
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Downlights
8” APRH
Open Reflector
PAR38 Lamp
FEAT URE S ORDERING INFORMATION
OPTICAL SYSTEM
• Self-flanged semi-specular or matte-diffuse reflector. Patented Bounding Ray™
Optical Principle design (U.S. Patent No. 5,800,050).
• Integrated snoot and optical system minimizes lamp striations normally associated with PAR lamps and creates visually pleasing scallops on vertical surfaces.
MECHANICAL SYSTEM
• 16-gauge galvanized steel construction; maximum 1-5/8” ceiling thickness.
• Telescopic mounting bars maximum of 32” and minimum of 15”, preinstalled,
4” vertical adjustment.
• Toolless post-installation adjustments.
• Junction box capacity: 8 (4 in, 4 out) 12AWG rated for 90°C.
ELECTRICAL SYSTEM
• Die-cast aluminum lampholder housing.
• Medium-base porcelain socket with nickel-plated screw shell.
• Pre-wired, encased-and-potted, 120/277V or 120/347V ballast tray module.
Module can be attached before or after installation of mounting/plaster frame.
• Metal halide: 150MHC is only available with HEB electronic ballast.
• Thermally activated insulation detector.
EXAMPLE: APRH P3870MHC 8AR 120 TRW
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
Series Lamp designation Aperture/Trim color Finish Lens type Voltage Ballast
APRH
Metal halide
P3870M 70W PAR38
P38100M 100W PAR38
Ceramic metal halide
8AR Clear
2
8BR
Black
8PR Pewter
8WTR Wheat
(blank) Semi-specular
LD Matte-diffuse
(blank) No lens
CGL Clear glass lens
T73 Tempered
prismatic lens
120
277
347
(blank) Electromagnetic
HEB
P3870MHC 70W PAR38
P38100MHC 100W PAR38
P38150MHC
1
150W PAR38
ballast
3
Electronic ballast
Options
TRW White painted flange
TRBL Black painted flange
4
RRL
RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC system. Access above ceiling required.
SF Single fuse
LPFL Flood lamp (shipped separately)
LPSP Spot lamp (shipped separately)
ACCESSORIES order as separate catalog numbers (shipped separately)
SCA8 Sloped ceiling adapter
APRH-8-PAR38
PAGE 1 OF 3
. Degree of slope must be specified (10D, 15D, 20D, 25D, 30D). Ex: SCA8 10D.
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/06/13. Specifications subject to change without notice.
LPWFL Wide flood lamp (shipped separately)
5
QRS
QRSTD
EC
Quartz restrike system
5
Quartz restrike system with time delay
6
Emergency circuit
GSKT Foam gasketing
CP Chicago plenum

8” APRH
Open Reflector
PAR38 Lamp
DIMENSIONAL DATA NOTES
All dimensions are inches (centimeters) unless otherwise noted.
17-3/4
(45.1)
11-1/8
(28.2)
Aperture: 7-7/8 (20.0)
Ceiling opening: 8-7/8 (22.5)
Overlap trim: 7-1/2 (19.1)
20-1/4
(51.4)
ORDERING NOTES
1. California Title 20 compliant. Only available with HEB ballast.
2. Not available with finishes.
3. 120V or 277V only. MHC only.
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
4. For compatible RELOC systems, refer to TECH-110.
5. Uses maximum 100W DC-base quartz lamp.
6. DC socket with leads for connection to external emergency power source;
maximum 100W lamp.
© 2006-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/06/13. Specifications subject to change without notice.
APRH-8-PAR38
PAGE 2 OF 3

8” APRH
Open Reflector
PAR38 Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
APRH 8AR
8400
16800
25200
33600
42000
10˚ 30˚
APRH 8AR
2500
5000
7500
10000
12500
10˚ 30˚
90˚
70˚
50˚
90˚
70˚
50˚
15˚
25˚
35˚
45˚
55˚
65˚
75˚
85˚
90˚
15˚
25˚
35˚
45˚
55˚
65˚
75˚
85˚
90˚
100W MCP100PAR38/U/830/SP LAMP, 0.3 SPACING CRITERIA, 6500 RATED LUMENS, TEST NO. LTL12862
cp Lumens
42333
0˚
33016
5˚
8430
1506
161
35
6
3
2
2
2650
2395
728
124
28
6
3
2
2
0
100W MP100PAR38/U/FL35/ECO LAMP, 0.5 SPACING CRITERIA, 5800 RATED LUMENS, TEST NO. LTL12899
cp Lumens
12966
0˚
11708
5˚
8048
1983
190
25
1
2
2
1
1063
2112
966
153
22
3
1
2
0
0
Zone Lumens % Lamp
0˚ - 30˚
0˚ - 40˚
0˚ - 60˚
0˚ - 90˚
90˚ - 180˚
0˚ - 180˚
5773
5896
5931
5938
0
5938
*91.4
*Total Eff iciency
Zone Lumens % Lamp
0˚ - 30˚
0˚ - 40˚
0˚ - 60˚
0˚ - 90˚
90˚ - 180˚
0˚ - 180˚
4141
4294
4319
4322
0
4322
*74.5
*Total Eff iciency
88.8
90.7
91.2
91.4
0.0
71.4
74.0
74.5
74.5
0.0
pf 20%
pc 80% 70% 50%
pw 50% 30% 50% 30% 50% 30%
102
102
106
106
109
109
10
0
100
102
102
104
1
99
2
95
3
92
4
89
5
87
6
84
7
82
8
80
9
78
97
92
89
86
83
81
79
77
75
98
94
91
88
86
84
82
80
78
95
91
88
85
83
80
78
76
75
98
95
92
89
87
85
83
81
79
77
97
93
90
87
84
82
80
78
76
74
pf 20%
pc 80% 70% 50%
pw 50% 30% 50% 30% 50% 30%
83
83
87
87
89
89
10
0
81
82
82
84
1
77
80
2
3
4
5
6
7
8
9
76
73
70
67
64
62
60
58
73
69
66
64
61
59
57
55
78
75
72
69
66
64
62
60
58
76
72
69
66
63
61
58
56
54
79
76
73
70
68
65
63
61
59
57
78
74
71
68
65
63
60
58
56
54
Mounting
Height
8
10
12
14
16
Mounting
Height
8
10
12
14
16
50% beam - 17.3˚ 10% beam - 36.2˚
Inital FC
Center
Beam Diameter FC Diameter FC
1399.4
Inital FC
Center
1.7
2.3
752.6
2.9
469.1
3.5
320.1
4.1
232.3
50% beam - 32.2˚ 10% beam - 51.2˚
BeamDiameterFCDiameterFC
3.2
428.6
4.3
230.5
5.5
143.7
6.6
98.0
7.8
71.1
699.9
376.4
234.6
160.1
116.2
214.2
115.2
71.8
49.0
35.6
3.6
4.9
6.2
7.5
8.8
5.3
7.2
9.1
11.0
12.9
139.9
75.2
46.9
32.0
23.2
42.8
23.0
14.4
9.8
7.1
PHOTOMETRY NOTES
• Tested to current IES and NEMA standards under stabilized laboratory condition.
• 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.
APRH-8-PAR38
PAGE 3 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2006-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/06/13. Specifications subject to change without notice.