US3141/LEDN40D

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US3141/LEDN40D

recessed luminaire • square

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

light source: low power LED • 4000 K

optics: Softlight • Closed lamp shielding • wide-angle

UGR classification: <= 22

luminous flux: 3850 lm

luminous efficacy: 104 lm/W

LLMF: 96% @ 50khrs (Tq=25°C)

photobiological safety: EN 62471: RISK GROUP 0 UNLIMITED

Product info
Dimensional drawing
Photometric data
Downloads
Accessories & pictograms

Product info

Mechanical properties

dimensions: 595 mm x 595 mm x 90 mm

cut-out size: 596 mm x 596 mm x 100 mm

ceiling modulation: M600

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: DALI dimmable

power: 37 W

voltage: 220-240V

frequency: 50-60Hz AC

Dimensional drawing

Photometric data

luminous flux: 3850 lm

luminous efficacy: 104 lm/W

power: 37 W

UGR classification: 22

LLMF: 96% @ 50khrs (Tq=25°C)

correlated colour temperature: 4000 K

Ra: 80

More information

Luminous intensities in cd

Intensity for 3850lm
Gamma	C0	C45	C90
0°	1115.6	1115.6	1115.6
5°	1121.7	1116.1	1112.0
10°	1135.2	1117.2	1102.3
15°	1164.3	1120.4	1083.0
20°	1204.4	1130.2	1053.3
25°	1223.9	1138.8	1014.3
30°	1212.9	1132.1	972.0
35°	1188.3	1115.0	916.9
40°	1137.5	1075.2	858.1
45°	1073.1	1016.7	787.4
50°	980.0	938.5	709.8
55°	852.9	841.5	621.5
60°	673.3	718.8	527.5
65°	469.1	559.8	429.2
70°	285.7	368.7	322.1
75°	147.8	197.3	214.5
80°	64.4	86.0	112.9
85°	14.5	23.7	42.3
90°	0.0	0.0	0.0

Luminance

luminous flux: 3850 lm

luminous efficacy: 104 lm/W

luminous area: 0.33 m²

Average Luminances (Cd/m²) for 3850lm
Gamma	C0	C30	C45	C60	C90
45°	4590	4509	4349	4059	3368
50°	4611	4573	4416	4152	3340
55°	4497	4530	4437	4210	3277
60°	4073	4322	4348	4192	3191
65°	3357	3719	4006	4034	3072
70°	2527	2871	3260	3642	2848
75°	1727	1982	2306	2785	2506
80°	1121	1359	1498	1753	1967
85°	503	661	822	1079	1467

UGR

Corrected Glare Ratings for a Total Lamp Flux of 3850lm (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	18.1	20.0	18.5	20.2	20.5	17.3	19.1	17.6	19.4	19.6
Y = 3H	19.0	20.7	19.4	21.0	21.3	18.7	20.4	19.1	20.7	21.0
Y = 4H	19.2	20.7	19.5	21.1	21.4	19.2	20.8	19.6	21.1	21.4
Y = 6H	19.2	20.7	19.6	21.0	21.3	19.5	20.9	19.8	21.3	21.6
Y = 8H	19.2	20.6	19.6	20.9	21.3	19.5	20.9	19.9	21.3	21.6
Y = 12H	19.1	20.5	19.5	20.9	21.2	19.5	20.9	19.9	21.2	21.6
X = 4H Y = 2H	18.7	20.3	19.1	20.6	21.0	18.1	19.7	18.5	20.0	20.3
Y = 3H	19.7	21.1	20.1	21.5	21.8	19.8	21.1	20.2	21.5	21.8
Y = 4H	20.0	21.2	20.4	21.6	21.9	20.3	21.6	20.8	21.9	22.3
Y = 6H	20.1	21.1	20.5	21.5	21.9	20.7	21.8	21.1	22.2	22.6
Y = 8H	20.1	21.1	20.5	21.5	21.9	20.8	21.8	21.2	22.2	22.6
Y = 12H	20.0	21.0	20.5	21.4	21.8	20.8	21.7	21.3	22.2	22.6
X = 8H Y = 4H	20.1	21.1	20.6	21.6	22.0	20.5	21.5	20.9	21.9	22.3
Y = 6H	20.3	21.1	20.8	21.6	22.0	20.9	21.7	21.4	22.2	22.6
Y = 8H	20.3	21.1	20.8	21.5	22.0	21.0	21.8	21.5	22.2	22.7
Y = 12H	20.3	21.0	20.8	21.4	22.0	21.1	21.7	21.6	22.2	22.7
X = 12H Y = 4H	20.1	21.1	20.6	21.5	21.9	20.5	21.4	20.9	21.8	22.3
Y = 6H	20.3	21.0	20.8	21.5	22.0	20.9	21.6	21.4	22.1	22.6
Y = 8H	20.4	21.0	20.9	21.5	22.0	21.1	21.7	21.6	22.2	22.7
	UGR Variations with Observer Position for Luminaire Spacings S
S = 1.0H		+0.1		-0.1			+0.1		-0.2
S = 1.5H		+0.6		-0.6			+0.5		-0.6
S = 2.0H		+1.1		-1.6			+0.8		-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	103	100	98	97	94	93	93	91	90	84
2	89	84	80	84	80	76	80	77	74	70
3	78	71	66	73	68	63	70	66	62	58
4	68	61	55	65	58	54	62	57	53	49
5	61	53	47	58	51	46	56	50	45	42
6	55	46	40	52	45	40	50	44	39	37
7	49	41	35	47	40	35	45	39	34	32
8	45	37	31	43	36	31	42	35	30	28
9	41	33	28	39	32	27	38	32	27	25
10	38	30	25	36	29	25	35	29	25	23

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	46	36	43	35	43	35	42	35	34	27
0.80	57	48	54	46	54	46	52	45	44	37
1.00	66	57	62	54	62	54	59	52	52	45
1.25	77	67	70	63	72	64	67	61	60	54
1.50	84	75	76	69	78	71	73	67	66	60
2.00	93	84	83	77	86	80	80	75	74	68
2.50	100	92	88	83	92	86	85	81	79	74
3.00	105	99	92	88	97	92	89	85	84	79
4.00	111	105	96	92	101	97	92	89	88	83
5.00	115	110	98	95	104	101	95	93	91	86

Lifetime

Lifetime Data (Tq=25.0°C)
Time(khrs)	LLMF(%)	Cx(%)
10	99	2
20	98	4
30	98	6
40	97	8
50	96	10
60	95	12

Classifications

CIE: 447 / 801 / 970 / 1000 / 1000

CIE FLUXCODE: 0.45 / 0.80 / 0.97 / 1.00 / 1.00

BZ: BZ10/0.8/BZ5/1.25/BZ4

CAE: CAE 1/65°/CAE 2

DIN: A40 (Nach Arbeitsblatt 7)

DIN_U: Phi u = 1.00

DIN_SU: Phi su = 0.54

UTE: 1.00 F + 0.00 T

Downloads

Attachment		Size
US3141_LEDN40D_LTRevAB.uld		16.5 KB
US3141_LEDN40D_LTRevAB.ldt		1.7 KB
US3141_LEDN40D_LTRevAB.ies		1.16 KB
US3_e-pub_EN.pdf	Brochure US3	2.42 MB
US31E0100.pdf	Installation manual US31	2.28 MB
ETAP Cleaning instructions_EN.pdf	Cleaning instructions for luminaires	49.58 KB
CE_US31 LED.pdf	CE Declaration US31	304.2 KB
ENEC_US31.pdf	ENEC Certification US31	2.49 MB

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Downloads

US3141/LEDN40D

Product info

Mechanical properties

Light source

Electrical Properties

Dimensional drawing

Photometric data

Luminous intensities in cd

Luminance

UGR

Efficiency

Lifetime

Classifications

Downloads

Accessories & pictograms

Accessories

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