Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Downlights
11” LA
Square Lens
Wet Location, Horizontal Lamp
150W A21 or 200W A23
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Diffused anodized aluminum reflector.
• Available with tempered prismatic lens (T73), drop opal lens (DOL), or semiflush symmetric lens (SFL).
DOOR
• Die-cast aluminum regressed white door frame with gasketed flange.
• Self-aligning butterfly door support springs.
MECHANICAL SYSTEM
• Die-formed steel upper housing with white polyester powder paint.
• Expandable mounting bars provide horizontal and vertical adjustment.
• Galvanized steel junction box with bottom-hinged access covers and spring
latches. Two combination 1/2”-3/4” and three 1/2” knockouts for straightthrough conduit runs. Capacity: 8 (4 in, 4 out) No. 12 AWG conductors rated
for 90°C.
• Patented adjustable aperture allows 1/4” adjustments in all directions and up
to 5° of rotation, allowing post-installation adjustments to ensure trim-to-trim
alignment.
EXAMPLE: LA 11RW T73
ELECTRICAL SYSTEM
• Horizontally-mounted, medium-base porcelain socket with nickel-plated screw shell.
• Thermally-activated insulation detector.
LISTING
• Fixtures are UL Listed for thru-branch wiring, recessed mounting and wet
locations. Listed and labeled to comply with Canadian Standards (see Options).
WARRANTY
• 1-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
Series Door frame Lens type Options
1
LA
11RW Regressed
white door
T73 Tempered prismatic lens
DOL Drop opal lens
SDT 227V stepdown transformer (277V to 120V). Adds 4” to width of fixture
SDT347 347V stepdown transformer (347V-120V). Adds 4” to width of fixture
TRDA Tamper-resistant door assembly
RRL RELOC
®
-ready luminaire. Provides compatibility with Lithonia RELOC system. Access above
ceiling required.
ACCESSORIES order as separate catalog numbers (shipped separately)
BH24 24” steel bar hangers (2) for T-bar mounting.
LSMC
Set of 4 T-bar mounting clips for use with bar hangers supplied with unit.(Not for use with BH24).
ORDERING NOTES
1. Maximum wattage is 200W A21-IF or A23-IF lamp.
LA-11-SQUARE-LENS
PAGE 1 OF 4
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 04/08/14. Specifications subject to change without notice.
11” LA
Square Lens
Wet Location, Horizontal Lamp, 150W A21 or 200W A23
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
6 (15.2)
16-11/16 (42.4)
Aperture:10-1/8 (27.0)
Ceiling opening: 11-1/4 (28.6)
Overlap trim:11-5/8 (29.5)
12-1/16 (30.6)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 04/08/14. Specifications subject to change without notice.
LA-11-SQUARE-LENS
PAGE 2 OF 4
11” LA
90° 4
%1
104.0°
ρ f20%
10 24 20 23 19 23 19
0°
1000
90° 4
ρ f20%
10 25 21 24 20 24 20
%1
103.6°
1000
ρ f20%
10 13 10 12 10 12 10
112.3°
'1
100
200
300
400
500
ρ f20%
10 16 14 16 14 15 14
%1
°
1000
Square Lens
Wet Location, Horizontal Lamp, 150W A21 or 200W A23
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
LA 11RW T73
200
400
600
800
LA 11RW SFL
200
400
600
800
0°
90°
90°
From 0° cp. Lumens
45°
From 0° cp. Lumens
15° 956 271
25° 839 388
35° 806 506
45°
45° 676 523
55° 301 270
65° 147 146
75° 69 73
85° 20 22
200W/A23 LAMP, 1.3 S/MH, 3940 RATED LUMENS, TEST NO. 2187041503
Zone Lumens %lamp
0° 942
5° 942 90
15° 914 259
25° 837 387
35° 742 466
45° 587 454
55° 330 296
65° 167 165
75° 78 82
85° 21 23
200W/A23 LAMP, 1.3 S/MH, 3940 RATED LUMENS, TEST NO. 2187041603
0° 951
5° 964 92
0°-30° 736 18.7
0°-40° 1202 30.5
0°-60° 1952 49.6
0°-90° 2223 56.4
90°-180°0 0.0
0°-180° 2223 56.4*
* Fixture efficiency
Zone Lumens %lamp
0°-30° 751 19.1
0°-40° 1257 31.9
0°-60° 2050 52.0
0°-90° 2290 58.1
90°-180°0 0.0
0°-180° 2290 58.1*
* Fixture efficiency
ρ c80% 50%30%
ρw50% 30% 50% 30% 50%30%
1595756545452
2534950474846
3474344414340
4423740363935
5383336323531
6342933293228
7312630262925
8282427232723
9262225212521
ρ c80% 50%30%
ρw50% 30% 50% 30% 50%30%
1615958565554
2555151495047
3494446434542
4443941384037
5393537343633
6363134303329
7322831273027
8302528242824
9272326222622
50
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 31.1 6.9' 15.6 14.1' 3.1
10' 16.7 9.4' 8.4 19.2' 1.7
12'10.411.9'5.2 24.3' 1.0
14'7.1 14.4'3.6 29.4' 0.7
16'5.2 15.9'2.6 34.6' 0.5
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 31.4 7.1' 15.7 14.0' 3.1
10' 16.9 9.7' 8.5 19.1' 1.7
12'10.512.3'5.3 24.1' 1.1
14'7.2 14.9'3.6 29.2' 0.7
16'5.2 17.4'2.6 34.3' 0.5
beam angle 63.9° beam angle
50
beam angle 66.9° beam angle
0%
0%
LA 11RW DOL
0°
LA 11RW ALE
200
400
600
800
0°
From 0° cp. Lumens
90°
45°
90°
45°
200W/A23 LAMP, 1.3 S/MH, 3940 RATED LUMENS, TEST NO. 2187041502
0° 426
5° 424 40
15° 412 117
25° 390 180
35° 352 221
45° 308 239
55° 252 226
65° 188 186
75° 118 125
85° 54 59
90° 32
200W/A23 LAMP, 0.9 S/MH, 3940 RATED LUMENS, TEST NO. 2187041501
From 0° cp. Lumens
0° 983
5° 94790
15° 814 231
25° 625 289
35° 408 256
45° 238 184
55° 148 183
65° 92 91
75° 46 49
85° 12 13
90° 1
Zone Lumens %lamp
0–30° 338 8.6
0–40° 559 14.2
0–60° 1023 26.0
0–90° 1393 35.4
90–180° 00.0
0–180° 1393 35.4*
* Fixture efficiency
Zone Lumens %lamp
0–30° 610 15.5
0–40° 866 22.0
0–60° 1184 30.0
0–90° 1386 35.2
90–180°0 0.0
0–180° 1386 35.2*
* Fixture efficiency
ρ c 80% 50% 30%
ρw50% 30% 50% 30% 50%30%
1363433323231
2312829272726
3272325222422
4232022192119
5211720171916
6191518151714
7171416131513
8151214121412
9141113111310
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1363534333232
2323030292928
3292727262725
4262425232423
5242123212220
6221921192119
7201820171917
8191618161816
9171517151715
50% 10%
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 14.1 7.2'7.1 16.4
10' 7.6 9.8' 3.8 22.4' 0.8
12' 4.7 12.4' 2.428.3' 0.5
14' 3.2 15.0' 1.634.3' 0.3
16' 2.3 17.6' 1.240.3' 0.2
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 32.9 4.9'16.510.5' 3.3
10' 17.5 6.7' 8.8 14.3' 1.8
12' 10.9 8.5' 5.5 18.1' 1.1
14' 7.4 10.2' 3.7 21.9' 0.7
16' 5.4 12.0' 2.7 25.8' 0.5
beam angle 66.0° beam angle
50
Initial fc fc at fc at
beam angle 48.1° beam angle 87.3
0%
.4
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.
LA-11-SQUARE-LENS
PAGE 3 OF 4
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 04/08/14. Specifications subject to change without notice.
ρ f20%
10 22 18 21 18 21 18
%1
°
1200
1500
11” LA
Square Lens
Wet Location, Horizontal Lamp, 150W A21 or 200W A23
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
LA 11RW ALN
300
600
900
0°
From 0° cp. Lumens
90°
45°
15° 950 269
25° 810 375
35° 607 381
45° 426 330
55° 271 243
65° 125 124
75° 43 46
85° 10 10
90° 2
200W/A23 LAMP, 0.9 S/MH, 3940 RATED LUMENS, TEST NO. 2187090802
0° 1093
5° 1068 102
Zone Lumens %lamp
0–30° 746 18.9
0–40° 1127 28.6
0–60° 1700 43.1
0–90° 1880 47.7
90–180°0 0.0
0–180° 1880 47.7*
* Fixture efficiency
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1514948464645
2454343414140
3413738363735
4373335323431
5332932293128
6302629262825
7282427232623
8252224212421
9232023202219
50
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 36.1 5.6'18.112.4' 3.6
10' 19.4 7.7' 9.7 16.9' 2.0
12' 12.1 9.7' 6.1 21.4' 1.2
14' 8.3 11.7' 4.1 25.9' 0.8
16' 6.0 13.8' 3.0 30.4' 0.6
beam angle 54.0° beam angle 96.7
0%
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.
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 04/08/14. Specifications subject to change without notice.
LA-11-SQUARE-LENS
PAGE 4 OF 4
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