Dimensions Guide

Specications and dimensions subject to change without notice.
Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX [phone]
2-5/8" [67mm]
15-3/8"
[391mm]
12-3/4"
[324mm]
X
X=8"
[152mm]
(2 Lamp Housing with 8" lamp
spacing also available).
Catalog Number
WS-A-232A (120V or 277V)
LAMP SPACING (8")
(Order Separately)
SCF=Fixed Stem Set (Specify Length)
SCS=Swivel Stem Set (Specify Length)
SCA=Adjustable 48" Stem Set
A1B/Spacer-U=Spacer 1-1/2" to 2-1/2"
from ceiling (Use 2 per fixture)
Lengths Available: 6, 8, 12, 18, 24, 36, 48
(Additional Accessories Available. See Options
and Accessories Section.)
ACCESSORIES
Catalog No. Wt.
WS-217A 8 lbs.
WS-232A 17 lbs.
8TWS-232A 33 lbs.
SHIPPING DATA
WS
SAMPLE NUMBER: WS-232A-120V-EB81-U
Number of Lamps
(2), (3)
2=2 Lamps
(Not Included)
Voltage
(4)
120V=120 Volt
277V=277 Volt
347V=347 Volt
UNV=Universal Voltage
120-277
(5)
Wattage
20=20W T12 (24")
17=17W T8 (24")
32=32W T8 (48")
40=40W T12 (48")
Lens
A=Acrylic Refractor Lens
Ballast Start Type
LTS=Low Trigger Start
(20 Watt only)
(120V only)
HTS=High Tr igger
Start (20 Watt only)
Options
GL=Single Element Fuse
GM=Double Element Fuse
EL=Emergency Installed
(6)
Series
(1)
WS=Specification
Surface Wrap
Tandem
Blank=4' Length
8T=8' Length
Width
Blank=Standard
A=Wide Body for 2 Lamps
NOTES:
(1)
Steel endplates with 7/8" KO standard for continuous row mounting.
(2)
Stem mounting not available on 3-lamp fixtures.
(3)
2 point suspension recom-
mended for 2 and 4-lamp fixtures.
(4)
Products also available in non-US voltages and frequencies for international markets.
(5)
Not available when specifying
emergencies, voltage must be specific.
(6)
Non available for 2' version.
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.
Options
RIF1=Radio Interference
Suppressor
RLS=Rotor-Lock Socket
(T8 Lamps Only)
(See options & accessories)
Packaging
U=Unit Pack
Ballast Type
(4)
Blank=Standard Magnetic T12 Ballast
LE3=T12 Magnetic Energy Saving
EB8
=T8 Electronic Instant Start.
Total Harmonic Distortion < 20%
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%
EB2
=T12 Electronic Rapid Start.
No. of Ballast
1 or 2
No. of
Ballast
1 or 2
No. of Ballast
1 or 2
No. of Ballast
1 or 2
ORDERING INFORMATION
Candela
Angle Along II 45° Across⊥
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
1337 1337 1337
1317 1326 1333
1250 1292 1324
1140 1230 1281
983110
71
149
717769 725
339 423 414
207 264 281
11 3174 285
14 108 278
18 185 346
26 229 331
32 176 260
36 11
01
51
35 91 101
30 60 90
26 48 59
24 30 33
22 22 22
Coefficients of U tilization
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
Ty pical VCP Percentages
Height AlongHeight Across
Room Size (Ft.) 8.5’ 10.0’ 8.5’10.0’
20 x 20
30 x 30
30 x 60
60 x 30
60 x 60
Zonal Lumen Summary
Zone Lumens %Lamp%Fixture
0-30
0-40
0-60
0-90
90-180
0-180
WS-232A
Energy Saving
Ballast
F32T8/35L Lamps
2850 Lumens
Spacing criterion:
(II) 1.3 x mounting
height, (
⊥) 1.4 x
mounting height
Efficiency 80.5%
Test Report:
WS232A.IES
LER = FW-72
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.33
1080 18.9 23.5
1810 31.8 39.4
3031 53.2 66.0
3748 65.781.7
842 14.8 18.3
4589 80.5100.0
68 73 67 73
62 66 58 64
53 56 44 50
63 66 61 66
53 56 46 51
92 92 92 92 88 88 88 88 81 81 81 75 75 75 69 69 69 66
84 81 78 75 81 78 75 72 71 69 67 66 64 62 61 59 58 55
77 71 66 62 74 69 64 60 63 60 57 59 56 53 54 52 50 47
71 63 57 53 68 61 56 51 57 52 49 53 49 46 49 46 43 41
66 57 50 45 63 55 49 44 51 46 42 47 43 40 44 41 38 36
60 50 44 39 57 49 43 38 45 40 36 42 38 34 39 36 33 31
55 45 39 34 53 44 38 33 41 36 32 38 34 30 36 32 29 27
51 41 34 29 49 39 33 29 37 32 28 35 30 26 32 28 25 24
47 37 30 26 45 35 29 25 33 28 24 31 26 23 29 25 22 20
43 33 26 22 42 32 26 22 30 25 21 28 23 20 26 22 19 18
40 30 24 19 39 29 23 19 27 22 18 25 21 18 24 20 17 15
PHOTOMETRICS
ADF020673
2013-01-29 11:07:00