Page 1
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Downlights
4” A
Open Reflector
A19 or BT15 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.
MECHANICAL SYSTEM
• 16-gauge galvanized steel mounting/plaster frame with friction support springs
to retain optical system. Accommodates up to 1-5/8” 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 4AR
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 4AR Clear
4PR Pewter
4UBR Umber
4WTR Wheat
4GR Gold
4CR Champagne gold
2
4WR
White painted
2,3
4MB
Black baffle
2,3
4WB
White baffle
2,3
4BC
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
4
TRW
White painted flange
TRBL Black painted flange
GSKT Foam gasketing
5
RRL
RELOC®-ready luminaire. Provides compatibility with Lithonia
RELOC system. Access above ceiling required.
ACCESSORIES order as separate catalog numbers (shipped separately)
SCA4 Sloped ceiling adapter
. Degree of slope must be specified (10D, 15D, 20D, 25D, 30D). Ex: SCA4 10D.
ORDERING NOTES
1. Maximum wattage: 100W.
2. Not available with LD or LS finishes.
3. Not available with CGL or T75.
4. Standard on 4MB, and 4WB.
5. For compatible RELOC systems, refer to TECH-110.
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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. 06/26/13. Specifications subject to change without notice.
Page 2
4” A
Open Reflector
A19 or BT15 Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
15-7/8
(40.3)
13-5/8
(34.6)
Aperture: 4-5/16 (11.0)
Ceiling opening: 5-1/8 (13.0)
Overlap trim: 5-7/16 (13.8)
8-7/16
(21.4)
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. 06/26/13. Specifications subject to change without notice.
A-4-OPEN
PAGE 2 OF 3
Page 3
4” A
100
200
300
400
500
10
27
24
27
24
26
23
100
200
300
400
10
24
21
24
21
24
21
0° 10° 20° 30°
Open Reflector
A19 or BT15 Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
A 4AR
10° 30°
A 4AR
10° 30°
90°
70°
50°
90°
70°
50°
0
5
15
25
35
45
55
65
75
85
90
0
5
15
25
35
45
55
65
75
85
90
100W A19-IF LAMP, 1.3 SC, 1680 RATED LUMENS, TEST NO. LTL12647
cp Lumens
411
416
40
426
121
430
197
358
222
229
172
55
54
3
3
1
1
0
0
0
Zone Lumens % Lamp
0° - 30°
357.5
0° - 40°
579.3
0° - 60°
805.3
0° - 90°
810.1
90° - 180°
0° - 180°
*Total Efficiency
0.0
810.1
21.3
34.5
47.9
48.2
0.0
*48.2
pf 20%
pc 80% 70% 50%
pw 50% 30% 50% 30% 50% 30%
57
57
56
0
53
1
2
3
4
5
6
7
8
9
51
48
46
44
41
40
37
36
33
33
30
31
27
28
25
26
23
56
52
50
47
45
43
40
39
36
36
33
33
30
30
27
28
25
26
23
100W BT15-IF LAMP, 1.1 SC, 1670 RATED LUMENS, TEST NO. LTL12649
cp Lumens
562
562
53
532
151
504
228
362
225
196
152
34
40
3
3
1
1
0
0
0
Zone Lumens % Lamp
0° - 30°
432.8
0° - 40°
658.0
0° - 60°
849.5
0° - 90°
853.6
90° - 180°
0° - 180°
0.0
853.6
*Total Efficiency
25.9
39.4
50.9
51.1
0.0
*51.1
pf 20%
pc 80% 70% 50%
pw 50% 30% 50% 30% 50% 30%
61
61
59
0
56
1
51
2
47
3
43
4
40
5
37
6
34
7
31
8
29
9
59
55
55
54
49
50
48
44
46
44
40
43
39
36
39
36
33
36
33
30
33
30
28
31
28
26
29
26
Task Height: 2.5ft. 50% beam - 68.7° 10% beam - 98.9°
Inital FC
Center
54
50
45
42
38
35
32
30
27
25
Mounting
54
49
44
39
35
32
29
27
24
22
Beam Diameter FC Diameter FC
Height
8.0
10.0
12.0
14.0
16.0
13.6
7.3
4.6
3.1
2.3
7.5
10.3
13.0
15.7
18.5
6.8
3.6
2.3
1.6
1.1
12.9
17.5
22.2
26.9
31.5
1.4
0.7
0.5
0.3
0.2
Task Height: 2.5ft. 50% beam - 60.6° 10% beam - 93.3°
Inital FC
57
53
49
45
41
38
35
33
30
28
Mounting
57
52
47
43
39
35
32
30
27
25
Center
Beam Diameter FC Diameter FC
Height
8.0
10.0
12.0
14.0
16.0
18.6
10.0
6.2
4.2
3.1
6.4
8.8
11.1
13.4
15.8
9.3
5.0
3.1
2.1
1.5
11.7
15.9
20.1
24.4
28.6
1.9
1.0
0.6
0.4
0.3
A 4MB
100
200
300
400
A 4MB
100
200
300
400
500
0° 10° 20° 30°
From 0° AveLumens
80°
70°
60°
50°
40°
0
5
15
25
35
45
55
65
75
85
90
90°
F rom 0° AveLumens
80°
70°
60°
50°
40°
0
5
15
25
35
45
55
65
75
85
90
100W A19-IF LAMP, 0.9 SC, 1550 RATED LUMENS, TEST NO. LTL12788
468
457
394
315
213
109
Zone Lumens % Lamp
297.0
0° - 30°
430.1
0° - 40°
43
111
144
133
81
4
9
1
1
0
0
0
0
0
0° - 60°
0° - 90°
90° - 180°
0° - 180°
519.6
520.9
0.0
520.9
*E fficiency
*33.6
19.2
27.7
33.5
33.6
0.0
pf
pc
80%70% 50%
pw
50%30% 50%30% 50%30%
1
.37
2
.34
3
.31
4
.29
5
.27
6
.25
7
.23
8
.22
9
.20
10
.19
.36
.33
.30
.27
.25
.23
.21
.20
.18
.17
.36
.34
.31
.29
.27
.25
.23
.22
.20
.19
20%
.35
.32
.29
.27
.25
.23
.21
.19
.18
.17
.35
.32
.30
.28
.26
.24
.23
.21
.20
.19
100W BT15-IF LAMP, 1.0 SC, 1650 RATED LUMENS, TEST NO. LTL12789
20%
80% 70% 50%
.38
.38
.37
.34
.31
.29
.26
.24
.23
.21
.20
.18
.35
.32
.30
.28
.26
.25
.23
.22
.20
.34
.31
.28
.26
.24
.22
.21
.20
.18
.36
.34
.32
.29
.28
.26
.24
.23
.21
.20
.36
.33
.30
.28
.26
.24
.22
.21
.19
.18
562
550
477
392
244
73
Zone Lumens % Lamp
363.6
0° - 30°
513.3
0° - 40°
51
135
178
150
61
2
6
1
1
0
0
0
0
0
0° - 60°
0° - 90°
90° - 180°
0° - 180°
580.0
581.2
0.0
581.2
*E fficiency
21.8
30.7
34.7
34.8
0.0
*34.8
pf
pc
50% 30% 50% 30% 50% 30%
pw
1
.38
2
.36
3
.33
4
.31
5
.28
6
.27
7
.25
8
.23
9
.22
10
.20
.34
.31
.29
.26
.24
.22
.21
.19
.18
.17
Mount
height
8
10
12
14
16
Mount
height
8
10
12
14
16
Inital fc
at be am
center
15.5
8.3
5.2
3.5
2.6
Inital fc
at be am
center
18.6
10.0
6.2
4.2
3.1
50% be am angle
50.1°
fc at
beam
Beam
diameter
diameter
edge
7.7
5.1
4.2
7.0
2.6
8.9
1.8
10.7
1.3
12.6
50% be am angle
51.3°
fc at
beam
Beam
edge
9.3
5.3
5.0
7.2
3.1
9.1
2.1
11.0
1.5
13.0
10% be am angle
87.6°
fc at
beam
Beam
diameter
diameter
edge
1.6
10.5
0.8
14.4
0.5
18.2
0.4
22.0
0.3
25.9
10% be am angle
82.8°
fc at
Beam
beam
edge
1.9
9.7
1.0
13.2
0.6
16.8
0.4
20.3
0.3
23.8
A-4-OPEN
PAGE 3 OF 3
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
© 2005-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.
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