20.2	19.2	20.5	20.9
X = 4H Y = 2H	18.0	19.6	18.4	19.9	20.2	16.8	18.5	17.2	18.8	19.1
Y = 3H	18.7	20.1	19.1	20.5	20.9	18.8	20.2	19.2	20.6	20.9
Y = 4H	18.8	20.0	19.2	20.4	20.8	19.6	20.9	20.1	21.3	21.6
Y = 6H	18.8	19.9	19.2	20.3	20.7	20.2	21.3	20.7	21.7	22.1
Y = 8H	18.7	19.8	19.2	20.2	20.6	20.4	21.4	20.8	21.8	22.2
Y = 12H	18.7	19.7	19.2	20.1	20.5	20.4	21.4	20.9	21.8	22.3
X = 8H Y = 4H	18.9	20.0	19.4	20.4	20.8	19.7	20.8	20.2	21.2	21.6
Y = 6H	19.0	19.8	19.4	20.3	20.7	20.4	21.2	20.9	21.7	22.1
Y = 8H	19.0	19.7	19.5	20.2	20.7	20.6	21.3	21.1	21.8	22.3
Y = 12H	19.0	19.6	19.5	20.1	20.6	20.7	21.3	21.2	21.8	22.3
X = 12H Y = 4H	18.9	19.9	19.4	20.3	20.7	19.7	20.6	20.2	21.1	21.5
Y = 6H	19.0	19.7	19.5	20.2	20.7	20.4	21.1	20.9	21.6	22.1
Y = 8H	19.0	19.6	19.5	20.1	20.6	20.6	21.2	21.1	21.7	22.2
	UGR Variations with Observer Position for Luminaire Spacings S
S = 1.0H		+0.1		-0.1			+0.1		-0.1
S = 1.5H		+0.6		-0.7			+0.4		-0.5
S = 2.0H		+1.5		-2.4			+1.0		-1.4

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	100	97	96	94	92	92	90	89	84
2	88	83	78	83	78	75	80	76	73	69
3	76	69	64	72	66	62	69	64	61	57
4	67	59	53	63	57	52	61	55	51	48
5	59	51	45	56	49	44	54	48	43	40
6	53	45	39	50	43	38	49	42	37	35
7	48	39	33	45	38	33	44	37	33	30
8	44	35	29	41	34	29	40	34	29	27
9	40	32	26	38	31	26	37	30	26	24
10	37	29	23	35	28	23	34	28	23	21

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	44	35	42	34	42	34	40	33	32	26
0.80	56	46	52	44	52	44	50	43	42	35
1.00	65	55	60	52	61	53	58	51	50	43
1.25	75	65	69	61	70	62	66	60	59	52
1.50	82	73	75	68	76	69	72	66	65	58
2.00	92	83	82	76	85	78	79	74	72	66
2.50	99	91	87	82	91	85	84	80	78	73
3.00	104	98	91	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	100	2
20	99	4
30	99	6
40	99	8
50	99	10
60	98	12

Classifications

CIE: 416 / 781 / 969 / 1000 / 1000

CIE FLUXCODE: 0.42 / 0.78 / 0.97 / 1.00 / 1.00

BZ: BZ10/1.25/BZ4/1.5/BZ10/2.5/BZ5

CAE: CAE 1/75°/CAE 2

DIN: A40 (Nach Arbeitsblatt 7)

DIN_U: Phi u = 1.00

DIN_SU: Phi su = 0.52

UTE: 1.00 E + 0.00 T

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US01H010/1200 Mountingframe for plaster-board, wooden,... ceiling

US3140/LEDN20S

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Luminous intensities in cd

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