Metalux
D ES C R IPTION
The GC Series features a 4-3/4" deep para-contoured fixture housing,
high reflectivity and optimum lamp to lens spacing. The series produces
total uniformity of light in the luminous area and is compatible with all of
today’s popular ceiling systems and is available with a number of options
and accessories for application versatility.
The specification luminaire is designed to offer maximum efficiency and
performance for today’s unique interior specifications. The GC Series is
an excellent choice for commercial office spaces, schools, hospitals or
retail merchandising areas.
Type
Catalog #
Project
Date
Comments
Prepared by
SPE C IFIC A TION FEA T U R E S
C on s t r u c t i o n
E le ctrica l*
Frame/Shielding
4-3/4" deep, para-contoured
housing, die formed, prime
cold rolled steel. Die embossed
housing has full length die formed
stiffeners for added strength.
Deep “V” ballast/wireway cover
easily removed without tools.
Die formed captive lampholder
bracket fully encloses 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
Grid-Lock feature for safety and
convenience.
Ballasts are CBM/ETL Class “P” and
are positively secured by mounting
bolts. Pressure lock lampholders.
UL/CUL listed. Suitable for damp
locations.**
Die formed, heavy gauge, flat
steel door with reinforced mitered
corners and baked white enamel
finish. Positive light seals. Light
stabilized 100% virgin acrylic
prismatic shielding. Standard
#12 pattern. Optional shielding
available.
F in ish
Multistage, iron phosphate
pretreatment ensures maximum
bonding and rust inhibitor. Lighting
grade, baked white enamel finish.
Hin g in g /L a tch ing
Positive Cam latch with baked
enamel finish. Safety-lock T-hinges
allow hinging and latching either
side.
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.
4-3/4"
[121mm]
2GC
217
2U1-5/8
2U6T8
317
3U1-5/8
417
2' X 2' TROFFER
2, 3 OR 4 LAMPS
Specification Deep Troffer
23-3/4"
[603mm]
MO UNTING D A TA
L AM P C O N F I G U R AT IONS
See page 2
See page 2
ENERGY DATA
D OOR F RA ME S
GC
F lat, White
Steel
GCFA
F lat, E xtruded
White Alum inum
GCRA
D eep, R egressed,
E xtruded White Alum inum
C EILING C OM PA TIB IL I T Y
G
Grid/Lay-in
Standard
G
Concealed T
G
Slot Grid
F
Aluminum Flange Trim
With Supporting
Swing Gates
MZ
Modular Trim
With Supporting
Swing Gates
Ceiling
Type
Trim
Type
Exposed Grid
Concealed T
Slot Grid
Flange
Concealed “T” or ”Z“
Metal Pan
G
G
G
F
MZ
MZ
(Verify compatibility/ consult
Pre Sales Technical Support.)
Input Watts:
EB Ballast & STD Lamps
217 (36), 2U1-5/8 (61), 2U6T8 (61),
317 (56), 3U1-5/8 (88), 417 (63)
Luminaire Efficacy Rating
LER = FL-57
Catalog Number: 2GC-2U6T8
Yearly Cost of 1000 lumens,
3000 hrs at .08 KWH =$4.21
Luminaire Efficacy Rating
LER = FL-63
Catalog Number: 2GC-2U1-5/8
Yearly Cost of 1000 lumens,
3000 hrs at .08 KWH = $3.81
*Reference the lamp/ballast data in the Technical
Section for specific lamp/ballast requirements.
**Consult Pre Sales Technical Support.
LAMPS CONTAIN MERCURY. DISPOSE ACCORDING
TO LOCAL, STATE OR FEDERAL LAWS
Safe and convenient means of
disconnecting power.
ADF090605
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2 GC 2 ' X 2 ' T 8
PHOTOM ETR IC S
2GC-2U6T8A
Electronic Ballast
FB31T8/TL41/6
Lamps
2600 Lumens
Spacing criterion:
(II) 1.2 x mounting
height, (⊥) 1.3 x
mounting height
Efficiency 68.1%
Test Report:
2GC2U6T8A.IES
LER = FL-57
Yearly Cost of 1000
lumens, 3000 hrs
at .08 KWH = $4.21
Along II
1464
1465
1446
1410
1358
1290
1204
1096
966
816
651
501
383
287
212
160
120
65
0
Angle
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
45°
1464
1458
1446
1420
1380
1323
1240
1134
1010
863
711
550
382
253
169
133
113
64
0
Across ⊥
1464
1462
1456
1441
1409
1355
1270
1172
1072
953
797
599
420
304
237
192
145
78
0
C o e f fi c i e n t s o f U t i l i z a t i o n
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
81
72
64
58
52
46
42
38
34
31
28
81
70
60
53
47
41
36
32
29
25
23
81
67
57
49
43
37
32
28
25
21
19
79
73
68
63
58
53
49
45
42
39
36
79
71
63
57
51
46
41
37
34
30
28
79
68
60
52
46
40
36
32
28
25
22
79
66
56
49
42
37
32
28
25
21
19
Zonal Lumen Summary
Zone
0-30
0-40
0-60
0-90
0-180
Lumens
1150
1859
3020
3541
3541
%Lamp
22.1
35.8
58.1
68.1
68.1
20%
50%
50 30 10
30%
50 30 10
50
76
68
61
55
49
44
40
36
33
29
27
72
65
59
53
48
43
39
35
32
29
26
69
63
57
51
46
42
38
34
31
28
26
76
66
58
51
45
40
35
32
28
25
22
76
64
55
48
42
36
32
28
25
21
19
72
64
56
50
44
39
35
31
28
24
22
72
62
54
47
41
36
32
28
24
21
19
10%
30 10
69
62
55
49
43
38
34
31
27
24
22
69
60
53
46
41
35
31
28
24
21
19
0%
0
rc
rw
RCR
0
1
2
3
4
5
6
7
8
9
10
68
59
51
45
39
34
30
26
23
20
18
Typical VCP Percentages
%Fixture
32.5
52.5
85.3
100.0
100.0
Room Size (Ft.)
20 x 20
30 x 30
30 x 60
60 x 30
60 x 60
Height Along
8.5’
10.0’
64
69
57
61
48
51
58
63
48
51
Height Across
8.5’
10.0’
61
66
54
58
43
47
56
61
44
48
MOUNTING D A TA
2 LAMP
7/8" [22mm]
K.O. (2)
Angle
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Along II
1563
1553
1528
1494
1440
1368
1275
1160
1016
852
681
528
407
307
230
173
129
67
0
45°
1563
1560
1549
1525
1491
1438
1363
1265
1135
970
790
597
412
271
185
148
126
69
0
Across ⊥
1563
1565
1560
1554
1535
1497
1434
1348
1225
1057
847
636
449
329
258
212
160
80
0
Effective floor cavity reflectance
80%
70%
70 50 30 10
70 50 30 10
84
78
72
66
61
56
52
48
45
41
38
84
75
67
60
54
48
43
39
35
32
29
84
72
63
55
48
42
38
34
30
26
23
84
70
59
51
44
38
34
30
26
22
20
82
76
70
65
60
55
51
47
43
40
37
82
73
65
59
53
47
43
39
35
31
29
82
71
62
54
48
42
37
33
29
26
23
20%
50%
50 30 10
30%
50 30 10
50
78
70
63
57
51
46
42
38
34
31
28
75
68
61
55
50
45
40
37
33
30
27
72
65
59
53
48
43
39
36
32
29
27
82
69
58
50
44
38
33
29
26
22
20
78
68
60
53
47
41
37
33
29
26
23
78
67
57
50
43
37
33
29
25
22
20
75
66
58
52
46
40
36
32
29
25
23
75
65
56
49
43
37
33
29
25
22
19
10%
30 10
Zonal Lumen Summary
Typical VCP Percentages
Zone
0-30
0-40
0-60
0-90
0-180
Room Size (Ft.)
20 x 20
30 x 30
30 x 60
60 x 30
60 x 60
Lumens
1239
2022
3278
3843
3843
%Lamp
22.8
37.1
60.2
70.5
70.5
%Fixture
32.3
52.6
85.3
100.0
100.0
Height Along
8.5’
10.0’
62
67
54
59
45
48
55
60
45
48
72
64
57
50
45
40
35
32
28
25
22
72
63
55
48
42
37
32
29
25
22
19
0%
0
71
61
53
46
41
35
31
27
24
21
18
Height Across
8.5’
10.0’
58
63
50
55
40
44
53
58
42
45
L A MP CONF IGURA T IONS
Access Plate
7/8" [22mm] K.O. (2)
3 LAMP
7/8" [22mm]
K.O. (4)
Access Plate
7/8" [22mm] (2)
217
2U1-5/8
4-3/4"
[121mm]
4-3/4"
[121mm]
10-3/16"
[259mm]
23-3/4" [603mm]
23-3/4"
[603mm]
23-3/4"
[603mm]
317
3-5/8" [93mm]
6-7/8" [176mm]
24" [608mm]
1-3/4" [45mm]
24" [608mm]
6-7/8" [176mm]
417
Eaton
1121 Highway 74 South
Peachtree City, GA 30269
P: 770-486-4800
www.eaton.com/lighting
Specifications and
dimensions subject to
change without notice.
8-7/8"
X
[225mm]
X=1-5/8"
[41mm]
X
X
X
5-3/8"
5-3/8"
[137mm] [137mm]
23-3/4" [603mm]
2U6T8
4-3/4"
[121mm]
X=4-3/4"
[121mm]
X
23-3/4" [603mm]
4-3/4"
[121mm]
7"
7"
[178mm] [178mm]
23-3/4" [603mm]
3-5/8" [93mm]
X=1-5/8"
[41mm]
3U1-5/8
4-3/4"
[121mm]
1-3/4" [45mm]
Candela
C o e f fi c i e n t s o f U t i l i z a t i o n
Effective floor cavity reflectance
80%
70%
70 50 30 10
70 50 30 10
81
75
69
64
59
54
50
47
43
40
37
2GC-2U1-5/8A
Electronic Ballast
FBO31/35K Lamps
2725 Lumens
Spacing criterion:
(II) 1.2 x mounting
height, (⊥) 1.3 x
mounting height
Efficiency 70.5%
Test Report:
2GC2U158A.IES
LER = FL-63
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $3.81
Candela
4-3/4"
[121mm]
X
X
5-3/4"
[146mm]
23-3/4" [603mm]
X=6"
[152mm]
4-5/8"
X
[117mm]
23-3/4" [603mm]
X
ADF090605
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2 GC 2 ' X 2 ' T 8
OR D ER ING INFOR M A TION
SAMPLE NUMBER: 2GC-2U6T8A-UNV-EB81-U
Rating
Blank=
Standard
NY=New York
City Rated
ATW-SW4=
Chicago
Rated
Number of
Lamps(6)
2, 3 or 4 lamps
Width
2=2' Width
Shielding
A=#12 Acrylic Pattern
A125=#12 Pattern Acrylic
(.125" Thickness)
A19/156=#19 Pattern Acrylic
(.156" Thickness)
DA=Dropped Dish Matte White Acrylic
IMA48=Injection Molded Acrylic (.150"
Thickness)
PB1S=1/2" x 1/2" x 1/2" Silver Parabolic
Louver (Styrene)
Wattage
U6T8=32W T8 (24") (9)
17=17W T8 (24")
U15/8=31W T8 (24")(8)
Trim Type
G=Grid/Lay-in (Standard)(1)
G=Concealed T
G=Slot Grid
F=Aluminum Flange Trim (5)
MZ=Modular Trim
EMZ=Modular Trim
(Extended Swing Arm)
Series
C=Specification Deep Troffer
Door Frame
Standard=Flat White Steel Door
(Leave Blank)
FA=Flush White Extruded
Aluminum c/w Spring Latch
RA=Regressed White Extruded
Aluminum (3/8")
FAN=Flush Natural Anodized
Extruded Aluminum
RAN=Regressed Natural Anodized
Extruded Aluminum (3/8")
FAB=Flush Black Extruded
Aluminum
RAB=Regressed Black Extruded
Aluminum (3/8")
Option – Aluminum Flange Trim (5)
Blank=SW (Single White)
Type
Color
‘S’ Single
‘N’ Natural
‘R’ In Row
‘W’ White
‘E’ End of Row
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 (refer to lamp ordering options)
Flex=Flex Installed (Reference Flex ordering information)
EL=Emergency Installed (4)
(1)
(2)
NOTES: An EQ Grid Clip is recommended for all 9/16" ceiling systems. Four required per fixture. Products also avail(3)
able in non-US voltages and frequencies for international markets. Not available when specifying emergencies, voltage
(4)
must be specific. Fixtures equipped with “EL” option may require a 5-1/2" housing depth. If installing in field, must use
(5)
(6)
low profile battery pack. Specify row configuration, type in catalog number when ordering complete fixture. Standard
(7)
off-center ballast compartment on 3-lamp fixtures. For a complete listing of Fifthlight Technology products and other solu(8)
(9)
tions from Cooper Controls, visit www.coopercontrol.com Fifthlight ballast option not available. Ballast Factor is 0.88 for 4
(10)
lamp 32W T8 fixtures.
0-10V ballast do not include DALI feature. Please select DALI ballast for use with Fifth Light system.
(11)
Specification grade 0-10V dimming ballast are NEMA premium and CEE listed. They are compatible with low mercury and
(12)
(13)
energy saving lamps.
Specification Grade 0-10V ballast not offered in 3 or 4-lamp versions.
Standard 0-10V ballast not
offered in 3 or 4-lamp versions
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.
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
RLS=Rotor Lock Socket
(T8 Lamp only)
20GA/REP=20 Gauge
Housing w/Riveted End
Plate
PAF=Painted After
Fabrication
Packaging
U=Unit Pack
PAL=Palletized
Uncartoned Fixtures
PALC=Palletized Fixtures
in Carton
ACCESSORIES
EQ-CLIP-U=T-BAR Safety
Earthquake Clips(1)
0-10V Dimming Ballasts (10)
5LTV8 =T8 0-10V Program Rapid Start.
Total Harmonic Distortion <
10%. Ballast Factor 0.87 (13)
5LTVS8 =T8 0-10V Spec Grade Program
Rapid Start. Total Harmonic
Distortion < 10%.
Ballast Factor 0.87 (11), (12)
Fifth Light DALI Ballasts (7)
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
SH IP P ING D ATA
Catalog No.
2GC-217A
2GC-317A
2GC-417A
2GC-2U6T8A
2GC-2U1-5/8A
2GC-3U1-5/8A
Eaton
1121 Highway 74 South
Peachtree City, GA 30269
P: 770-486-4800
www.eaton.com/lighting
Specifications and
dimensions subject to
change without notice.
Wt.
19 lbs.
19 lbs.
21 lbs.
18 lbs.
18 lbs.
18 lbs.
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