Specification
2RT5-2X4
FLUORESCENT: One Lithonia Way Conyers, GA 30012 Phone: 800.858.7763 Fax: 770-929-8789 www.lithonia.com ©2010-2015 Acuity Brands Lighting, Inc. All rights reserved. Rev. 10/05/15
2RT5 Volumetric Recessed Lighting 2' x 4'
2RT5 28T5 GEB95 LPM835P, (2) FP28/835/PM/ECO lamps, 2730 lumens per lamp, s/m 1.2 (along) 1.3 (across), test no. LTL13260
10° 30°
50°
70°
90°
0°0°0° 90°
300
600
900
1200
1500
1800
Coefficients of Utilization
pf 20%
pc 80% 70% 50%
pw 70%50%30% 50%30%10% 50%30%10%
107
98
89
82
75
69
63
59
55
51
48
107
94
82
72
64
57
52
47
43
39
36
107
91
76
65
56
49
44
39
35
32
29
105
92
81
71
63
56
51
46
42
39
36
105
89
75
64
56
49
43
39
35
32
29
105
86
70
59
50
43
38
33
30
27
24
100
88
77
68
61
54
49
45
41
38
35
100
86
73
63
54
48
42
38
34
31
28
100
83
69
58
49
43
37
33
30
27
24
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°
1383
2264
3976
4908
0
4908
25.3
41.5
72.8
89.9
0.0
89.9
28.2
46.1
81.0
100.0
0.0
100.0
89.9%
CP Summary
0° 90
0°
5°
15°
25°
35°
45°
55°
65°
75°
85°
90
1770
1766
1695
1555
1339
1044
695
393
179
30
0
1770
1750
1707
1623
1473
1280
1071
715
257
21
0
Efficiency:
*The LER (Luminaire Efficacy Rating) is the lumens per watt rating for this fixture. It is used to compare the energy efficiency of various products. This photometric report is based upon IES testing procedures, as stated in LM-41-1998. The reported
lumen rating is based upon lamp manufacturer’s published lumen output for the cold spot temperature measured during lamp calibration.
LER: 80.4 lpw
T5/T8 Energy Comparison
System Lamp type Ballast factor Input watts
Watts saved
compared to T8
3-lamp T8 F32T8 0.88 88 –
2RT5 2-lamp T5 F28T5XP 0.90 54 34
2RT5 2-lamp T5 F28T5 0.95 58 30
2RT5 2-lamp T5 F28T5 1.15 71 17
Input Wattage
Ballast 120V 277V
GEB90 GEB95S 55 54
GEB90S @50% power mode 27 27
GEB95 GEB95S 60 58
GEB95S @50% power mode 28 28
GEB115 GEB115S 73 71
GEB115S @50% power mode 35 35
GEB80 GEB80S 96 93
GEB80S @50% power mode 52 51