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Dimensions
T5 Lamp Configurations
Focus Beam, 1 or 2 Lamp
X
3-9/32"
[84mm]
X=2-11/16"
4-5/16"
[69mm]
[110mm]
Task Beam, 1 Lamp
X
1"
5-7/8"
[26mm]
[150mm]
X=2-11/16"
7-7/32" [184mm]
[69mm]
Normal Beam, 1 or 2 Lamp
X
3-9/32"
[84mm]
X=2-11/16"
4-5/16"
[69mm]
[110mm]
T8 Lamp Configurations
Focus Beam, 1 Lamp
X
1-1/8"
5-11/16"
[29mm]
[145mm]
X=2-11/16"
9-1/16" [231mm]
[69mm]
Task Beam, 1 or 2 Lamp
X
3-3/8"
[86mm]
X=2-11/16"
7-9/16"
[69mm]
[193mm]
Normal Beam, 1 or 2 Lamp
X
3-11/32"
[85mm]
X=2-11/16"
7-3/32"
[69mm]
[181mm]
Top View
7/8" [23mm] K.O. (3)
4' and 8'
Ceiling Stand-Off
Embossments
2-11/16"
[69mm]
(4') 43-3/4" [1112mm]
(4') 48" [1220mm]
Illuminance Estimator
Choose the spacing and mounting
height to determine the average
footcandle and watts per square
foot values.
1-31/32" [51mm]
1"
[26mm]
Task Beam, 2 Lamp
X
1-31/32" [51mm]
3-9/32"
[84mm]
1-3/16"
[31mm]
X=2-11/16"
4-5/16"
[69mm]
[110mm]
1-31/32" [51mm]
1-7/16"
[37mm]
Focus Beam, 2 Lamp
X
4-3/16"
29/32"
[107mm]
[24mm]
X=2-11/16"
8-5/8"
[69mm]
[220mm]
29/32"
[24mm]
29/32"
[24mm]
1-3/4" x 3-1/4" K.O. (1)
Ground Screw Bump
(8') 91-3/4" [2330mm]
(8') 96" [2438mm]
Micro-Bay
20 ft
Qty
FC
30
31
MB-132-NB
17
31
MB-154-NB
16
31
MB-232-FB
11
32
MB-254-FB
Photometrics
C o e f f i c i e n t s o f U t i l i z a t i o n
rc
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RCR
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3
4
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9
10
MB-132-NB-UNV-EB81
Electronic Ballast
(1) 32W T8 Lamp, 2850 lumens
Spacing criterion: (II) 1.2 x mounting
height, (⊥) 1.2 x mounting height
Efficiency 94.1%
Test Report: 10267
C o e f f i c i e n t s o f U t i l i z a t i o n
rc
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RCR
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2
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4
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5
6
7
8
9
10
MB-132-TB-UNV-EB81
Electronic Ballast
(1) 32W T8 Lamp, 2850 lumens
Spacing criterion: (II) 1.2 x mounting
height, (⊥) 1.0 x mounting height
Efficiency 95.1%
Test Report: 10266
C o e f f i c i e n t s o f U t i l i z a t i o n
rc
rw
RCR
0
1
2
3
| |
4
5
6
7
8
9
10
MB-132-FB-UNV-EBT1
Electronic Ballast
(1) 32W T8 Lamp, 2850 lumens
Spacing criterion: (II) 1.2 x mounting
height, (⊥) 0.5 x mounting height
Efficiency 96.8%
Test Report: 09363
Illuminance Levels (FC) & Watts Per Sq. Ft. (LPD)
Based on 120 ft. x 10 ft. Aisle
25 ft
30 ft
LPD
Qty
FC
LPD
Qty
FC
0.8
38
32
1.01
44
31
1.17
0.84
21
31
1.03
24
35
1.18
0.76
19
30
0.90
23
31
1.09
0.99
13
31
1.17
16
32
1.44
Effective floor cavity reflectance
20%
80%
50%
30%
70 50
30 10
50 30 10
50
30
112 112 112 112
105 105 105
100 100 100
101 97
92 88
90 87
84
87
84
92 84
77 71
78 73
69
75
71
84 73
65 59
69 62
57
66
61
76 65
56 50
61 54
49
59
53
70 58
49 43
55 47
42
53
46
65 52
43 37
49 42
37
48
41
60 47
39 33
45 38
32
44
37
56 43
35 29
41 34
29
40
34
52 40
32 26
38 31
26
37
31
49 37
29 24
35 28
24
34
28
Z o n a l L u m e n S u m m a r y
Zone
Lumens
%Lamp
%Fixture
722
25.3
0-30
1133
39.8
0-40
2012
70.6
0-60
2679
94.0
0-90
2682
94.1
100.0
0-180
Effective floor cavity reflectance
20%
80%
50%
30%
70 50
30 10
50
30
10
50
30
113 113 113 113
106 106 106
101 101 101
102 97
93 89
91
88
85
87
84
93 84
77 71
79
73
69
76
71
84 73
65 59
69
62
57
66
61
77 65
56 49
61
54
48
59
53
70 58
49 42
55
47
42
53
46
65 52
43 37
49
42
36
48
41
60 47
39 33
45
37
32
43
37
56 43
35 29
41
34
29
40
33
53 40
32 26
38
31 26
37
30
49 37
29 24
35
28
24
34
28
Z o n a l L u m e n S u m m a r y
Zone
Lumens
%Lamp
%Fixture
700
24.6
0-30
1104
38.7
0-40
2001
70.2
0-60
2707
95.0
0-90
2711
95.1
100.0
0-180
Effective floor cavity reflectance
20%
80%
50%
30%
70 50
30 10
50
30 10
50
30
115 115 115 115
108 108 108
103 103 103
108 105 102 99
99
97 95
95
94
101 96
91 87
91
87 84
88
85
95 87
81 76
83
78 75
81
77
88 79
73 68
76
71 66
74
69
82 72
65 60
69
64 59
68
63
77 66
59 54
64
58 53
62
57
72 61
64 49
59
53 48
57
52
67 56
49 44
54
48 43
53
47
62 51
44 39
49
43 39
48
58 47
40 36
46
40 35
45
39
Z o n a l L u m e n S u m m a r y
1251
43.9
45.3
0-30
1758
61.7
63.7
0-40
2535
88.9
91.9
0-60
2759
96.8
100.0
0-90
2759
96.8
100.0
0-180
35 ft
40 ft
LPD
Qty
FC
LPD
Qty
FC
LPD
52
31
1.39
58
30
1.55
28
30
1.38
32
30
1.57
26
30
1.24
30
30
1.43
18
31
1.62
20
30
1.80
10
81
67
56
48
41
36
32
29
26
24
26.9
42.3
75.0
99.9
10
82
67
56
48
41
36
32
29
26
23
25.8
40.7
73.8
99.9
10
92
82
73
66
59
53
48
43
43 39
35
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