Tandem
Blank
= 4' Length
8T
=8' Length
Series
VT3
=Vaportite
Number of Lamps
3
1, 2
or
3
Lamps
(Not included)
Wattage (Length)
32
=32W T8 (48
"
)
28T5
=28W T
5
(48
"
)
54T5
=
5
4W T
5
HO (48
"
)
5
Lens
DR
=Internal Prismatic Lens/1
5
% DR High Impact Additive (Standard)
DR-50
=
5
0% High Impact Additive (High Impact)
DR-100
=100% High Impact Additive (Extreme)
Voltage
1
120V
=120 Volt
277V
=277 Volt
347V
=347 Volt
UNV
=Universal Voltage
120/277
2
UNC
=Universal Voltage
347/480
WL
=Wet Label
GL
=Single Element Fuse
GM
=Double Element Fuse
EL
=Emergency Installed
Options
8L
=8 Latches (IP67 Rating)
M4
=Miro 4 Interior Reflector
RIF1
=Radio Interference Suppressor
TH
=(2) Top Watertite Hubs only, no
End Hubs
TEH
=(2) Top & (2) End Watertite Hubs
(all Watertite Hubs have 1/2
"
Conduit
Entry)
SSL
=Stainless Steel Latches
Packaging
U
=Unit Pack
Ballast Type
1
EB8
=T8 Electronic Instant Start.
Total Harmonic Distortion < 10%
EB8 /PLUS
=
T8 Electronic Instant Start.
High Ballast Factor >1.13.
Total Harmonic Distortion < 20%
ER8
=T8 Electronic Program Rapid Start.
Total Harmonic Distortion < 10%
EBT
= T
5
Linear Electronic Program Rapid Start.
4
Total Harmonic Distortion < 10%
EHT
= T
5
Linear Electronic Start High Ambient.
5
Total Harmonic Distortion < 10%
No. of Ballast
1 or 2
No. of Ballast
1 or 2
No. of Ballast
1 or 2
NOTES
:
1
Products also available in non-US voltages and frequencies for international markets.
2
Not available when specifying emergencies, voltage must be specific.
3
3-lamp only available for 32W T8 lamps.
4
EBT ballast option applies to 28W T
5
only.
5
5
4W T
5
HO must use EHT ballast option. 8 ft.
5
4W T
5
HO must use (2) EHT ballasts.
For complete product data, reference the Fluorescent Specification binder. Specifications & dimensions subject to change without notice. Consult your Cooper Lighting Representative for availability and ordering information.
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
Effective 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
RCR
0
1
2
3
4
5
6
7
8
9
10
Z o n a l L u m e n S u m m a r y
Zone
Lumens
%Lamp
%Fixture
0-30
0-40
0-60
0-90
0-180
C a n d e l a
Angle
Along II
45°
Across
⊥
⊥
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
VT3-232DR-UNV-
EB81-WL-U
(1) Electronic Ballasts
(2) 32W T8 lamps
28
5
0 lumens
Spacing criterion:
(II) 1.3 x mounting
height, (
⊥
) 1.
5
x
mounting height
Efficiency 77.4%
Test Report:
LTL10864.IES
LER =72
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.34
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
Effective 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
RCR
0
1
2
3
4
5
6
7
8
9
10
C a n d e l a
Angle
Along II
45°
Across
⊥
⊥
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
VT3-254DR-UNV-
EHT1-WL-U
(1) Electronic Ballasts
(2)
5
4W T
5
lamps
4400 lumens
Spacing criterion:
(II) 1.2 x mounting
height, (
⊥
) 1.
5
x
mounting height
Efficiency 69.7%
Test Report:
LTL10777.IES
LER =
5
9
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $4.0
5
1
5
46 1
5
46 1
5
46
1
5
40 1
5
2
5
1
5
33
1
5
19 1
5
48 1
5
2
5
1483 1
5
14 1
5
46
1436 1
5
09 1
5
66
137
5
1487 1
5
30
1300
1446 1
5
09
121
5
1396 1
5
02
1118 131
5
142
5
1012
1267 1384
896 1174 1308
770 1081 1179
634 9
5
4 1107
496 827
1101
3
5
2 771 1044
219 704 936
113
5
78 807
47 432 614
13 28
5
431
1103 1103 1103
1097
1108
1107
1083
1107
1106
10
5
9 1091 1127
102
5
1089
1113
983 10
5
8 1098
932 103
5
1088
870 991 10
5
2
801 9
5
2 1024
72
5
892 971
640 831 920
5
48 7
5
3 878
4
5
1 683 814
3
5
2 611 771
2
5
1
55
0 698
1
55
471
5
92
77 367
5
13
28 290 427
6 217 342
82 82 82 82
80 80 80 80
76 76 76
72 72 72
69 69 69
67
74 70 66 63
72 68 6
5
62
6
5
62
5
9 61
5
9
5
7
5
8
5
7
55
5
3
66 60
55
5
0 64
5
8
5
4 49
55
5
1 48
5
3 49 46
5
0 47 4
5
43
60
5
2 46 41
5
8
5
1 4
5
41
49 44 40
46 42 39
44 41 38
36
55
46 40 3
5
5
3 4
5
39 34
43 38 33
41 36 33
39 3
5
32
30
5
0 40 34 29
48 40 33 29
38 32 28
36 31 27
34 30 27
2
5
46 36 29 2
5
44
3
5
29 24
34 28 24
32 27 24
31 26 23
22
42 32 26 21
41 32 2
5
21
30 2
5
21
29 24 20
28 23 20
18
39 29 23 18
38 28 22 18
27 22 18
26 21 17
2
5
20 17
16
36 26 20 16
3
5
2
5
19 1
5
24
19
1
5
23
18
1
5
22
18
1
5
13
33 23 18 14
32 23 17 14
22 17 13
21 17 13
20 16 13
12
91 91 91 91
89 89 89 89
84 84 84
79 79 79
7
5
7
5
7
5
73
82 78 74 70
79 7
5
72 69
71 68 66
67 6
5
63
64 62 60
5
8
74 67 61
5
6 71
6
5
60
55
61
5
7
5
3
5
8
5
4
5
1
55
5
2 49
47
67
5
8
5
2 46
6
5
5
7
5
1 46
5
4 49 44
5
1 47 43
49 4
5
42
40
61
5
1 44 39
5
9
5
0 43 38
48 42 37
4
5
40 36
43 39 3
5
33
5
6 4
5
38 32
5
4 44 37 32
42 36 31
40 34 30
38 33 30
28
5
1 40 33 28
49 39 32 27
37 31 27
36 30 26
34 29 26
24
47 36 29 24
4
5
3
5
28 23
33 27 23
32 27 23
30 26 22
20
43 32 2
5
20
42 31 2
5
20
30 24 20
29 23 19
27 23 19
17
40 29 22 17
38 28 22 17
27 21 17
26 20 17
2
5
20 16
1
5
37 26 20 1
5
36
26 19
1
5
24
19
1
5
23
18
1
5
22
18
14 13
899
1
5
.8
20.4
1
5
12
26.
5
34.3
2847
49.9
64.
5
4169
73.1
94.
5
4413
77.4
100.0
L u m i n a n c e D a t a
Average
Average
Average
Angle
0-Deg
45-Deg
90-Deg
in Deg
cd/sm
cd/sm
cd/sm
45
55
19
7213
7212
55
5
083
67
5
6
7098
65
4347
6377
7074
75
3001
6097
6
5
10
85
1349
5
1
5
1
6092
VT3
No. of Ballast
1 or 2
Photometrics
Ordering Information
S A M P L E N U M B E R : V T 3 - 2 3 2 D R - U N V- E B 8 1 - W L- U
Z o n a l L u m e n S u m m a r y
Zone
Lumens
%Lamp
%Fixture
0-30
0-40
0-60
0-90
0-180
12
5
3
14.2
20.4
2112
24.0
34.4
398
5
4
5
.3
64.9
5
908
67.1
96.3
6137
69.7
100.0
L u m i n a n c e D a t a
Average
Average
Average
Angle
0-Deg
45-Deg
90-Deg
in Deg
cd/sm
cd/sm
cd/sm
45
7704
1024
5
10279
55
7142
9700
9
5
31
65
6126
8631
10102
75
4240
9114
10293
85
226
5
7674
8760
No. of Ballast
1 or 2
Accessories
(order separately)
VT2-Chain/Set-U
=Chain Hanging Set
Includes 6 ft. of chain, 4 large
S-Hooks and 4 small S-Hooks
Order One (1) Kit for each
4' Fixture
Two (2) Kits Recommended
For 8' Fixtures.
VT2-SS-MBK
=Stainless
Steel Mounting Bracket
