
Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
HID Downlights
6” AH
Open Reflector
Metal Halide Lamp
FEAT URES 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). 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 construction; maximum 7/8” 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. Extended
porcelain socket for “open fixture” rated lamps.
• Prewired, encased-and-potted, 120/277V or 120/347V ballast tray module.
Module can be attached before or after mounting of mounting/plaster frame.
• Thermally activated insulation detector.
EXAMPLE: AH 100M 6AR N 120 TRW
Series Wattage/Lamp
AH
Metal halide
50M
70M
100M
Color-corrected metal halide
1
Aperture/Trim color Distribution Finish Lens type
2
6AR Clear
6PR Pewter
6WTR Wheat
3
6MB
Black baffle
3
6WB
White baffle
(blank) Wide
N
50MHC
70MHC
100MHC
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
5
Narrow
(blank) Semi-specular
LD Matte-diffuse
(blank) No lens
CGL Clear glass lens
T73 Tempered prismatic lens
Voltage
120
277
4
347
Options
WLP With lamp (shipped separately)
TRW White painted flange (standard with 6MB and 6WB)
TRBL Black painted flange
6
RRL
QRS
QRSTD
RELOC®-ready luminaire. Provides compatibility with Lithonia RELOC system. Access
above ceiling required.
7
Quartz restrike system
7
Quartz restrike system with time delay
8
EC
SF Single fuse
HEB
Emergency circuit
9
Electronic ballast
CP Chicago plenum
GSKT Foam gasketing
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
CTA4-8YK Ceiling thickness adapter (extends mounting frame to accommodate ceiling thickness up to 3-1/4” narrow distribution and 2-1/4 standard)
AH-6-OPEN
PAGE 1 OF 3
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/01/13. Specifications subject to change without notice.

6” AH
Overlap trim:7-1/2 (19.1)
Open Reflector
Metal Halide Lamp
DIMENSIONAL DATA ELECTRICAL NOTES
All dimensions are inches (centimeters) unless otherwise noted.
17-3/4
(45.1)
Height information
20-1/4
(51.4)
DIMENSIONAL NOTES
• Magnetic Ballast Dimensions Shown. HEB Dimensions: L 16 (40.6) x W 15-13/16 (40.2)
Distribution Height
AH 6AR 8-1/2 (21.6)
AH 6ARN 9-3/8 (23.9)
Aperture:6-1/4 (15.9)
Ceiling opening: 7-1/8 (18.1)
8-1/2
ENERGY
(Calculated in accordance eith NEMA standard LE-5A)
Annual*
Energy
LER.DOL
51
53
*
Comparative yearly lighting energy cost per 1000 lumens
ORDERING NOTES
1. Recommended for use with coated lamps.
2. Ceramic arc tube consistent-color lamp.
3. Not available with finishes.
4. Not available with HEB.
5. Required for use with enclosed rated lamps.
Cost
$4.73
$4.53
Lamps
(1) 70MHC
(1) 100MHC
Lamp
Lumens
5800
8700
Ballast
Factor
1.0
1.0
Input
Watts
78
110
6. For compatible RELOC systems, refer to TECH-110.
7. Uses maximum 100W DC-base quartz lamp.
8. DC socket with leads for connection to external emergency power source;
maximum 100W lamp.
9. MHC lamps only
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev.07/01/13. Specifications subject to change without notice.
AH-6-OPEN
PAGE 2 OF 3

6” AH
Open Reflector
Metal Halide Lamp
PHOTOMETRY
Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor
AH 70M 6AR
700
1400
2100
2800
3500
10° 20° 30°
AH 70MHC 6AR
90
500
o
90°
80°
70°
60°
50°
40°
From 0° cp. Lumens
o
15° 2412 682
25° 2236 1019
o
35° 1670 1038
45
45° 1002 761
55° 204 224
65° 45
75° 11
85° 10
90° 00
(1) MP70/C/U/MED LAMP, 4800 RATED LUMENS, 1.1 S/MH, TEST NO. LTL7832
From 0°
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
Ave Lumens
3820
3713
3228
2797
2465
2123
1663
1199
745
298
34
8
4
2
0
0
0
0
337
786
959
740
250
10
2
0
0
Zone Lumens% Lamp
0° - 30°
2082.5
2822.3
0° - 40°
3081.6
0° - 60°
3083.3
0° - 90°
90° - 180°
0° - 180°
3083.3
*Efficiency
0.0
pc 80%70% 50%
pw 70%50% 30% 10% 50% 30%10% 50%30% 10%
35.9
0
63
63
63
48.7
1
53.1
53.2
0.0
53.2
60
2
57
3
54
4
52
5
49
6
46
7
44
8
42
9
40
10
38
63
59
58
56
55
53
51
51
48
46
48
45
42
44
41
39
42
38
36
39
36
34
37
34
31
35
31
29
33
30
28
(1) MPC70/C/U/MED LAMP, 5800 RATED LUMENS, 1.3 S/MH, TEST NO. LTL7956
0° 23050
5° 2385 231
Zone Lumens %lamp
0°-30° 1932 33.3
0°-40° 2970 51.2
0°-60° 3955 68.2
0°-90° 3962 68.3
90°-180° 0 0.0
0°-180° 3962 68.3*
*Efficiency
ρc 80% 70%50%
ρw 50% 30%50% 30%50% 30%
1757373727069
2686567646562
3635962586057
4575356525551
5534852475147
6484448434743
7454044404339
8413741364036
9383438333733
62
62
62
59
59
58
57
55
54
52
50
50
48
46
47
44
42
44
41
39
41
38
36
39
36
33
36
33
31
34
31
29
32
29
27
59
56
55
54
52
50
49
49
47
45
46
43
42
43
40
38
40
38
36
38
35
33
36
33
31
34
31
29
32
29
27
Mounting
Height
8.0
10.0
12.0
14.0
16.0
Inital FC
Beam
Center
beam angle 63.8° beam angle
Initial fc fc at fc at
Mount at beam Beam beam Beam beam
height center diameter edge diameter edge
8' 76.2 6.9' 38.1 12.3' 7.6
10' 41.0 9.3' 20.5 16.8' 4.1
12' 25.511.8' 12.8 21.3'2.6
14' 17.4 14.3' 8.7 25.8' 1.7
16' 12.6 16.8' 6.3 30.3' 1.3
50% beam
43.0°
Diameter FC Diameter FC
4.3
126.3
5.9
67.9
7.5
42.3
28.9
9.1
10.6
21.0
50
10% beam
78.3°
63.1
34.0
21.2
14.4
10.5
12.
9.0
12.2
6.8
15.5
4.2
18.7
2.9
22.0
2.1
0%
AH 100MHC 6AR
From 0° cp. Lumens
o
90
800
2400
3200
4000
o
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.
AH-6-OPEN
PAGE 3 OF 3
0° 37310
5° 3786 362
15° 3670 1036
25° 3300 1508
o
35° 2436 1512
45
45° 1421 1082
55° 298 321
65° 69
75° 22
85° 00
90° 00
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
© 2008-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 07/01/13. Specifications subject to change without notice.
(1) MPC100/C/U/MED LAMP, 8700 RATED LUMENS, 1.2 S/MH, TEST NO. LTL7955
Zone Lumens %lamp
0°-30° 2906 33.4
0°-40° 4418 50.8
0°-60° 5821 66.9
0°-90° 5832 67.0
90°-180° 0 0.0
0°-180° 5832 67.0*
*Efficiency
ρc80% 70%50%
ρw 50% 30%50% 30% 50% 30%
1737272706968
2676466636461
3625861575956
4565256525451
5524751475046
6484347434642
7443944394339
8413640364036
9383338333733
10 35 31 35 31 35 31
Mount at beam Beambeam Beam beam
height center diameter edge diameter edge
8' 123.3 6.5' 61.7 11.9' 12.3
10' 66.3 8.8' 33.2 16.2' 6.6
12' 41.3 11.1' 20.7 20.6'4.1
14' 28.2 13.5' 14.1 24.9'2.8
16' 20.5 15.8' 10.2 29.2'2.0
50
beam angle 60.8° beam angle 94.6
0%
Initial fc fc at fc at