Technical Specifications
WF4 LED - Switchable White
DOWNLIGHTING: One Lithonia Way, Conyers, GA 30012 Phone: 800-315-4935 Fax: 770-860-3129 www.lithonia.com © 2016-2019 Acuity Brands Lighting, Inc. All rights reserved. Rev. 02/11/19
PRINT DATE: TEST NO:
MANUFACTURER:
LUMINAIRE CATALOG NO.:
LUMINAIRE DESCRIPTION:
LUMENS PER LAMP:
[_FAMILY]
[_PRODUCTID]
[_MOUNTING]
[_TOTALLUMINAIRELUMENS]
[_INPUTWATTAGE]
[_PHYSICALDIMENSIONS]
[_SCALED_TEST]
August 21, 2018 ISF 36826P5
Lithonia Lighting
WF4 LED 30K40K50K 90CRI 4000K
4" Matte White Wafer Selectable White LED 30K40K50K _ 4000K
839.705
WF4 Downlight
4d92f88c-6da2-4fcf-bb3a-dfee71f96cf6
RECESSED DOWNLIGHT
839.7
10.55
-0.27, -0.27, 0
SCALED FROM ABSOLUTE TEST: ISF 36825S B AND BASED ON NOMINAL SYSTEM PERFORMANCE.
0° 20°
40°
60°
80°
200
Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
303
302
291
267
234
193
148
102
57
16
0
29
82
123
146
148
132
100
60
18
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 120°
90° - 130°
90° - 150°
90° - 180°
0° - 180°
233.9
379.9
660.5
839.7
0.0
0.0
0.0
0.0
839.7
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
10.0
5.4
3.4
2.3
1.7
6.8
9.3
11.7
14.2
16.7
5.0
2.7
1.7
1.1
0.8
15.3
20.8
26.4
31.9
37.5
1.0
0.5
0.3
0.2
0.2
Spacing to Mounting Height:1.2
WF4 Switchable White 4" LED Wafer Module
PHOTOMETRICS
WF4 LED 30K40K50K, 4000 K LEDs, input watts: 11, delivered lumens: 840, LM/W=76, test no. ISF 36826P5
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance Data at 30” Above Floor for
a Single Luminaire
ENERGY DATA
WF4 LED 27K30K35K
Color Temperature 2700K 3000K 3500K
Lumens 730 800 780
CRI 90 90 90
Rated wattage 10.7 10.1 10.4
Lu/Watts 68.2 79.2 75.0
Min. starting temp -40°C (-40°F) -40°C (-40°F) -40°C (-40°F)
EMI/RFI FCC Title 47 CFR, Part 15, Class B FCC Title 47 CFR, Part 15, Class B FCC Title 47 CFR, Part 15, Class B
Sound rating Class A Standards Class A Standards Class A Standards
Input voltage 120V 120V 120V
Min. power factor 0.97 0.97 0.97
Input frequency 50/60 Hz 50/60 Hz 50/60 Hz
Input power 120V 120V 120V
Input current 0.09A 0.09A 0.09A
PRINT DATE: TEST NO:
MANUFACTURER:
LUMINAIRE CATALOG NO.:
LUMINAIRE DESCRIPTION:
LUMENS PER LAMP:
[_FAMILY]
[_PRODUCTID]
[_MOUNTING]
[_TOTALLUMINAIRELUMENS]
[_INPUTWATTAGE]
[_PHYSICALDIMENSIONS]
[_SCALED_TEST]
August 21, 2018 ISF 36826P6
Lithonia Lighting
WF4 LED 30K40K50K 90CRI 5000K
4" Matte White Wafer Selectable White LED 30K40K50K _ 5000K
791.6048
WF4 Downlight
b60813f1-7b4b-4bc0-93e7-4c1a872a45dc
RECESSED DOWNLIGHT
791.6
10.13
-0.27, -0.27, 0
SCALED FROM ABSOLUTE TEST: ISF 36825S C AND BASED ON NOMINAL SYSTEM PERFORMANCE.
0° 20°
40°
60°
80°
200
Ave Lumens
0
5
15
25
35
45
55
65
75
85
90
285
285
274
252
221
181
140
96
54
15
0
27
77
116
138
140
125
95
57
17
Zone Lumens % Lamp
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 120°
90° - 130°
90° - 150°
90° - 180°
0° - 180°
220.5
358.1
622.6
791.6
0.0
0.0
0.0
0.0
791.6
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
9.4
5.1
3.2
2.2
1.6
6.8
9.3
11.7
14.2
16.7
4.7
2.5
1.6
1.1
0.8
15.3
20.8
26.4
31.9
37.5
0.9
0.5
0.3
0.2
0.2
Spacing to Mounting Height:1.2
WF4 LED 30K40K50K, 5000 K LEDs, input watts: 10, delivered lumens: 791, LM/W=79, test no. ISF 36826P6
WF4 LED 30K40K50K
Color Temperature 3000K 4000K 5000K
Lumens 750 810 790
CRI 90 90 90
Rated wattage 10.6 10.6 10.1
Lu/Watts 70.8 76.4 78.2
Min. starting temp -40°C (-40°F) -40°C (-40°F) -40°C (-40°F)
EMI/RFI FCC Title 47 CFR, Part 15, Class B FCC Title 47 CFR, Part 15, Class B FCC Title 47 CFR, Part 15, Class B
Sound rating Class A Standards Class A Standards Class A Standards
Input voltage 120V 120V 120V
Min. power factor 0.97 0.97 0.97
Input frequency 50/60 Hz 50/60 Hz 50/60 Hz
Input power 120V 120V 120V
Input current 0.09A 0.09A 0.09A