Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Downlights
6” A
Open Reflector
A19, A21 Lamp
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Reflector: Self-flanged, semi-specular, matte-diffuse or specular reflector.
Patented Bounding Ray™ Optical Principle design (U.S. Patent No. 5,800,050)
provides lamp before lamp image and smooth transition from top of reflector to
bottom. Minimum flange matches reflector finish.
• Baffle/cone: Semi-specular clear upper reflector. Microgroove baffle with white
painted flange or specular black cone with flange that matches cone finish.
MECHANICAL SYSTEM
• 16-gauge galvanized steel mounting/plaster frame with friction support springs
to retain optical system. Accommodates up to 7/8” thick ceiling standard.
• 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: A 6AR
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
damp 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
Series1Aperture/Trim color Finish Lens type Options
A 6AR Clear
6PR Pewter
6UBR Umber
6WTR Wheat
6GR Gold
2
6WR
White painted
2
6MB
Black baffle
2
6WB
White baffle
2
6BC
Black cone
(blank) Semi-specular
LD Matte-diffuse
LS Specular
(blank) No lens
CGL Clear glass lens
T73 Tempered prismatic lens
SDT Stepdown transformer (277V to 120V)
SDT347 Stepdown transformer (347V to 120V; 75W max.)
SF Single fuse
3
TRW
GSKT Foam gasketing
RRL
White painted flange
4
RELOC®-ready luminaire. Provides compatibility with Lithonia
RELOC system. Access above ceiling required.
CP Chicago plenum
ACCESSORIES order as separate catalog numbers (shipped separately)
SCA6 Sloped ceiling adapter
. Degree of slope must be specified (10D, 15D, 20D, 25D, 30D). Ex: SCA6 10D.
CTA4-8 YK Trim rentention yoke with tempered steel flat spring.
ORDERING NOTES
1. Maximum wattage: 100W A19-IF lamp; 150W A21-IF lamp.
2. Not available with finishes.
3. Standard on 6WR, 6MB, and 6WB.
4. For compatible RELOC systems, refer to TECH-110.
A-6-OPEN
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.
6” A
Open Reflector
A19, A21 Lamp
DIMENSIONAL DATA ELECTRICAL
All dimensions are inches (centimeters) unless otherwise noted.
15-7/8
(40.3)
13-5/8 (34.6)
Aperture:6-1/4 (15.9)
Ceiling opening: 7-1/8 (18.1)
Overlap trim:7-1/2 (19.1)
Lens Recess: 2-1/8 (5.4)
H
Height Information
100W A19
8-1/2 (21.6)
150W A21
9-1/2(24.1)
ENERGY
(Calculated in accordance with NEMA standard LE-5A)
Annual*
Energy
LER.DOL
12
13
*
Comparative yearly lighting energy cost per 1000 lumens
Cost
$20.67
$18.58
Lamps
(1) 100W A19
(1) 150W A21
Lamp
Lumens
1710
2850
Ballast
Factor
N/A
N/A
Input
Watts
100
150
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.
A-6-OPEN
PAGE 2 OF 3
6” A
10 31 28 31 28 30 28
1200
90° 00
10 40 35 39 35 39 35
1600
90° 00
ρf20%
10 39 34 38 34 38 34
%1
0
90° 00
'1
'0
'0
Open Reflector
A19, A21 Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
A 6AR (100 A19)
90
180
360
540
720
900
o
A 6AR (150 A21)
90
320
640
960
1280
o
0
o
From 0° cp. Lumens
o
45
o
From 0° cp. Lumens
15° 1443 409
25° 1352 612
o
45
35° 886536
45° 211178
55° 69
65° 11
75° 00
85° 00
(1) 100A LAMP, 1750 RATED LUMENS, 1.3 S/MH, TEST NO. LTL7258
Zone Lumens %lamp
0° 801 0
5° 813 78
15° 830 236
25° 845 383
35° 599 364
45° 151 124
55° 12
65° 00
75° 00
85° 00
(1) 150A LAMP, 2780 RATED LUMENS, 1.2 S/MH, TEST NO. LTL7257
0° 15100
5° 1541 144
0°-30° 697 39.8
0°-40°1061 60.6
0°-60°1188 67.9
0°-90°1188 67.9
90°-180° 0 0.0
0°-180° 1188 67.9*
*Efficiency
Zone Lumens %lamp
0°-30°116641.9
0°-40°170261.2
0°-60°188967.9
0°-90°189068.0
90°-180° 00.0
0°-180° 1890 68.0*
*Efficiency
ρc80% 70% 50%
ρw 50% 30% 50%30% 50%30%
1757373727169
2696668656664
3646063606158
4595558555754
5555154505349
6514650464946
7474347434642
8444044394339
9413741374036
ρf 20%
ρc 80% 70% 50%
ρw50% 30%50% 30% 50% 30%
1757374727170
2696768666664
3646163606259
4605659555754
5555155515450
6524751475046
7484448444743
8454145404440
9423842384137
50
Initial fc fc at fc at
Mount at beam Beambeam Beam beam
height center diameter edge diameter edge
8' 26.5 7.1' 13.2 10.5' 2.6
10' 14.2 9.7' 7.1 14.3' 1.4
12' 8.9 12.3' 4.4 18.1' 0.9
14' 6.1 14.9' 3.0 22.0' 0.6
16' 4.4 17.4' 2.2 25.8' 0.4
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 49.9 6.4' 25.0 10.0' 5.0
10' 26.8 8.7' 13.4 13.6' 2.7
12' 16.7 11.0'8.4 17.3' 1.7
14' 11.4 13.3'5.7 20.9' 1.1
16' 8.315.6' 4.124.6' 0.8
beam angle 65.7° beam angle 87.5°
50% 10%
beam angle 60.1° beam angle 84.6°
0%
A 6MB (150 A21)
90
240
480
720
960
o
0
A 6BC (150 A21)
90
260
520
780
1040
1300
o
0
o
From 0° cp. Lumens
0° 1159 0
5° 1174 113
15° 1196 341
25° 1117 500
o
45
35° 617 381
45° 144 118
55° 23
65° 11
75° 00
85° 00
90° 00
o
From 0° cp. Lumens
0° 1249 0
5° 1289 123
15° 1257 356
25° 1104 497
o
45
35° 622 384
45° 154 124
55° 11
65° 00
75° 00
85° 00
(1) 150A LAMP, 2780 RATED LUMENS, 1.2 S/MH, TEST NO. LTL7636
Zone Lumens %lamp
0°-30° 954 34.3
0°-40° 1335 48.0
0°-60° 1455 52.3
0°-90° 1456 52.4
90°-180° 0 0.0
0°-180° 1456 52.4*
*Efficiency
(1) 150A LAMP, 2780 RATED LUMENS, 1.1 S/MH, TEST NO. LTL7638
Zone Lumens %lamp
0°-30° 975 35.1
0°-40°1359 48.9
0°-60°1485 53.4
0°-90°1485 53.4
90°-180° 0 0.0
0°-180° 1485 53.4*
*Efficiency
ρf20%
ρc 80% 70% 50%
ρw 50% 30%50% 30% 50% 30%
1585757565554
2545153515149
3504749474846
4464346434542
5434043404239
6403740373936
7383437343734
8353235323432
9333033303229
ρf 20%
ρc 80% 70% 50%
ρw 50% 30% 50%30% 50% 30%
1595858575655
2555354525250
3514850484947
4474447444643
5444144414340
6413841384037
7393538353735
8363336333532
9343134303330
50% 10%
Initial fc fc at fc at
Mount at beam Beambeam Beam beam
height center diameter edge diameter edge
8' 38.3 6.3' 19.2 9.8' 3.8
10' 20.6 8.6'10.3 13.4' 2.1
12' 12.8 10.9' 6.4 17.0' 1.3
14'8.8 13.2' 4.4 20.5' 0.9
16'6.4 15.5' 3.2 24.1' 0.6
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 41.3 6.1' 20.6 9.8' 4.1
10'22.2 8.3' 11.1 13.3' 2.2
12'13.8 10.5'6.9 16.9
14'9.4 12.7'4.7 20.4
16'6.9 14.9'3.4 24.0
beam angle 59.7° beam angle 83.7°
50% 10%
beam angle 57.7° beam angle 83.4°
.4
.9
.7
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.
A-6-OPEN
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.
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