METALUX
®
DESCRIPTION
Type
GC8 is a premium grade specification lensed troffer series. This
innovative, high quality luminaire is dedicated to the latest T8 lamp and
micro electronic ballast technology for optimal performance and energy
efficiency. The GC8 is compatible with all of today’s popular ceiling
systems and is available with a number of options and accessories for
application versatility.
Catalog #
The GC8 Series features efficiency, quality and performance. The series
is an excellent choice for commercial office spaces, schools, hospitals
or retail merchandising areas.
Prepared by
Project
Date
Comments
SPECIFICATION FEATURES
Construction
Electrical
Frame/Shielding
Rigid housing is die formed of
code gauge prime cold rolled
steel and features full length dieformed stiffeners for added
strength. Side flanges are
hemmed. Innovative design
provides superior lens
brightness uniformity and visual
comfort. Micro ballast cover***
reduces ballst shadow for
superior lens brightness
uniformity and is easily removed
without tools. Die formed
captive lampholder brackets
fully enclose lampholder wiring
permitting easy lampholder
replacement. Heavy endplates
are securely attached with
interlocking tabs and screws.
Four auxiliary fixture end
suspension points provided.
KOs for continuous row wiring.
Endplates have integral Gridlock feature for safety and
convenience.
Ballasts are CBM/ETL Class “P”
and are positively secured by
mounting bolts. Roto-lock
lampholders ensure positive
lamp retention. UL/CUL listed.
Suitable for damp locations.**
Die formed, heavy gauge, flat
steel door with reinforced
mitered corners and baked white
enamel finish. Flat and regressed
aluminum doors also available.
Positive light seals. Light
stabilized 100% virgin acrylic
prismatic lens. Standard #12
pattern. Numerous additional
shielding options available.
Finish
Multistage, iron phosphate
pretreatment ensures
maximum bonding and rust
inhibition. Housing and ballast
cover finished with new 90%
reflective white enamel for
superior performance. “PAF”
Painted After Fabrication option
also available.
Hinging/Latching
Positive Cam latch with baked
white enamel finish. Safety-lock
T-hinges allow hinging and
latching either side.
2GC8
328T8
332
Controls
Fifth Light ballast options are
offered for both 0-10V
continuous dimming and DALI
applications. Combine with
energy-saving products like
occupancy sensors, daylighting
controls, and lighting relay
panels from Cooper Controls
(www.coopercontrol.com) to
maximize energy savings.
2' X 4' TROFFER
3 T8 LAMPS
Specification T8 Troffer
New York City Rated
3-3/4"
[95mm]
ENERGY DATA
23-3/4" [603mm]
Input Watts:
maximum overall nominal depth
†
EB Ballast & STD Lamps
328T8 (67)
332 (91)
DOOR FRAMES
MOUNTING DATA
GC8
F lat, White
Steel
1"
[26mm]
23-3/4"
[603mm]
GC8FA
F lat, E xtruded
White Alum inum
GC8RA
D eep, R egressed,
E xtruded Natural Alum inum
Yearly Cost of 1000 lumens,
3000 hrs at .08 KWH = $3.46
2-11/16"
[69mm]
1-1/2"
[38mm]
3-7/8" [98mm]
5-3/4" [146mm]
LAMP CONFIGURATIONS
1-1/2"
[38mm]
*Reference the lamp/ballast data in the
Technical Section for specific lamp/ballast
requirements.
3-3/4" [95mm]
47-15/16" [1218mm]
Luminaire Efficacy Rating
LER = FL-69
Catalog Number: 2GC8-332A
X=5-3/8"
[137mm]
**Consult Pre Sales Technical Support.
X
X
***Full sized ballast cover for biaxial lamps
and emergency option.
23-3/4" [603mm]
CEILING COMPATIBILITY
G
Grid/Lay-in
Standard
G
Concealed T
G
Slot Grid
F
Flange Trim
With Supporting
Swing Gates
Ceiling
Type
Trim
Type
Exposed Grid
Concealed T
Slot Grid
Flange
G
G
G
F
(Verify compatibility/ consult
factory.)
COOPER LIGHTING
LAMPS CONTAIN MERCURY. DISPOSE ACCORDING TO
LOCAL, STATE OR FEDERAL LAWS
Safe and convenient means of
disconnecting power.
ADF111078
NY2GC8
PHOTOMETRICS
2GC8-332A
Electronic Ballast
(3) F32T8 lamps
2750 lumens per
Lamp
Spacing criterion:
(II) 1.3 x mounting
height, (⊥) 1.4 x
mounting height
Efficiency 86.2%
Test Report:
233P137
LER = FL-69
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.46
Angle
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Along II
2742
2726
2695
2637
2556
2446
2301
2123
1900
1629
1339
1079
840
631
464
338
250
142
23
45°
2742
2734
2711
2670
2606
2512
2386
2221
2004
1747
1484
1202
884
587
369
261
212
131
31
Across
2742
2743
2729
2701
2649
2566
2461
2327
2153
1916
1623
1293
968
693
507
397
305
183
43
Coefficients of Utilization
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
103
90
80
70
63
56
51
46
42
39
36
103 103
87 84
74 69
64 58
56 50
49 43
44 38
39 34
35 30
32 27
29 25
100
92
84
77
71
65
60
56
52
49
46
100
88
78
69
62
55
50
46
42
38
35
100
85
73
63
55
48
43
39
35
32
29
100
82
68
58
50
43
38
34
30
27
25
20%
50%
50 30 10
30%
50 30 10
50
96
85
75
67
60
54
49
44
41
37
35
92
81
72
64
58
52
47
43
40
37
34
88
78
69
62
56
50
46
42
39
36
33
96
82
71
61
54
47
42
38
34
31
29
96
80
67
57
49
43
38
33
30
27
25
92
79
68
60
52
47
42
37
34
31
28
Zonal Lumen Summary
Luminance Data
Zone
0-30
0-40
0-60
0-90
0-180
Angle
in Deg
45
55
65
75
85
Lumens
2169
3555
5967
7103
7108
%Lamp
26.3
43.1
72.3
86.1
86.1
Candela
Angle
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Along II
2428
2412
2383
2333
2260
2165
2046
1903
1721
1466
1135
801
533
385
317
265
179
95
0
45°
2428
2423
2407
2376
2331
2271
2192
2083
1919
1563
1040
747
572
379
285
270
182
96
0
Across 0
2428
2435
2431
2416
2392
2355
2303
2226
2054
1703
1245
835
540
388
319
260
181
108
0
Coefficients of Utilization
Effective floor cavity reflectance
80%
70%
70 50 30 10
70 50 30 10
103
94
86
79
73
67
62
58
54
50
47
2GC8-332A187
Electronic Ballast
(3) FO32/35K lamps
2750 lumens per
Lamp
Spacing criterion:
(II) 1.3 x mounting
height, (⊥) 1.4 x
mounting height
Efficiency 70.6%
Test Report:
107P148
LER = FL-57
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.46
Candela
%Fixture
30.5
50.0
83.9
99.9
100.0
Average
0-Deg
cd/sm
3627
2962
2351
2056
2565
92
77
65
56
48
42
37
33
30
27
25
10%
30 10
Average
45-Deg
cd/sm
3890
3299
2187
1588
2366
88
77
67
58
51
46
41
37
33
31
28
88
75
64
55
48
42
37
33
30
27
24
0%
0
86
73
62
53
46
40
35
31
28
25
23
Average
90-Deg
cd/sm
4266
3549
2582
2415
3306
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
Effective floor cavity reflectance
80%
70%
70 50 30 10
70 50 30 10
84
78
71
66
61
56
52
48
45
42
40
84
75
66
59
53
48
43
39
36
33
31
84
72
62
54
47
42
37
34
30
28
25
84
69
58
49
43
37
33
29
26
24
22
82
76
70
64
59
55
51
47
44
41
39
82
73
65
58
52
47
43
39
36
33
30
82
70
61
53
47
41
37
33
30
27
25
82
68
57
49
42
37
33
29
26
24
22
20%
50%
50 30 10
30%
50 30 10
50
78
70
62
56
50
45
41
38
35
32
30
75
67
60
54
49
44
40
37
34
31
29
72
65
58
52
47
43
39
36
33
31
28
78
68
59
52
46
41
36
33
30
27
25
78
66
56
48
42
37
33
29
26
24
22
75
66
57
50
45
40
36
32
29
27
25
Zonal Lumen Summary
Luminance Data
Zone
0-30
0-40
0-60
0-90
0-180
Angle
in Deg
45
55
65
75
85
Lumens
1947
3239
5145
5928
5928
%Lamp
23.2
38.6
61.2
70.6
70.6
%Fixture
32.8
54.6
86.8
100.0
100.0
Average
0-Deg
cd/sm
3269
2202
1436
1614
1719
75
64
55
47
41
36
32
29
26
24
21
10%
30 10
Average
45-Deg
cd/sm
3485
2054
1414
1645
1737
72
63
56
49
44
39
35
32
29
26
24
72
62
54
47
41
36
32
29
26
23
21
0%
0
71
61
52
45
39
35
31
27
25
22
20
Average
90-Deg
cd/sm
3798
2296
1448
1584
1954
Visit our web site at www.cooperlighting.com
Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800
FAX 770.486.4801
2/24/16
ADF111078
NY2GC8
ORDERING INFORMATION
SAMPLE NUMBER: NY2GC8-332A-120V-EB81-U
Rating
NY=New York
City Rated
(20 Gauge
Riveted End
Plates)
Width
2=2' Width
Trim Type
G=Grid/Lay-in (Standard) (1)
G=Concealed T
G=Slot Grid
F=Flange Trim
Series
C8=Specification T8 Troffer
Door Frame
Standard=Flat White Steel Door
(Leave Blank)
FA=Flush White Extruded
Aluminum c/w Spring Latch
RA=Regressed White Extruded
Aluminum
FAN=Flush Natural Anodized
Extruded Aluminum
RAN=Regressed Natural
Anodized Extruded Aluminum
FAB=Flush Black Extruded
Aluminum
RAB=Regressed Black Extruded
Aluminum
(1)
Number of
Lamps (5)
3 Lamps
(Not included)
Wattage (Length)
28T8=28W T8 (48")
32=32W T8 (48")
A=#12 Pattern Acrylic
A125=#12 Pattern Acrylic
(.125" Thick)
A19/156=#19 Pattern Acrylic
(.156" Thick)
IMA 48=Injection Molded
Acrylic (.150" Thick)
PB1S=Silver Parabolic Louver
(1/2" x 1/2" x 1/2")
DA=Dropped Dish - Matte
White Acrylic
Voltage (2)
120V=120 Volt
277V=277 Volt
347V=347 Volt
UNV=Universal Voltage 120-277 (3)
Options
GL=Single Element Fuse
GM=Double Element Fuse
Lamps=Lamps Installed
Flex=Flex Installed
EL=Emergency Installed
(2)
NOTES: An EQ Grid Clip is recommended for all 9/16" ceiling systems. Products also available in non-US
(3)
voltages and frequencies for international markets. Not available when specifying emergencies, voltage must
(4)
be specific. For a complete listing of Fifthlight Technology products and other solutions from Cooper Controls, visit
(5)
www.coopercontrol.com Standard off-center ballast compartment on 3-lamp fixtures.
Specifications & dimensions subject to change without notice. Consult your Cooper Lighting Representative for
availability and ordering information.
Ballast Type
EB8 =T8 Electronic Start.
Total Harmonic Distortion < 10%
EB8 /PLUS= T8 Electronic Start.
Total Harmonic Distortion < 10%.
High Ballast Factor > 1.15.
ER8 = T8 Electronic Program Rapid Start.
Total Harmonic Distortion < 10%
High Performance T8 Ballasts
HB8 =T8 Electronic Instant Start.
Total Harmonic Distortion < 10%.
Standard Ballast Factor .86 – .88
HB8 L=T8 Electronic Instant Start.
Total Harmonic Distortion < 10%.
Low Ballast Factor .77 – .82
HB8 N=T8 Electronic Instant Start.
Total Harmonic Distortion < 10%.
Normal Ballast Factor 1.0
HB8 H=T8 Electronic Instant Start.
Total Harmonic Distortion < 10%.
High Ballast Factor 1.15 – 1.20
HR8 T8 Electronic Program Rapid Start.
Total Harmonic Distortion < 10%.
Standard Ballast Factor .86 – .88
HR8 DIM=T8 Electronic Program Rapid Start.
Total Harmonic Distortion < 10%.
Step Dimming. Ballast Factor .88
HR8 L=T8 Electronic Program Rapid Start.
Total Harmonic Distortion < 10%.
Low Ballast Factor .71 – .79
HR8 H=T8 Electronic Program Rapid Start.
Total Harmonic Distortion < 10%.
High Ballast Factor 1.15 – 1.20
Options
PAF=Painted After
Fabrication
MEP=Modified End Plate/
For End Filler Applications
(See options & accessories)
Packaging
U=Unit Pack
PAL=Job Pack, out of carton
PALC=Job Pack, in carton
ACCESSORIES
EQ-CLIP-U=T-BAR Safety Earthquake
Clips(1)
Fifth Light DALI Ballasts (4)
5LT8 =T8 DALI Program Rapid Start.
Total Harmonic Distortion < 10%.
Ballast Factor 1.0
Number of Ballasts
1=1 Ballast
2=2 Ballasts
3=3 Ballasts
SHIPPING INFORMATION
Catalog No.
Wt.
NY2GC8-328T8A
NY2GC8-332A
31 lbs.
31 lbs.
Visit our web site at www.cooperlighting.com
Customer First Center 1121 Highway 74 South Peachtree City, GA 30269 770.486.4800
FAX 770.486.4801
2/24/16
ADF111078