Specification
WF4_WF6_WF8 LED - Switchable White
DOWNLIGHTING: One Lithonia Way, Conyers, GA 30012 Phone: 1-800-705-SERV (7378) www.lithonia.com © 2022 Acuity Brands Lighting, Inc. All rights reserved. Rev. 02/08/22
WF4/WF6/WF8 Switchable White 4", 6" or 8" LED Wafer Module
PHOTOMETRICS
WF8 LED 30K40K50K_3000K LED's, input watts: 20, delivered lumens: 1698, LM/W=85, test no. ISF 36826P46
WF8 LED 30K40K50K _5000K LED's, input watts 21, delivered lumens: 1839, LM/W=88, test no. ISF 36826P48
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance Data at 30” Above Floor for
a Single Luminaire
WF8 LED 30K40K50K _4000K LED's, input watts: 19.64, delivered lumens: 1900, LM/W=97, test no. ISF 36826P47
PRINT DATE: TEST NO:
MANUFACTURER:
LUMINAIRE CATALOG NO.:
LUMINAIRE DESCRIPTION:
LUMENS PER LAMP:
[_LAMPTYPE]
[_FAMILY]
[_PRODUCTID]
[_MOUNTING]
[_TOTALLUMINAIRELUMENS]
[_INPUTWATTAGE]
[_PHYSICALDIMENSIONS]
[_SCALED_TEST]
August 21, 2018 ISF 36826P47
Lithonia Lighting
WF8 LED 30K40K50K 90CRI 4000K
8" Matte White Wafer Selectable White LED 30K40K50K _ 4000K
1900.011
LED
WF8 Downlight with Switchable White
f0cc755c-018c-4437-9e97-6533da794ab8
RECESSED DOWNLIGHT
1900.1
19.64
-0.27, -0.27, 0
SCALED FROM ABSOLUTE TEST: ISF 35715S-40K AND BASED ON NOMINAL SYSTEM PERFORMANCE.
0° 20°
40°
60°
80°
200
400
600
Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
685
684
659
605
530
436
335
230
129
37
0
65
186
278
330
336
299
227
137
42
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 120°
90° - 130°
90° - 150°
90° - 180°
0° - 180°
529.2
859.6
1494.5
1900.0
0.0
0.0
0.0
0.0
1900.0
27.8
45.2
78.7
100.0
0.0
0.0
0.0
0.0
*100.0
*Efficiency
Coefficients of Utilization
pf 20%
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
104
90
79
70
63
57
51
47
43
40
119
99
84
71
62
54
48
43
38
35
32
119
96
78
65
55
47
41
36
33
29
27
116
101
88
78
69
62
56
51
46
43
39
116
98
82
70
61
53
47
42
38
35
32
116
94
77
64
54
47
41
36
32
29
27
111
97
85
75
67
60
54
49
45
41
38
111
94
80
68
59
52
46
42
38
34
31
111
91
75
63
54
46
41
36
32
29
26
RCR
50% beam -
63.5°
10% beam -
108.5°
Mounting
Height
Inital FC
Center
Beam Diameter FC Diameter FC
8.0
10.0
12.0
14.0
16.0
22.6
12.2
7.6
5.2
3.8
6.8
9.3
11.7
14.2
16.7
11.3
6.1
3.8
2.6
1.9
15.3
20.8
26.4
31.9
37.5
2.3
1.2
0.8
0.5
0.4
Spacing to Mounting Height:1.2
PRINT DATE: TEST NO:
MANUFACTURER:
LUMINAIRE CATALOG NO.:
LUMINAIRE DESCRIPTION:
LUMENS PER LAMP:
[_LAMPTYPE]
[_FAMILY]
[_PRODUCTID]
[_MOUNTING]
[_TOTALLUMINAIRELUMENS]
[_INPUTWATTAGE]
[_PHYSICALDIMENSIONS]
[_SCALED_TEST]
August 21, 2018 ISF 36826P48
Lithonia Lighting
WF8 LED 30K40K50K 90CRI 5000K
8" Matte White Wafer Selectable White LED 30K40K50K _ 5000K
1839.011
LED
WF8 Downlight with Switchable White
6c9205a6-5a53-479e-9cd3-9832cda30138
RECESSED DOWNLIGHT
1839.1
20.61
-0.27, -0.27, 0
SCALED FROM ABSOLUTE TEST: ISF 35715S-50K AND BASED ON NOMINAL SYSTEM PERFORMANCE.
0° 20°
40°
60°
80°
200
400
600
Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
663
662
637
585
513
422
324
223
125
36
0
63
180
269
320
325
289
220
132
40
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 120°
90° - 130°
90° - 150°
90° - 180°
0° - 180°
512.2
832.0
1446.5
1839.0
0.0
0.0
0.0
0.0
1839.0
27.8
45.2
78.7
100.0
0.0
0.0
0.0
0.0
*100.0
*Efficiency
Coefficients of Utilization
pf 20%
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
104
90
79
70
63
57
51
47
43
40
119
99
84
71
62
54
48
43
38
35
32
119
96
78
65
55
47
41
36
33
29
27
116
101
88
78
69
62
56
51
46
43
39
116
98
82
70
61
53
47
42
38
35
32
116
94
77
64
54
47
41
36
32
29
27
111
97
85
75
67
60
54
49
45
41
38
111
94
80
68
59
52
46
42
38
34
31
111
91
75
63
54
46
41
36
32
29
26
RCR
50% beam -
63.5°
10% beam -
108.5°
Mounting
Height
Inital FC
Center
Beam Diameter FC Diameter FC
8.0
10.0
12.0
14.0
16.0
21.9
11.8
7.3
5.0
3.6
6.8
9.3
11.7
14.2
16.7
11.0
5.9
3.7
2.5
1.8
15.3
20.8
26.4
31.9
37.5
2.2
1.2
0.7
0.5
0.4
Spacing to Mounting Height:1.2
PRINT DATE: TEST NO:
MANUFACTURER:
LUMINAIRE CATALOG NO.:
LUMINAIRE DESCRIPTION:
LUMENS PER LAMP:
[_LAMPTYPE]
[_FAMILY]
[_PRODUCTID]
[_MOUNTING]
[_TOTALLUMINAIRELUMENS]
[_INPUTWATTAGE]
[_PHYSICALDIMENSIONS]
[_SCALED_TEST]
August 21, 2018 ISF 36826P46
Lithonia Lighting
WF8 LED 30K40K50K 90CRI 3000K
8" Matte White Wafer Selectable White LED 30K40K50K _ 3000K
1698.01
LED
WF8 Downlight with Switchable White
5731de75-e81c-4b5d-8d41-741ce8cc04d0
RECESSED DOWNLIGHT
1698.1
20.41
-0.27, -0.27, 0
SCALED FROM ABSOLUTE TEST: ISF 35715S-30K AND BASED ON NOMINAL SYSTEM PERFORMANCE.
0° 20°
40°
60°
80°
200
400
600
Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
612
612
589
540
473
389
300
206
115
33
0
58
166
249
295
300
267
203
122
37
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 120°
90° - 130°
90° - 150°
90° - 180°
0° - 180°
472.9
768.2
1335.6
1698.0
0.0
0.0
0.0
0.0
1698.0
27.8
45.2
78.7
100.0
0.0
0.0
0.0
0.0
*100.0
*Efficiency
Coefficients of Utilization
pf 20%
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
104
90
79
70
63
57
51
47
43
40
119
99
84
71
62
54
48
43
38
35
32
119
96
78
65
55
47
41
36
33
29
27
116
101
88
78
69
62
56
51
46
43
39
116
98
82
70
61
53
47
42
38
35
32
116
94
77
64
54
47
41
36
32
29
27
111
97
85
75
67
60
54
49
45
41
38
111
94
80
68
59
52
46
42
38
34
31
111
91
75
63
54
46
41
36
32
29
26
RCR
50% beam -
63.5°
10% beam -
108.5°
Mounting
Height
Inital FC
Center
Beam Diameter FC Diameter FC
8.0
10.0
12.0
14.0
16.0
20.2
10.9
6.8
4.6
3.4
6.8
9.3
11.7
14.2
16.7
10.1
5.4
3.4
2.3
1.7
15.3
20.8
26.4
31.9
37.5
2.0
1.1
0.7
0.5
0.3
Spacing to Mounting Height:1.2