Specification
PHOTOMETRICS
Distribution Curve Distribution Data Output Data Coecient of Utilization Illuminance Data at 30” Above Floor for
a Single Luminaire
LTKSTBF BR20 LED DBL, 2700 K LEDs, input watts: 7.8, delivered lumens: 437, LM/W = 56, test no. 1339-1, tested in accordance with IESNA LM 79-08
0° 20°
40°
60°
80°
10
0
AveLumens
0
5
15
25
35
45
55
65
75
85
90
177
176
169
155
134
107
76
43
14
0
0
17
48
72
84
83
68
42
15
1
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
136.1
219.9
370.1
428.8
0.0
428.8
31.7
51.3
86.3
100.0
0.0
*100.0
*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
83
74
67
60
55
50
46
42
119
102
88
76
66
58
52
46
42
38
35
119
99
82
70
60
52
46
40
36
33
30
116
104
92
82
73
65
59
54
49
45
42
116
100
86
75
65
57
51
46
41
38
35
116
97
81
69
59
52
45
40
36
33
30
111
100
88
79
70
63
57
52
48
44
41
111
97
84
73
64
56
50
45
41
37
34
111
94
80
68
58
51
45
40
36
32
29
RCR
50% beam -
62.8°
10% beam -
106.3°
Mounting
Height
Inital FC
Center
Beam Diameter FC DiameterFC
8.0
10.0
12.0
14.0
16.0
5.9
3.2
2.0
1.3
1.0
6.7
9.2
11.6
14.0
16.5
2.9
1.6
1.0
0.7
0.5
14.7
20.0
25.4
30.7
36.0
0.6
0.3
0.2
0.1
0.1
LTKSTBF BR20 LED MW, 2700 K LEDs, input watts: 7.5, delivered lumens: 500, LM/W = 67, test no. 1339-11, tested in accordance with IESNA LM 79-08
0° 20°
40°
60°
80°
10
0
AveLumens
0
5
15
25
35
45
55
65
75
85
90
194
192
185
171
149
121
89
54
24
3
0
18
52
79
93
94
79
54
26
5
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
149.0
242.2
415.0
499.3
0.0
499.3
29.8
48.5
83.1
100.0
0.0
*100.0
*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
105
92
81
72
65
59
53
49
45
41
119
101
86
74
64
56
50
45
40
37
33
119
98
80
67
58
50
44
39
35
31
28
116
103
90
80
71
64
58
52
48
44
41
116
99
85
73
63
56
49
44
40
36
33
116
96
79
67
57
50
43
38
34
31
28
111
99
87
77
69
62
56
51
47
43
40
111
96
82
71
62
54
49
44
39
36
33
111
93
78
66
56
49
43
38
34
31
28
RCR
50% beam -
63.3°
10% beam -
107.4°
Mounting
Height
Inital FC
Center
Beam Diameter FC DiameterFC
8.0
10.0
12.0
14.0
16.0
6.4
3.4
2.1
1.5
1.1
6.8
9.2
11.7
14.2
16.6
3.2
1.7
1.1
0.7
0.5
15.0
20.4
25.9
31.3
36.8
0.6
0.3
0.2
0.1
0.1
LTKSTBF BR20 KIT-LED
DECORATIVE TRACK LIGHTING: One Lithonia Way Conyers, GA 30012 Phone: 800-533-7728 Fax: 855-209-6364 www.lithonia.com © 2013-2016 Acuity Brands Lighting, Inc. All rights reserved. Rev. 11/07/16
LTKSTBF BR20 LED Step Bae Track Kit