Page 1
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Downlights
10” LG
Round Lens
Wet Location
Vertical PS25 Lamp
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Aluminum upper reflector coated with highly reflective white paint provides high
efficiency and an evenly illuminated aperture appearance.
• Available with tempered prismatic lens (T73), flat Fresnel lens (FFL) or flat opal
lens (FOL).
• Regressed white door (RW) or stepped black baffle (SB) are available with white
painted flange provided.
• Door is retained by self-aligning, torsion support springs, preventing gaps
between door and ceiling.
MECHANICAL SYSTEM
• 16-gauge galvanized steel mounting/plaster frame with integral brackets to
retain optical system. Maximum 1-1/2” ceiling thickness.
• 16-gauge galvanized steel mounting bars with continuous 4” vertical adjustment are shipped pre-installed. Post installation adjustment possible without
the use of tools from above or below ceiling.
• Galvanized steel junction box with hinged access covers and spring latch. Two
combination 1/2”-3/4” and two 1/2” knockouts for straight-through conduit
runs. Capacity: 8 (4 in, 4 out) No. 12 AWG conductors rated for 90°C.
EXAMPLE: LG 10RW T73
ELECTRICAL SYSTEM
• Die-cast aluminum lampholder housing.
• Medium-base porcelain socket with nickel-plated screw shell.
• Thermally-activated insulation detector.
LISTING
• Fixtures are UL Listed for thru-branch wiring, non-IC recessed mounting and wet
locations. Listed and labeled to comply with Canadian standards.
WARRANTY
• 1-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
Series1Door frame Lens type Options
LG 10RW Regressed white door
10SB Stepped black baffle
T73 Tempered prismatic lens
FFL Flat fresnel lens
FOL Flat opal lens
CP Chicago plenum
2
TRDA
RRL
Tamper resistant door assembly
3
RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC system. Access above
ceiling required.
SDT 277 step-down transformer (277V to 120V)
SDT347 347 step-down transformer (347V to 120V; 75W max.)
GSKT Foam gasketing ships uninstalled
SF Single fuse
ACCESSORIES order as separate catalog numbers (shipped separately)
SCA10
Sloped ceiling adapter. Degree of slope must be specified (10D, 15D, 20D, 25D, 30D). Ex: SCA10 10D.
ORDERING NOTES
1. Maximum wattage: 150W A21; 200W A23 lamp.
2. Uses Torx T15 rejection pin drive system.
3. For compatible RELOC systems, refer to TECH-110.
LG-10-ROUND-LENS
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
Page 2
10” LG
Round Lens
Wet Location, Vertical PS25 Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
14-3/8
36.5
17-1/4
(43.8)
17
(43.2)
Aperture: 9-3/4 (24.8)
Ceiling Opening: 10-1/2 (26.7)
Overlap Trim: 11-1/8 (28.3)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
LG-10-ROUND-LENS
PAGE 2 OF 3
Page 3
10” LG
90°
1000
1000
1200
Round Lens
Wet Location, Vertical PS25 Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
LG 10RW T73
200
400
600
800
0° 10° 20° 30°
0
LG 10RW FFL
200
400
600
800
0° 10° 20° 30°
0
80°
70°
60°
50°
40°
90°
80°
70°
60°
50°
40°
300W PS25 LAMP, 1.3 S/MH, 4170 RATED LUMENS, TEST NO. LTL14199
From 0° AveLumens
0
1173
5
1176
1186
1139
910
570
276
125
41
10
0
112
335
522
565
439
252
127
48
11
15
25
35
45
55
65
75
85
90
Zone Lumens % Lamp
969.4
0° - 30°
1534.8
0° - 40°
2225.5
0° - 60°
2411.1
0° - 90°
90° - 180°
0° - 180°
0.0
2411.1
*E fficiency
*57.8
23.2
36.8
53.4
57.8
0.0
pf
pc
80%70% 50%
pw
50%30% 50%30% 50%30%
1
.62
.60
2
.56
.53
3
.50
.46
4
.46
.41
5
.41
.37
6
.38
.33
7
.35
.30
8
.32
.27
9
.29
.27
.25
.23
10
300W PS25 LAMP, 1.2 S/MH, 4170 RATED LUMENS, TEST NO. LTL14200
From 0° AveLumens
0
1177
5
1190
1313
1256
817
510
283
129
43
11
0
115
370
566
516
394
256
130
48
12
15
25
35
45
55
65
75
85
90
Zone Lumens % Lamp
1050.7
0° - 30°
1567.0
0° - 40°
2217.3
0° - 60°
2408.3
0° - 90°
90° - 180°
0° - 180°
0.0
2408.3
*E fficiency
*57.8
25.2
37.6
53.2
57.8
0.0
pf
pc
80% 70%50%
pw
50% 30% 50% 30% 50% 30%
1
.62
.60
2
.56
.53
3
.50
.47
4
.46
.42
5
.42
.37
6
.38
.34
7
.35
.31
8
.32
.28
9
.30
.28
.26
.24
10
.61
.55
.49
.45
.41
.37
.34
.31
.29
.27
.61
.55
.50
.45
.41
.38
.35
.32
.30
.28
20%
20%
.59
.52
.46
.41
.37
.33
.30
.27
.25
.23
.59
.52
.46
.41
.37
.33
.30
.28
.26
.24
.58
.53
.48
.43
.40
.36
.33
.31
.28
.26
.58
.53
.48
.44
.40
.37
.34
.31
.29
.27
.57
.50
.45
.40
.36
.32
.29
.27
.25
.23
.57
.51
.45
.40
.36
.33
.30
.27
.25
.23
Mount
height
8
10
12
14
16
Mount
height
8
10
12
14
16
Inital fc
at be am
center
38.8
20.9
13.0
8.9
6.4
Inital fc
at be am
center
38.9
20.9
13.0
8.9
6.5
50% be am angle
65.4°
fc at
beam
Beam
diameter
diameter
edge
19.4
7.1
10.4
9.6
6.5
12.2
4.4
14.8
3.2
17.3
50% be am angle
63.7°
fc at
beam
Beam
edge
19.5
6.8
10.5
9.3
6.5
11.8
4.5
14.3
3.2
16.8
10% be am angle
98.7°
fc at
beam
Beam
diameter
diameter
edge
3.9
12.8
2.1
17.5
1.3
22.1
0.9
26.8
0.6
31.5
10% be am angle
97.8°
fc at
beam
Beam
edge
3.9
12.6
2.1
17.2
1.3
21.8
0.9
26.4
0.6
30.9
PHOTOMETRY NOTES
• Tested to current IES and NEMA standards under stabilized laboratory conditions.
• Actual performance may differ as a result of end-user environment and application.
• Consult factory or IES file for microgroove baffle, black cone or other photometric reports.
LG-10-ROUND-LENS
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 10/01/13. Specifications subject to change without notice.
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