Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Downlights
11” LAH
Square Lens
T73 Prismatic Lens, Wet Location,
Horizontal Lamp, Metal Halide or HPS Lamps
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Diffused anodized aluminum reflector.
• Tempered, prismatic (T73) glass lens.
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” knockouts and three 1/2” knockouts for
straight-through conduit runs. Capacity: 8 (4 in, 4 out) No. 12 AWG conductors
rated for 90°C.
ELECTRICAL SYSTEM
• Horizontally-mounted, medium-base porcelain socket with nickel-plated screw shell.
• Prewired HPF core-and-coil ballast.
• Thermally-activated insulation detector.
EXAMPLE: LAH 100M 11RW T73 120
LISTING
• Fixtures are UL listed for thru-branch wiring, 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
Series Wattage/Lamp Door frame Lens type Voltage Options
LAH
Metal halide
50M
MH50/C/U/MED
70M MH70/C/U/MED
100M MH100/C/U/MED
Color-corrected metal halide
50MHC MPC50/C/MED
70MHC MPC70/C/MED
100MHC MPC100/C/MED
High pressure sodium
50S
LU50/D/MED
70S LU70/D/MED
100S LU100/D/MED
11RW Regressed
1
white door
T73 Prismatic
lens
120
208
240
277
347
WLP With lamp. (shipped separately)
2
QRS
Quartz Restrike System
2,3
QRSTD
Quartz Restrike System with time delay
RRL RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC
system. Access above ceiling required.
TRDA
Tamper-resistant door assembly (includes two tamper-resistant
screws). For added protection, use in combination with PCL option. Not
available with flush white door frame.
SF Single fuse (7FW)
PCL Clear polycarbonate lens installed in addition to standard lens
CSA
EP Encased and potted ballast
HEB
QListed and labeled to comply with Canadian Standards
4
Electronic ballast
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. Consult factory for 347V.
2. QRS and QRSTD cannot be order in combination.
LAH-11-SQUARE-T73
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2003-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/04/13. Specifications subject to change without notice.
3. Luminaire dimensions increase to 24-3/4” x 17-1/2” x 6-5/8”.
4. 120 or 277V only. MHC lamps only.
11” LAH
Aperture
Ceiling
Overlap trim:
Square Lens
T73 Prismatic Lens, Wet Location, Horizontal Lamp, Metal Halide or HPS Lamps
DIMENSIONAL DATA ELECTRICAL
All dimensions are inches (centimeters) unless otherwise noted.
23 (58.4)
13-1/4 (33.7)
Electrical Characteristics
6 (15.2)
:10-1/8 (27.0)
opening:11-1/4 (28.6)
11-5/8 (29.5)
QRS/EC WATTAGE RESTRICTIONS
HID Maximum Lamp
Wattage/ Maximum Line Current Input
V802V021tsallaB 240V 277V 347V watts
Metal Halide (Power Factor 90%)
50M HX-HPF 1.16.67 .57 .50 .43 72
70M HX-HPF 1.901.04 .90 .80 .60 95
100M HX-HPF 2.60 1.50 1.30 1.15 1.00 130
High Pressure Sodium (Power Factor 90%)
50S HX-HPF 1.24 .59 .50 .44 66
70S HX-HPF 1.45 .85 .75 .65 .52 94
100S HX-HPF 2.20 1.40 1.10 .95.70 130
Tested to current IES and NEMA standards under stabilized laboratory conditions. Various
operating factors can cause differences between laboratory data and actual field measurements. Dimensions and specifications are based on the most current available data and are
subject to change.
wattage wattage type
50W 75 Double contact
70/100W 100 bayonet base
Conversion Factor
Use multiplier to determine
candlepower, lumens and
footcandles of other lamps.
50M = 100M x .35
50S = 100S x .43
70S = 100S x .68
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2003-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/04/13. Specifications subject to change without notice.
LAH-11-SQUARE-T73
PAGE 2 OF 3
11” LAH
90° 5
%1
°
'2
'0
ρ f20%
10 28 24 27 23 27 23
0°
1200
1500
90° 14
ρ f20%
10 28 23 27 23 26 23
%1
103.3°
'4
1000
1500
2000
2500
%1
°
'9
'4
1200
1800
2400
3000
ρ f20%
10 30 25 29 24 28 24
Square Lens
T73 Prismatic Lens, Wet Location, Horizontal Lamp, Metal Halide or HPS Lamps
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
LAH 70M 11RW T73
90°
300
600
900
45°
LAH 100M 11RW T73
90°
500
45°
0°
From 0° cp. Lumens
From 0° cp. Lumens
70W MH70/C/U/MED LAMP, 1.1 S/MH, 5000 RATED LUMENS, TEST NO. 2189021511
Zone Lumens %lamp
0° 1503
5° 1496 142
15° 1425 402
25° 1247 576
35° 1032 645
45° 719 556
55° 384 354
65° 197 201
75° 100 108
85° 28 34
100W M100/C/U/MED LAMP, 1.2 S/MH, 8000 RATED LUMENS, TEST NO. 2187102208
0° 2286
5° 2296 218
15° 2226 630
25° 1977 915
35° 1631 1025
45° 1213 939
55° 671 602
65° 330 328
75° 160 169
85° 51 55
0°-30° 1120 22.4
0°-40° 1765 35.3
0°-60° 2675 53.5
0°-90° 3017 60.3
90°-180°0 0.0
0°-180° 3017 60.3*
* Fixture efficiency
Zone Lumens %lamp
0°-30° 1763 22.0
0°-40° 2788 34.9
0°-60° 4329 54.1
0°-90° 4881 61.0
90°-180°0 0.0
0°-180° 4881 61.0*
* Fixture efficiency
ρ c80% 50%30%
ρw50% 30% 50% 30% 50%30%
1656361605958
2595656535452
3534951484947
4494446434542
5444042394138
6403639353834
7373235313431
8332932283228
9312630262925
ρ c80% 50%30%
ρw50% 30% 50% 30% 50%30%
1666361605958
2595656545452
3534951484947
4494547434542
5444043394138
6413639353834
7373235313431
8332932283128
9312629252925
50
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 49.7 6.3'24.912.9' 5.0
10' 26.78.6' 13.4 17.6
12'16.7 10.8' 8.3 22.3' 1.7
14'11.4 13.1' 5.7 27.0' 1.1
16'8.3 15.4'4.1 31.7
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 75.6 6.5'37.813.9' 7.6
10' 40.68.9' 20.3 19.0
12'25.3 11.2'12.724.0' 2.5
14'17.3 13.6' 8.6 29.1' 1.7
16'12.5 15.9' 6.3 34.1' 1.3
beam angle 59.4° beam angle 99.2
50
beam angle 61.1° beam angle
0%
0%
.7
.8
.1
LAH 100S 11RW T73
90°
600
45°
0°
100W LU100/D/MED LAMP, 1.2 S/MH, 8800 RATED LUMENS, TEST NO. 2189021408
From 0° cp. Lumens
0° 2745
5° 2732 260
15° 2613 737
25° 2315 1069
35° 1939 1211
45° 1361 1051
55° 720 664
65° 365 374
75° 185 198
85° 51 62
90° 9
Zone Lumens %lamp
0–30° 2066 23.4
0–40° 3276 37.2
0–60° 4992 56.7
0–90° 5626 63.9
90–180°0 0.0
0–180° 5626 63.9*
* Fixture efficiency
ρ c 80% 50%30%
ρw 50% 30% 50%30% 50% 30%
1696765636261
2625959565755
3565254505249
4514749454844
5474245414440
6433841374036
7393437333632
8353134303329
9322831273127
50
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edgediameter edge
8' 90.8 6.4' 45.4 13.0
10' 48.8 8.7' 24.4 17.8
12'30.4 11.0'15.222.5' 3.0
14'20.8 13.4'10.427.2' 2.1
16'15.1 15.7' 7.532.0' 1.5
beam angle 60.3° beam angle 99.6
0%
.1
.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.
LAH-11-SQUARE-T73
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2003-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 09/04/13. Specifications subject to change without notice.
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