Specification Sheet
2GTL 2X2
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. 04/28/16
2GTL LED Troffer
39W
31W
39W
31W
Constant Lumen Management
Enabled by the embedded nLight control, the GTL actively tracks its run-time and manages its light source such that constant lumen output is maintained over the
system life. Referred to as lumen management, this feature eliminates the energy waste created by the traditional practice of over-lighting.
2GTL2 33L EZ1 LP835, 3453 delivered lumens, test no. LTL26153P5, tested in accordance to IESNA LM-79.
Performance Data
Lumen Package Input Watts Lumens LPW
20L LP830 19.6 1981.2 101.08
20L LP835 19.6 2080.3 106.14
20L LP840 19.6 2179.4 111.19
20L LP850 19.6 2215 113.01
33L LP830 35.4 3300.7 93.24
33L LP835 35.4 3453.3 97.55
33L LP840 35.4 3619.7 102.25
33L LP850 35.4 3645.5 102.98
40L LP830 39.6 3530.6 89.16
40L LP835 39.6 3704.9 93.56
40L LP840 39.6 3883.2 98.06
40L LP850 39.6 3994.2 100.86
PHOTOMETRICS
Note: Performance based on standard #12 pattern acrylic lens.
0° 20°
40°
60°
80°
90°
0°0°0° 90°
180°
300
600
900
1200
1500
Coefficients of Utilization
pf 20%
pc 80% 70%50%
pw 70%50%30% 50%30%10% 50%30%10%
119
109
100
92
85
78
73
68
63
59
56
119
105
93
82
74
66
60
55
50
46
43
119
101
86
75
65
58
51
46
42
38
35
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
59
51
45
40
36
33
30
111
99
87
78
70
63
57
52
48
45
41
111
96
82
72
63
56
50
45
41
38
35
111
93
78
67
58
51
45
40
36
33
30
RCR
0
1
2
3
4
5
6
7
8
9
10
Zonal Lumen Summary
Zone Lumens % Lamp % Fixture
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
1136
1799
2889
3454
0
3454
32.9
52.1
83.6
100.0
0.0
100.0
32.9
52.1
83.6
100.0
0.0
100.0
CP Summary
0° 90
0°
5°
15°
25°
35°
45°
55°
65°
75°
85°
90
1518
1515
1433
1274
1056
795
540
328
176
61
5
1518
1504
1434
1295
1081
809
530
314
180
63
3
MOUNTING DATA
Continuous row mounting of flanged units requires CRE and CRM trim options
(see Options).
NOTE:
1 Recommended rough-in dimensions for F-trim fixtures 24"x24" (Tolerance is +1/4"-0"). Swing-gate range 1-3/16"
to 3-15/16". Swing-gate span 23-3/8" to 26-11/16". Fixture swing-gate points require additional 1-1/16" over
nominal fixture height.