Specification Sheet
LK4B LED_(GEN4)
DOWNLIGHTING: One Lithonia Way Conyers, GA 30012 Phone: 800-315-4935 Fax: 770-860-3129 www.lithonia.com © 2012-2017 Acuity Brands Lighting, Inc. All rights reserved. Rev. 03/08/17
4" Baffle LED Recessed Downlighting Kit
PHOTOMETRICS
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance Data at 30" Above Floor for
a Single Luminaire
LK4BMW LED , 30K, input watts: 8.2, delivered lumens: 502, LM/W = 61, tested in accordance with IESNA LM 63-1995
0° 20°
40°
60°
80°
100° 120° 140° 160°180°
20
0
AveLumens
0
5
15
25
35
45
55
65
75
85
90
210
209
197
175
144
106
68
36
12
1
0
20
55
80
89
82
61
36
13
2
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 120°
90° - 130°
90° - 150°
90° - 180°
0° - 180°
155.5
245.0
387.4
438.9
0.9
1.4
2.4
3.2
442.1
35.1
55.3
87.4
99.1
0.2
0.3
0.5
0.7
*99.8
*Efficiency
%02fp
pc 80% 70% 50%
pw 50% 30% 10% 50% 30% 10% 50% 30% 10%
0
1
2
3
4
5
6
7
8
9
10
119
106
94
84
76
68
62
57
52
48
44
119
103
89
77
68
60
54
48
44
40
37
119
99
84
71
62
54
48
43
38
35
32
116
104
93
83
74
67
61
56
51
47
44
116
101
87
76
67
59
53
48
44
40
37
116
98
83
71
61
54
48
43
38
35
32
110
100
89
80
72
65
59
54
50
46
43
110
97
84
74
65
58
52
47
43
39
36
110
95
81
69
60
53
47
42
38
35
32
RCR
50% beam -
59.6°
10% beam -
101.5°
Mounting
Height
Inital FC
Center
Beam Diameter FC DiameterFC
8.0
10.0
12.0
14.0
16.0
7.0
3.7
2.3
1.6
1.2
6.3
8.6
10.9
13.2
15.4
3.5
1.9
1.2
0.8
0.6
13.5
18.4
23.3
28.2
33.1
0.7
0.4
0.2
0.2
0.1