COOPER LIGHTING - METALUX
®
D e s c r iption
GR LED is a lensed troffer series. This high quality luminaire is dedicated
to the latest solid state lighting and electronic driver technology for
optimal performance and energy efficiency. The GR LED is compatible
with all of today’s popular ceiling systems and is available with a number
of options and accessories for application versatility.
The GR LED series features efficiency, quality and performance. The
series is an excellent choice for commercial office spaces, schools,
hospitals or retail merchandising areas.
Spe c ific a tion F eat u r e s
Co n s t r u c t i o n
Ele ctrica l
Frame/Shielding
Rigid housing is die formed of
code gauge prime cold rolled steel
and features full length die-formed
stiffeners and unibody endplate
for added strength. Side flanges
are hemmed. Innovative design
provides superior lens brightness
uniformity and visual comfort.
Unibody endplates are securely
attached with interlocking tabs and
screws. Four auxiliary fixture end
suspension points provided.
Endplates have integral Grid-lock
feature for safety and convenience.
Long-Life LED system coupled with
electrical driver to deliver optimal
performance. LED’s available in
3000K, 3500K, 4000K or 5000K
with typical CRI 85. Projected life
is 60,000 hours at 70% lumen
output. cULus listed. Electronic
drivers are available for 120-277V
applications. A 0-10V dimming
driver is standard.
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,
acrylic prismatic lens. Standard #12
pattern.
Co n t r o l s
The GR LED is equipped standard
with a 0-10V continuous dimming
driver that works with any standard
0-10V control/dimmer. Combine
with energy-saving products like
occupancy sensors, daylighting
controls, and lighting relay panels
from Cooper Controls (www.
coopercontrol.com) to maximize
energy savings.
Compliance
Modules are UL recognized
components and indoor luminaires
are cULus listed for 25ºC ambient
environments, RoHS compliant,
and LED modules comply with
IESNA LM-79 and LM-80 standards.
DesignLights™ Consortium
Qualified.
Fin ish
Multistage, iron phosphate
pretreatment ensures maximum
bonding and rust inhibition.
Housing and driver cover finished
with new 90% reflective white
enamel for superior performance.
“PAF” Painted After Fabrication
option also available.
2GR LED
LED
2' X 4' LED Troffer
General Recessed LED
Troffer
For Use in Insulated
Ceilings
Hin g in g /L a tch ing
Positive spring loaded steel latches
with baked white enamel finish.
Safety-lock T-hinges allow hinging
and latching either side.
3-1/4"
[83mm]
23-3/4" [603mm]
Mo unting D a ta
D oor Fra m es
47-15/16" [1218mm]
GC
F la t , W h it e
St e e l
A lu m in u m
Wa t t a g e
GCFA
G C RA
F la t , E x t ru d e d
D e e p , Re g re sse d ,
W h it e A lu m in u m E x t ru d e d N a t u ra l
23-3/4"
[603mm]
Lumens
Package
Wattage
3800
38W
4800
49W
6400
65W
8500
85W
47-3/4" [1212mm]
Cei l ing C om pa tib i li t y
G
Grid/Lay-in
Standard
G
Concealed T
G
Slot Grid
Ceiling
Type
Trim
Type
Exposed Grid
Concealed T
Slot Grid
G
G
G
(Verify compatibility/ consult
factory.)
Safe and convenient means of
disconnecting power
ADF121760
2014-03-17 14:40:30
2 GR LE D
Ph oto m etr ic s
2GR-LD1-48-A-UNVL835-CD1-U
Dimming Driver
Linear LED 3500K
Spacing criterion:
(II) 1.2 x mounting
height, (⊥) 1.2 x
mounting height
Efficiency: 100%
Lumens: 4833
Input Watts: 48.6W
Efficacy: 99.4 LPW
Test Report:
2GR-LD1-48-A-UNVL835-CD1-U.IES
Angle
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Along II
2115
2119
2093
2041
1965
1864
1734
1578
1392
1174
959
769
582
422
308
224
167
93
0
45°
2115
2105
2080
2032
1961
1858
1729
1567
1369
1160
956
725
505
334
213
159
132
80
0
Across ⊥
2115
2111
2084
2039
1969
1864
1733
1573
1379
1163
905
684
524
386
294
240
191
112
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
119
105
93
83
74
67
61
56
51
47
43
119 119
101 98
87 82
76 70
66 60
59 53
53 46
47 41
43 37
39 34
36 31
116
107
98
90
83
77
72
67
62
58
55
116
103
91
82
73
66
60
55
50
46
43
116
100
86
75
66
58
52
47
43
39
36
116
96
81
69
60
52
46
41
37
34
31
20%
50%
50 30 10
30%
50 30 10
10%
50 30 10
0%
0
111
99
88
79
71
64
58
53
49
45
42
106
95
85
76
68
62
57
52
48
44
41
102
91
82
73
66
60
55
51
47
43
40
100
86
74
63
55
49
43
39
35
32
29
111
96
83
73
64
57
51
46
42
38
35
111
93
79
68
59
52
46
41
37
34
31
106 106
93 91
81 77
71 67
63 58
56 51
50 46
46 41
41 37
38 33
35 31
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
1629
2607
4147
4833
4833
%Fixture
33.7
53.9
85.8
100.0
100.0
Candlepower
Angle
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
Along II
2960
2984
2944
2861
2766
2622
2439
2232
1967
1657
1350
1078
824
599
431
316
233
136
0
45°
2960
2955
2921
2841
2759
2617
2422
2210
1931
1636
1357
1030
717
468
302
224
187
113
0
Across ⊥
2960
2970
2929
2871
2747
2623
2442
2205
1941
1624
1277
973
732
547
421
338
267
155
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
Effective floor cavity reflectance
80%
70%
70 50 30 10
70 50 30 10
119
110
101
93
86
79
73
68
64
60
56
2GR-LD1-64-A-UNVL835-CD1-U
Dimming Driver
Linear LED 3500K
Spacing criterion:
(II) 1.2 x mounting
height, (⊥) 1.2 x
mounting height
Efficiency: 100%
Lumens: 6808
Input Watts: 70.6W
Efficacy: 96.4 LPW
Test Report:
2GR-LD1-64-A-UNVL835-CD1-U.IES
Candlepower
Average
0-Deg
cd/sm
2542
2053
1529
1325
1634
Average
45-Deg
cd/sm
2512
1935
1210
941
1405
102
90
79
69
61
55
49
45
41
37
35
102
88
76
66
57
51
45
40
37
33
30
Average
90-Deg
cd/sm
2518
1826
1398
1420
1968
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
119
110
101
93
86
79
73
68
64
60
56
119
105
93
83
74
67
61
56
51
47
43
119 119
101 98
87 82
76 70
66 60
59 53
52 46
47 41
43 37
39 34
36 31
116
107
98
90
83
77
72
67
62
58
55
116
103
91
82
73
66
60
55
50
46
43
116
100
86
75
66
58
52
47
43
39
36
116
96
81
69
60
52
46
41
37
34
31
20%
50%
50 30 10
30%
50 30 10
50
10%
30 10
0%
0
111 111
99 96
88 83
79 73
71 64
64 57
58 51
53 46
49 42
45 38
42 35
106
95
85
76
68
62
57
52
48
44
41
102
91
82
73
66
60
55
51
47
43
40
102
90
78
69
61
55
49
45
41
37
34
100
86
73
63
55
49
43
39
35
31
29
111
93
79
68
59
52
46
41
37
34
31
106 106
93 90
81 77
71 67
63 58
56 51
50 45
45 41
41 37
38 33
35 30
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
2289
3666
5839
6808
6808
%Fixture
33.6
53.8
85.8
100.0
100.0
Average
0-Deg
cd/sm
3588
2878
2170
1869
2389
102
88
76
66
57
51
45
40
37
33
30
Average
45-Deg
cd/sm
3542
2749
1695
1325
1985
Average
90-Deg
cd/sm
3516
2597
1982
1999
2723
Or d ering I nfor m a tion
SAMPLE NUMBER: 2GR-LD1-48-A-UNV-L835-CD1-U
Rating
Blank=
Standard
ATW-SW4=
Chicago
Rated
Width
2=2' Width
Trim Type
G=Grid/Lay-in (Standard) (1)
G=Concealed T
G=Slot Grid
Series (6)
R=General Purpose Troffer
LED Type
LD1=LED 1.0
Voltage (2)
UNV=Universal
Voltage 120-277 (3)
LED Lumens Output (5)
38=3800
48=4800
64=6400
85=8500
Shielding
A=A12 .095
A125=A12 .125
A125MIN=A12 .125 MIN
A19/156=A19 .156
F=A12 .095 Frost
F125=A12 .125 Frost
ND=No Door
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
Driver Type
CD=0-10V Dimming Driver
SD=Step-Dim Driver
5LTD=Fifth Light (DALI)
Driver
Options
GL=Single Element Fuse
Number of Drivers
GM=Double Element Fuse
1=1 Driver
Emergency
EL=Emergency Installed , 700 Lumens (4), (9)
EL14=Emergency Installed , 1400 Lumens (4), (9)
EL10W=Emergency Installed , 10 Watts (10)
CCT
L830=3000K
L835=3500K
L840=4000K
L850=5000K
Flex
Multiple Configurations Available
Options
PAF=Painted After
Fabrication
G1=Gasket, Door
Frame and Housing
G2=G1 plus Gasket
between Lens and
Door
G3=G1 and G2 plus
Gasketing on
Mounting Surface of
Fixture Trims (7), (8)
Packaging
U=Unit Pack
PALC=Palletized
Fixtures In Carton
ACCESSORIES
EQ-CLIP-U=T-BAR Safety Earthquake Clips (1)
DF-24-W=2' x 4' Drywall Frame Kit
NOTES: (1) An EQ Grid Clip is recommended for all 9/16" ceiling systems. (2) Products also available in non-US voltages and frequencies for international
markets. (3) Not available when specifying emergencies, voltage must be specific. (4) EL options are non-integral. (5) Nominal lumen output.
(6)
DesignLightsTM Consortium Qualified (all lumen packages). Refer to www.designlights.org Qualified Products List under Family Models for details.
(7)
Gasketing only available with aluminum door frame. (8) Gasketing minimum .125. (9) Must specify voltage (120V or 277V) when selecting EL option.
(10)
For delivered lumens, take lumens per watt of desired fixture and multiply by 10 watts (100 lp/W x 10 = 1000 lumens delivered).
Specifications & dimensions subject to change without notice. Consult your Cooper Lighting Representative for availability and ordering information.
SH IPPING D ATA
Catalog No.
2GR-LD1-48
2GR-LD1-64
Wt.Pallet
20 lbs. 24
20 lbs. 24
ADF121760
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