Specification Sheet
Lumination
TM
DI4S Series Downlights
Photometric Data:
Wide Distribution
COEFFICIENTS OF UTILIZATION
NOTE: Floor Cavity Reflectance : 20%
RC 80% 70% 50% 30% 10% 0%
RW 70% 50% 30% 10% 70% 50% 30% 10% 50% 30% 10% 50% 30% 10% 50% 30% 10% 0%
0 119 119 119 119 116 116 116 116 111 111 111 106 106 106 102 102 102 100
1 113 110 108 105 111 108 106 104 104 102 101 100 99 98 97 96 95 93
2 107 102 98 95 105 101 97 94 97 94 92 94 92 90 92 90 88 86
3 102 95 90 86 100 94 89 85 91 87 84 89 85 83 86 84 81 80
4 96 89 83 79 95 88 82 78 85 81 77 83 79 76 81 78 75 74
5 91 83 77 72 90 82 76 72 80 75 71 78 74 71 77 73 70 69
6 87 77 71 67 85 77 71 67 75 70 66 74 69 66 72 68 65 64
7 82 73 66 62 81 72 66 62 71 65 61 69 65 61 68 64 61 59
8 78 68 62 58 77 68 62 58 66 61 57 65 61 57 64 60 57 55
9 74 64 58 54 73 64 58 54 63 57 54 62 57 53 61 56 53 52
10 70 60 54 50 69 60 54 50 59 54 50 58 53 50 58 53 50 49
Zone Lumens Lumens Lumens % of Fixture
0 - 30° 663 978 1326 68.6
0 - 40° 881 1300 1762 91.1
0 - 60° 956 1412 1913 99
0 - 90° 967 1427 1934 100
NOMINAL MODULE LUMENS
ZONAL LUMEN SUMMARY
1000 1500 2000
Angle Candela Candela Candela
0 853 1258 1705
5 863 1274 1726
10 875 1291 1750
15 869 1283 1738
20 822 1214 1644
25 699 1032 1398
30 497 734 994
35 281 415 562
40 137 202 274
45 59 88 119
50 20 30 40
55 9 16 22
60 6 9 12
NOMINAL MODULE LUMENS
CANDLEPOWER SUMMARY
1000 1500 2000
Height fc fc fc Dia. (ft.)
6’ 24 35 47 6.9
8’ 13 20 27 9.2
10’ 9 13 17 11.5
12’ 6 9 12 13.9
14’ 4 6 9 16.2
16’ 3 5 7 18.5
18’ 3 4 5 20.8
20’ 2 3 4 23.1
NOMINAL MODULE LUMENS
CONE OF LIGHT
1000 1500 2000
APPLICATION REFERENCE (Open Space)
LLF: 1.0 Initial, 80/50/20 Reflectances, 2.5’ workplane
Spacing Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
4’ x 4’ 60.3 1.08 89.1 1.50 120.7 1.92
6’ x 6’ 28.1 0.50 41.6 0.70 56.3 0.90
8’ x 8’ 15.1 0.27 22.3 0.38 30.2 0.48
10’ x 10’ 10.1 0.18 14.8 0.25 20.1 0.32
NOMINAL MODULE LUMENS
1000 1500 2000
10’ ceiling, Open Space: 50’ x 40’ x 10’
LLF: 1.0 Initial, 80/50/20 Reflectances, Light levels on the ground
Spacing Avg. fc W/ft
2
Avg. fc W/ft
2
Avg. fc W/ft
2
4’ on ctr. 26.0 0.75 38.3 1.04 51.9 1.33
6’ on ctr. 17.7 0.51 26.1 0.71 35.3 0.91
8’ on ctr. 12.5 0.36 18.4 0.50 24.9 0.64
10’ on ctr. 10.4 0.30 15.3 0.42 20.8 0.53
NOMINAL MODULE LUMENS
1000 1500 2000
APPLICATION REFERENCE (Corridor)
10’ ceiling, Corridor: 6’ W x 100’ L
Spacing Criteria: DI4S - Wide = 1.04
Wide – 1000, 1500, 2000 Lm
1785
10 20 30 40
1339
893
446
90
80
70
60
50
POLAR GRAPH
For more information and access to all of our resources, including our
design tool visit: www.gelighting.com
Installation:
• Universal mounting brackets with over 3” of vertical adjustment accommodate
several types of hanger bars
• Accommodates ceilings up to 1.5” thick
• Mount in T-bar grid or drywall ceilings
• LED module twists in at time of trim installation, preventing damage to module
during ceiling installation
Construction:
• 16 gauge galvanized steel housing
• Custom engineered heat sinks for passive cooling at all lumen options
• Galvanized steel junction box with multiple knockouts
Optical System:
• Custom engineered reflectors for precise beam distributions and 45° cutoff to light source
and source image
• Standard semi-diffuse finish for ideal combination of optical efficiency and low glare
Electrical System:
• Infusion DLM LED module for exceptional performance and tool-free upgradeability
• Standard 0-10V dimming, high efficiency drivers
• Thermal protection feature in module protects LEDs from overheating in abnormal conditions
Product Specifications:
www.gelighting.com
GE and the GE Monogram are trademarks of the General Electric Company. All other trademarks are the property
of their respective owners. Information provided is subject to change without notice. All values are design or typical
values when measured under laboratory conditions. GE Lighting and GE Lighting Solutions, LLC are businesses of
the General Electric Company. © 2015 GE.
IND087 (Rev 01/08/15)