Dimensions Guide

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Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800 FAX 770.486.4801 11/11 ADF020675
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
2909 2909 2909
2864 2879 2896
2718 2788 2851
2474 2612 2713
2111 2318 2455
1368 1565 1403
714 800 758
413 488 443
230 296 481
24 152 369
27 249 438
34 279 397
40 214 311
43 135 157
44 107 118
46 83 107
43 59 83
37 41 46
33 33 33
WS-417A 8 lbs.
WS-432A 17 lbs.
8TWS-432A 33 lbs.
SHIPPING INFORMATION
Catalog No. Wt.
Coefficients of Utilization
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
Typical VCP Percentages
Height Along Height 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
PHOTOMETRICS
Zonal Lumen Summary
Zone Lumens %Lamp %Fixture
0-30
0-40
0-60
0-90
90-180
0-180
WS-432A
Energy Saving
Ballast
F32T8/35K Lamps
2850 Lumens
Spacing criterion:
(II) 1.3 x mounting
height, () 1.4 x
mounting height
Efficiency 76.3%
Test Report:
WS432A.IES
LER = FW-70
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.43
2328 20.4 26.8
3875 34.0 44.6
6359 55.8 73.1
7651 67.1 88.0
1046 9.2 12.0
8697 76.3 100.0
60 65 61 66
53 58 52 57
44 47 38 43
55 59 54 59
45 48 39 44
89 89 89 89 86 86 86 86 80 80 80 74 74 74 69 69 69 67
81 78 75 72 79 76 73 70 71 68 67 66 64 63 62 61 59 57
75 69 65 61 72 67 63 59 63 60 57 59 56 54 56 53 51 49
69 62 56 52 67 60 55 51 57 52 49 53 50 47 50 47 45 43
64 55 49 45 61 54 48 44 51 46 42 48 44 41 45 42 39 38
59 50 43 39 56 48 42 38 46 41 37 43 39 36 41 37 34 33
54 45 38 34 52 43 38 33 41 36 32 39 35 31 37 33 30 29
50 40 34 29 48 39 33 29 37 32 28 35 31 27 34 30 27 25
46 36 30 26 44 35 29 25 33 28 25 32 27 24 30 26 23 22
42 32 26 22 41 32 26 22 30 25 21 29 24 21 27 23 20 19
39 29 24 20 38 29 23 19 27 22 19 26 22 18 25 21 18 17
WS
ACCESSORIES
(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.
ORDERING INFORMATION
SAMPLE NUMBER: WS-432A-120V-EB81-U
Number of Lamps
4 lamps
(Not Included)
Voltage
(1)
120V=120 Volt
277V=277 Volt
347V=347 Volt
UNV=Universal Voltage
120-277
(2)
Wattage (Length)
20=20W T12 (24")
17=17W T8 (24")
40=40W T12 (48")
32=32W T8 (48")
Lens
A=Acrylic Refractor/Lens
STarting Type
LTS=Low Trigger Start
(20 Watt only)
(120V only)
HTS=High Trigger
Start (20 Watt only)
Options
GL=Single Element Fuse
GM=Double Element Fuse
EL=Emergency Installed
(6)
WS=Series
Tandem
Blank=4' Length
8T=8' Length
Width
Blank=Standard
(Wide Body)
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)
Stem mounting not available on 3-lamp fixtures.
(4)
2 point suspension recommended for 2 and 4-lamp fixtures.
(5)
Steel endplates with 7/8" KO stan-
dard for continuous row mounting.
(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
(1)
Blank=Standard Magnetic Ballast (20W only)
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%
EB2
=T12 Electronic Rapid Start.
No. of Ballast
1, 2 or 3
No. of
Ballast
1, 2 or 3
No. of Ballast
1, 2 or 3
No. of Ballast
1 or 2