Specification
GTL_THD
CONTRACTOR SELECT / LED: One Lithonia Way Conyers, GA 30012 Phone: 800-858-7763 Fax: 770-929-8789 www.lithonia.com © 2012-2016 Acuity Brands Lighting, Inc. All rights reserved. Rev. 07/28/16
2GTL_THD - 120V LED Troffers
PHOTOMETRICS
2GTL2 A12 120 LP840, 2062.9 delivered lumens, test no. LTL28856, tested in accordance to IESNA LM-79.
2GTL4 A12 120 LP840, 4221.6 delivered lumens, test no. LTL28919, tested in accordance to IESNA LM-79.
0° 20°
40°
60°
80°
20
0
40
0
60
0
80
0
AveLumens
0
5
15
25
35
45
55
65
75
85
90
945
937
889
791
646
470
301
175
100
41
3
89
250
364
403
362
270
176
106
44
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
702.7
1105.4
1737.8
2063.5
0.0
2063.5
34.1
53.6
84.2
100.0
0.0
*100.0
*Efficiency
Coefficients of Utilization
%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
93
83
74
67
61
55
51
47
43
119
101
87
75
66
58
52
47
43
39
36
119
98
81
69
60
52
46
41
37
34
31
116
103
91
81
73
66
60
55
50
46
43
116
99
85
74
65
58
52
47
42
39
36
116
96
80
68
59
52
46
41
37
34
31
111
99
88
78
70
64
58
53
49
45
42
111
96
83
72
64
57
51
46
42
38
35
111
93
78
67
58
51
46
41
37
33
31
RCR
50% beam -
60.9°
10% beam -
102.1°
Mounting
Height
Inital FC
Center
Beam Diameter FC DiameterFC
8.0
10.0
12.0
14.0
16.0
30.3
16.5
10.5
7.1
5.2
6.5
8.8
11.2
13.5
15.9
15.1
8.2
5.1
3.5
2.5
13.6
18.6
23.5
28.5
33.4
3.0
1.6
1.0
0.7
0.5
0° 20°
40°
60°
80°
600
1200
1800
Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
1826
1817
1741
1577
1315
978
638
371
208
89
12
173
490
724
820
754
573
372
222
95
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
1387.5
2207.1
3533.8
4222.8
0.0
4222.8
32.9
52.3
83.7
100.0
0.0
*100.0
*Efficiency
Coefficients of Utilization
%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
93
82
74
66
60
55
50
46
43
119
101
86
75
65
58
52
46
42
38
35
119
97
81
68
59
51
45
40
36
33
30
116
103
91
81
72
65
59
54
49
46
42
116
99
85
74
64
57
51
46
42
38
35
116
96
80
68
58
51
45
40
36
33
30
111
98
87
78
70
63
57
52
48
45
41
111
95
82
72
63
56
50
45
41
38
35
111
93
78
67
58
51
45
40
36
33
30
RCR
50% beam -
62.9°
10% beam -
103.9°
Mounting
Height
Inital FC
Center
Beam Diameter FC DiameterFC
8.0
10.0
12.0
14.0
16.0
55.3
31.0
19.8
13.6
9.9
6.7
9.2
11.6
14.1
16.5
27.6
15.2
9.6
6.6
4.8
14.1
19.2
24.3
29.4
34.5
5.5
3.0
1.9
1.3
0.9