Catalog # Type

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CORELITE
DESCRIPTION
Whether new constructions or retro-fit, the Class E series from Corelite
provides a simple, versatile solution in a sleek architectural package. In
retro-fit applications the E3R is designed to replace the core lighting engine
of dated inefficient luminaires. With identical performance and aesthetics,
the E3R cannot be distinguished from the E3 once installed allowing for
correspondent installations in both new and retro-fit applications. The
hinged door frame design of the Class E3R provides excellent lumen
transmission while providing tool-less and safe maintenance access with
numerous configurations achieving a minimum of 80% luminaire efficiency.
Type
Catalog #
Project
Date
Comments
Prepared by
SPECIFICATION FEATURES
A ... Construction
Low profile housing constructed of
die-formed 22 gauge cold rolled
steel with integral 20 gauge socket
tray.
E ... Finish
Fixture housings are high
reflectance white using
electrostatically applied polyester
powder coat paint.
B ... Reflectors
Precision tooled, high reflectance
sheet metal which allows for easy
access to ballast compartment.
Mounting
Standard flange design works with
most lay-in ceiling types. Integral
pryout tabs secure luminaire to
ceiling grid from above. Fixture
offers tie-in locations for tie-wire
on all corners, consult local code
for appropriate tie-wire
recommendations.
C ... Shielding
Hinged door frame with extruded
acrylic optic. Door frame provides
tool-less access to lamps with
spring loaded latching system.
NOTE: Concealed Ceiling
Class E may be installed into
inaccessible ceilings (sheet rock,
wood panel, etc.). This is achieved
with the Metalux DFW series
drywall frame-in kit, ordered
separately from Metalux. Specify
CC for the Corelite Ceiling Type.
Specify the following part numbers
separately, from Metalux: For 2x2,
order Metalux part # DF-22W
CLASS E3R
Frosted Prismatic
Lens
D ... Electrical
T8 fixtures use UL listed Class P,
265ma T8 instant start universal
voltage electronic ballasts. Power
factor of 95% with less than 10%
THD. Fixtures and electrical
components certified to UL and
CUL standards.
2T8
2'x2' Recessed
3-1/4" Depth
Existing Housings
Ballast location may vary depending on
existing housing design
5.75”
[146mm]
4.5”
[115mm]
3.25”
[83mm]
22.2” [564mm]
24” [610mm]
ORDERING INFORMATION
Sample Number: E3R-WL-2T8-1C-UNV-22-T1-S
Series
E3R=Class E3
Retrofit
Reflector
W=White
Notes: 1
Shielding
L=Linear Prismatic Lens
Lamp Type
T8=T8 Normal Output
Number of Lamps
2=2 Lamps
Number of Circuits
1=1 Circuit
2=2 Circuits
Not all options available. Please consult your Cooper Lighting Representative for
availability.
Wiring 1
B=Battery Pack
C=Standard Circuit
D=Dimming / Step Dimming
E=Emergency
Size
22=2' x 2'
Ceiling Type
T1=1" Grid, Slot-Grid,
9/16" Tegular
Depth
S=Shallow (Standard)
D=Deep
Options 1
SD=Step Dimming
Voltage 1
120=120V
277=277V
347=347V
UNV=Universal (120V-277V)
Specifications and Dimensions subject to change without notice.
Consult your representative for additional options and finishes.
ADE120242
09/26/2012 10:52:18 AM
Corelite
PHOTOMETRICS
Coefficients of Utilization
90-Deg
75-Deg
Candela
Effective floor cavity reflectance
rc
rw
80%
20%
70%
70 50 30 10
70 50 30 10
50%
30%
50 30 10
50 30 10
10%
0%
50 30 10
0
RCR
60-Deg
250
45-Deg
500
750
0-Deg
15-Deg
30-Deg
E3-WL-2T8-2X2
(2) F17T8/SPX41
2074 Lumens
30.6 Watts
Efficiency 80%
Test Report
#P31385
0
1
2
3
4
5
6
7
8
9
10
95
87
79
72
65
60
55
51
48
45
42
95
83
72
63
56
50
45
40
37
34
31
95
79
66
56
49
42
37
33
30
27
25
95
76
62
51
43
37
32
28
25
23
21
93
84
76
70
64
58
54
50
47
44
41
93
81
70
62
55
49
44
40
36
33
31
93
78
65
56
48
42
37
33
30
27
25
93
75
61
51
43
37
32
28
25
23
21
Zonal Lumen Summary
Zone
0-30
0-40
0-60
0-90
Lumens
% Lamp
551.31
909.48
1621.24
2074.37
21.2
35
62.4
79.8
89
77
67
59
53
47
42
39
35
32
30
89
75
63
54
47
41
36
33
29
27
24
89
72
59
50
42
36
32
28
25
23
20
85
74
65
57
51
46
41
37
34
32
29
85
72
61
53
46
40
36
32
29
26
24
85
70
58
49
42
36
32
28
25
22
20
81
71
62
55
49
44
40
36
33
31
29
81
70
59
51
45
39
35
31
28
26
24
81
68
57
48
41
36
31
28
25
22
20
Luminance Data
% Fixture
26.6
43.8
78.2
100
Angle
in Deg
0-Deg
cd/sm
45-Deg
cd/sm
90-Deg
cd/sm
45
55
65
75
85
2061
1895
1688
1457
1180
2352
2266
2094
1868
1574
2648
2625
2499
2345
2046
80
66
55
46
39
34
30
26
23
21
19
Angle
0-Deg
23-Deg
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
700
695
684
665
639
606
569
524
476
425
372
317
262
208
158
110
67
30
0
700
696
686
669
645
616
581
538
492
441
390
334
279
224
170
120
73
32
0
Specifications and Dimensions subject to change without notice.
Corelite • 18001 E. Colfax Ave. • Aurora, CO 80011 • 303.393.1522 • FAX 303.393.1477
45-Deg
68-Deg
90-Deg
700
699
691
678
660
636
607
573
531
485
433
379
318
258
199
141
89
40
0
700
701
696
687
674
657
635
607
571
529
479
421
358
294
230
168
108
50
0
700
701
698
691
680
667
648
621
587
546
497
439
376
308
243
177
117
52
0
ADE120242
09/26/2012 10:52:18 AM
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