
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Incandescent Accent
4” SQDLW
Square Lensed Wallwash
PAR Lamp
FEAT URES ORDERING INFORMATION NOTES
OPTICAL SYSTEM
• Self-flanged, matte-diffuse high impact polymer finishing trim with a durable,
proprietary vapor deposition finish.
• One piece trim eliminates mitered flange corners and inside corner gaps.
• Indirect wallwash design along with diffusing lens delivers a uniform distribution
of light to the wall.
• Relamping capability from above or below ceiling without the use of tools.
• Patented Bounding Ray™ Optical Principle design (U.S. Patent No.
5,800,050).
MECHANICAL SYSTEM
• Rolled steel housing with matte black finish and 16-gauge painted steel mounting/plaster frame accommodates up to 1-1/2” thick ceiling materials.
• Patent-pending 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.
• 16-gauge galvanized steel mounting bars with continuous 4” vertical adjustments are shipped pre-installed.
EXAMPLE: SQDLW 4AR LD
• Post-installation adjustment possible without the use of tools from above or
below ceiling.
• Secondary housing adjustment system for precise, final ceiling to flange
alignment.
ELECTRICAL SYSTEM
• Medium-based 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.
• Requires access above ceiling.
WARRANTY
• 1-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
Series Aperture/Trim color Finish Options
SQDLW
1
4AR Clear
4DSR Stepped
4PR Pewter
4WTR Wheat
2
4WR
4BR
4PDSR Pewter stepped
4WDSR
2
White
Black
Wheat stepped
3
(blank)
Semi-specular
LD Matte-diffuse
SF Single fuse
4
LRC
Provides compatibility with Lithonia Reloc® System. Access above ceiling required
CP Chicago plenum
TRW White painted flange
5
MFLG
Microflange trim
SQMT6Square metal trim
SDT Stepdown transformer
ORDERING NOTES
1. Maximum wattage: 75W PAR30S and PAR30L
2. Not available with matte-diffuse finish.
3. Available with WR and BR trim colors and SQMT metal trim option.
4. For compatible Reloc systems, refer to TECH-110.
5. Order ships as 3 components: housing, trim and microflange gypsum board.
6. Not available with stepped trims or MFLG option.
SQDLW-4
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. 01/23/13. Specifications subject to change without notice.

4” SQDLW
Square Lensed Wallwash
PAR Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
9-7/8
(25.0)
15-1/4
(38.9)
Ceiling opening: 5-1/8 (13.0)
Overlap trim: 5-3/4 (14.6)
Aperture opening: 4-3/8 (11.1)
12-7/8
(32.9)
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. 01/23/13. Specifications subject to change without notice.
SQDLW-4
PAGE 2 OF 3

4” SQDLW
Square Lensed Wallwash
PAR Lamp
PHOTOMETRY
TECHNICAL INFORMATION
Footcandle values are initial and tables are based on minimum of six units. For fixture-to-wall
distance other than those shown, use maximum of one-to-one spacing (distance between fixtures not
more than distance to wall) for best results.
room
157
Fixture/Lamp Candlepower Data Footcandle values
Plane angle
50W PAR20 FL lamp
570 rated lumens
Test No. LTL17918
75W PAR30S FL lamp
1130 rated lumens
Test No. LTL17920
Wall 22.545 67.590112.5 135 157.5
0
40
40
40
40
40
5
34
34
15
25
35
45
55
65
Vertical Angle
75
85
90
0
5
15
25
35
45
55
65
Vertical Angle
75
85
90
35
43
41
34
59
53
38
71
65
43
82
74
43
73
65
31
35
31
15
8
6
3
0
0
0
0
0
0
Plane angle
Wall 22.545 67.590 112.5135 157.5
96
96
96
89
102
129
156
167
127
57
14
0
0
96
89
90
92
97
85
76
117
86
57
140
89
45
147
82
37
112
58
24
51
27
10
12
5
0
0
0
0
40
37
39
43
29
32
45
22
16
25
21
10
19
12
2
1
0
9
8
5
5
3
5
2
1
1
1
1
0
0
0
0
0
0
96
96
94
99
78
90
43
55
23
22
17
11
10
6
4
2
1
1
1
1
0
0
40
40
46
48
63
80
59
96
27
78
13
38
6
18
2
6
1
1
0
0
0
0
96
96
102
105
114
143
102
173
55
134
27
73
13
32
3
10
1
2
0
0
0
0
ft. from ceiling33.54 33.5 433.
1
2
3
4
5
6
7
8
9
Illuminance on wall from 6 luminaires
ft. from ceiling33.54 33.5 433.
1
2
3
4
5
6
7
8
9
10
0
1
2
0
135
Illuminance on wall from 6 luminaires
mounted 3 ft.
3 ft. between
Wallwash Illuminance Study (fc)
mounted 3 ft.
3 ft. between
3
9
9
6
4
3
2
2
1
1
0
1
112
2
0
90
Wallwash Illuminance Study (fc)
Luminaire
from wall
luminaires
2
1
2
5
5
5
5
5
5
3
3
3
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
Luminaire
from wall
luminaires
2
8
9
7
4
3
2
2
1
1
mounted 3 ft.
4 ft. between
3
9
9
6
4
3
2
2
1
1
0
1
67
2
Luminaire
mounted 3 ft.
from wall
4 ft. between
luminaires
1
1
5
3
4
3
2
2
2
2
1
1
1
1
1
1
0
0
Luminaire
from wall
luminaires
2
1
8
5
8
6
5
5
3
3
2
2
2
2
1
1
1
1
1
1
22
0
45
1
5
4
2
2
1
1
1
0
2
8
8
5
3
2
2
1
1
1
wall
0
1
2
Luminaire
mounted 3 ft.
from wall
5 ft. between
luminaires
1
0
4
2
3
2
2
2
1
1
1
1
1
1
0
0
0
0
Luminaire
mounted 3 ft.
from wall
5 ft. between
luminaires
2
1
8
3
7
4
4
3
3
2
2
2
1
1
1
1
1
1
1
1
1
4
3
2
1
1
1
0
0
2
8
7
4
3
2
1
1
1
1
75W PAR30LN WFL lamp
1130 rated lumens
Test No. LTL17919
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.
SQDLW-4
PAGE 3 OF 3
Plane angle
Wall 22.54567.590112.5 135157.5
0
119
119
119
119
119
119
119
5
112
15
120
25
137
35
150
45
164
55
137
65
65
Vertical Angle
75
15
85
0
90
0
112
115
129
141
155
133
112
114
117
105
105
106
101
79
67
39
15
9
0
0
0
0
121
97
100
113
78
68
80
60
34
33
51
23
15
34
14
14
6
3
1
1
1
0
0
119
126
129
136
162
118
164
68
124
34
7
3
1
1
0
75
15
39
4
12
1
2
1
1
0
0
ft. from ceiling 33.5 433.54 33.5 4
1
2
3
4
5
6
7
8
9
10
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. 01/23/13. Specifications subject to change without notice.
Wallwash Illuminance Study (fc)
Illuminance on wall from 6 luminaires
Luminaire
mounted 3 ft.
from wall
3 ft. between
luminaires
3
2
10
9
9
9
7
7
5
5
3
3
2
2
2
2
1
1
1
1
Luminaire
mounted 3 ft.
from wall
4 ft. between
luminaires
3
3
1
10
9
7
5
3
2
2
1
1
3
9
5
9
8
6
8
5
5
5
3
3
3
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
Luminaire
mounted 3 ft.
from wall
5 ft. between
luminaires
3
1
8
3
7
4
4
4
3
3
2
2
1
1
1
1
1
1
1
1
3
8
7
4
3
2
1
1
1
1