Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Downlights
4” SQTH
Vertical Lamp
T4/T6 Lamp
FEATURES
OPTICAL SYSTEM
•
Self-flanged, matte-diffuse high impact polymer finishing trim with a durable,
proprietary vapor deposition finish.
•
Patented Bounding Ray™ Optical Principle design (U.S. Patent No. 5,800,050)
provides lamp before lamp image and smooth transition from top of the reflector
to bottom.
•
One piece trim eliminates mitered flange corners and inside corner gaps.
•
Interchangeable upper reflectors provide narrow, medium and wide distributions.
•
1/8” thick softening lens eliminates beam striations and provides required
protective shielding.
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.
•
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
•
Tool-less access door provides access to junction box and ballast through
the aperture.
•
G12 (T6), G8.5 (T4) or PGJ5 (T4T) base ceramic socket.
•
Pre-wired, electronic, 120 or 277V ballast module is standard.
•
3000 K lamp ships standard.
•
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
ORDERING INFORMATION
EXAMPLE: SQTH T6 70MHC 4AR N LD 120
Series
Lamp type
Wattage
Aperture/Trim
Distribution
Finish
SQTH
T4T1
T4
T62
20MHC
39MHC
70MHC
4AR
4PR
4WTR
4WR3
4BR3
4DSR
4PDSR
4WDSR
N
M
W
(blank)4
Clear
Pewter
Wheat
White
Black
Stepped
Pewter stepped
Wheat stepped
Narrow
Medium
Wide
LD
Semispecular
Mattediffuse
Voltage
Options
120
277
347
QRS5
QRSTD5
EC5
SF
LRC6
TRW
MFLG7
SQMT8
CP
L/LP
Quartz restrike system
QRS with time delay
Emergency circuit
Single fuse
Provides compatibility with Lithonia Reloc®
System. Access above ceiling required.
White flange
Microflange trim
Square metal trim
Chicago plenum approved
Less lamp
ORDERING NOTES
NOTES
1.
2.
3.
4.
Philips Mini MasterColor available in 20W, 39W & 120V only.
Available in 39W and 70W only.
Not available with matte-diffuse finish.
Available with WR and BR trim colors and SQMT metal trim option.
5.
6.
7.
8.
Only available with SQMT metal trim option.
For compatible Reloc systems, refer to TECH-110.
MFLG standard with high impact polymer trim; must specify SQMT option
for metal microflange trim. Order ships as 3 components: housing, trim and
microflange gypsum board.
Not available with stepped trims.
SQTH-4-Open
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
PAGE 1 OF 3
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 01/30/13. Specifications subject to change without notice.
4” SQTH
Vertical Lamp
T4/T6 Lamp
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
9-7/8
(25.0)
15-1/4
(38.9)
Ceiling opening:
Overlap trim:
Aperture opening:
5-1/8 (13.0)
5-3/4 (14.6)
4-3/8 (11.1)
17-3/16
(43.7)
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
SQTH-4-Open
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 01/30/13. Specifications subject to change without notice.
PAGE 2 OF 3
4“ SQTH
Vertical Lamp
T4/T6 Lamp
PHOTOMETRY
Distribution Curve
Distribution Data
SQTH T4 39MHC 4AR LD N
180°
90°
80°
1300
60°
2600
3900
5200
6500
40°
0°
0°
5°
15°
25°
35°
45°
55°
65°
75°
85°
90
Output Data
Coefficient of Utilization
Illuminance: Single Luminaire 30” Above Floor
(1) CMH39/TC/U/830 lamp, 0.4 s/mh, 3400 rated lumens, Test No. LTL18055
Ave
6532
5533
2137
412
47
12
8
6
0
0
0
Lumens
464
588
209
35
10
7
6
1
1
Zone
Lumens % Lamp
0° - 30°
1260
37.1
0° - 40°
1295
38.1
0° - 60°
1312
38.6
0° - 90°
1320
38.8
90° - 180°
0
0.0
0° - 180° 1320
38.8
pf
pc
pw
0
1
2
3
4
5
6
7
8
9
10
80%
50% 30% 10%
46 46 46
44 43 42
42 41 40
40 39 37
38 37 36
37 35 34
36 34 33
35 33 32
33 32 31
33 31 30
32 30 29
20%
70%
50% 30% 10%
45 45 45
43 42 42
41 40 39
39 38 37
38 37 35
37 35 34
35 34 33
34 33 32
33 32 31
32 31 30
31 30 29
50%
50% 30% 10%
43 43 43
41 41 40
40 39 38
38 37 37
37 36 35
36 35 34
35 34 33
34 33 32
33 32 31
32 31 30
31 30 29
Mount
height
8.0
10.0
12.0
14.0
16.0
50%beamangle 10%beamangle
49.0°
69.4°
fc at
fc at
Inital fc
at beam B eam beam B eam beam
center diameter edge diameter edge
7.6
36.6
5.0
7.3
73.1
10.4
19.7
6.8
3.9
39.3
13.2
12.3
8.7
2.5
24.5
15.9
8.4
10.5
1.7
16.7
18.7
6.1
12.3
1.2
12.1
20°
SQTH T4 39MHC 4AR LD M
180°
0°
90° 5°
80° 15°
25°
35°
45°
60°
55°
65°
75°
85°
90
40°
400
800
1200
1600
2000
0°
(1) CMH39/TC/7/830 lamp, 0.9 s/mh, 3400 rated lumens, Test No. LTL18056
Ave
2212
2218
2229
1404
378
46
5
2
4
2
1
Lumens
212
615
630
252
43
5
3
2
1
Zone Lumens % Lamp
0° - 30°
1458
42.9
0° - 40°
1709
50.3
0° - 60°
1757
51.7
0° - 90°
1763
51.9
90° - 180°
0
0.0
0° - 180° 1763
51.9
pf
pc
pw
0
1
2
3
4
5
6
7
8
9
10
80%
50% 30% 10%
62 62 62
58 57 55
54 52 51
51 48 47
48 45 43
45 42 40
43 40 38
40 38 36
38 35 33
36 34 32
35 32 30
20%
70%
50% 30% 10%
60 60 60
57 56 55
53 51 50
50 48 46
47 45 43
45 42 40
42 40 38
40 37 35
38 35 33
36 33 32
34 32 30
50%
50% 30% 10%
58 58 58
55 54 53
52 50 49
49 47 45
46 44 42
44 41 40
42 39 37
39 37 35
37 35 33
36 33 32
34 32 30
20°
SQTH T4 39MHC 4AR LD W
180°
0°
5°
80° 15°
25°
35°
45°
60°
55°
65°
75°
85°
90
40°
90°
400
800
1200
1600
2000
0°
(1) CMH39/TC/U/830 lamp, 0.9 s/mh, 3400 rated lumens, Test No. LTL18057
Ave
2079
2092
2136
1410
388
47
8
8
6
4
1
Lumens
201
592
630
259
45
7
8
6
3
Zone
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
Lumens % Lamp
1423
41.8
1681
49.4
1733
51.0
1750
51.5
0
0.0
1750
51.5
pf
pc
pw
0
1
2
3
4
5
6
7
8
9
10
80%
50% 30% 10%
61 61 61
57 56 55
53 51 50
50 48 46
47 44 42
44 42 40
42 39 37
40 37 35
38 35 33
36 33 31
34 31 29
20%
70%
50% 30% 10%
60 60 60
56 55 54
53 51 49
49 47 45
47 44 42
44 41 39
42 39 37
39 37 35
37 35 33
35 33 31
34 31 29
50%
50% 30% 10%
57 57 57
54 53 52
51 49 48
48 46 45
45 43 42
43 41 39
41 38 37
39 36 34
37 34 33
35 32 31
33 31 29
Mount
height
8.0
10.0
12.0
14.0
16.0
50%beamangle 10%beamangle
50.2°
70.3°
fc at
fc at
Inital fc
at beam B eam beam B eam beam
center diameter edge diameter edge
5.1
6.9
68.7
34.4
7.7
7.0
3.7
37.0
18.5
10.6
8.9
2.3
23.0
11.5
13.4
10.8
1.6
15.7
7.9
16.2
12.6
1.1
11.4
5.7
19.0
Mount
height
8.0
10.0
12.0
14.0
16.0
50%beam angle 10%beam angle
23.4°
45.9°
fc at
fc at
Inital fc
at beam B eam beam B eam beam
center diameter edge diameter edge
32.3
323.0
2.3
161.6
4.7
17.4
3.1
173.7
86.9
6.3
10.8
108.3
3.9
54.2
8.0
7.4
73.9
4.8
37.0
9.7
5.4
53.6
5.6
26.8
11.4
20°
SQDTH T4 70MHC 4AR LD N
180°
90°
80°
1900
60°
3800
5700
7600
40°
9500
0°
0°
5°
15°
25°
35°
45°
55°
65°
75°
85°
90
Ave
9770
8575
3709
851
100
17
5
2
2
1
0
(1) CMH70/TC/7/830 lamp, 0.4 s/mh, 6200 rated lumens, Test No. LTL18044
Lumens
731
1018
420
76
14
4
3
2
1
Zone
Lumens % Lamp
0° - 30°
2169
35.0
0° - 40°
2244
36.2
0° - 60°
2262
36.5
0° - 90°
2267
36.6
90° - 180°
0
0.0
0° - 180° 2267
36.6
pf
pc
pw
0
1
2
3
4
5
6
7
8
9
10
80%
50% 30% 10%
44 44 44
41 41 40
39 38 37
38 36 35
36 35 33
35 33 32
33 32 31
32 31 30
31 30 29
30 29 28
29 28 27
20%
70%
50% 30% 10%
43 43 43
40 40 39
39 38 37
37 36 35
36 34 33
34 33 32
33 32 31
32 31 30
31 30 29
30 29 28
29 28 27
50%
50% 30% 10%
41 41 41
39 39 38
38 37 36
36 35 34
35 34 33
34 33 32
33 31 30
32 30 29
31 29 28
30 29 28
29 28 27
20°
PHOTOMETRY NOTES
•
•
•
Mount
height
8.0
10.0
12.0
14.0
16.0
50%beam angle 10%beam angle
21.4°
43.2°
fc at
fc at
Inital fc
at beam B eam beam B eam beam
center diameter edge diameter edge
2.1
4.4
21.6
215.9
108.0
2.8
5.9
11.6
116.1
58.1
3.6
7.5
7.2
72.4
36.2
4.3
9.1
4.9
49.4
24.7
5.1
10.7
3.6
35.8
17.9
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.
SQTH-4-Open
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
PAGE 3 OF 3
© 2009-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 01/30/13. Specifications subject to change without notice.