Gotham 10 A SpecSheet

Luminaire Type:
Catalog Number
(autopopulated):

Gotham Architectural Downlighting
Incandescent Downlights

10” A

Open Reflector

A21, A23 or PS25 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. Minimum flange matches reflector finish.

• Baffle: Semi-specular reflector. Microgroove baffle with white painted flange.

MECHANICAL SYSTEM

• 16-gauge galvanized steel mounting/plaster frame with friction support springs
to retain optical system. Accommodates up to 7/8” thick ceiling standard.

• Integral yoke with constant force spring used to retain baffle optical system and
accommodates up to 6” thick ceiling with no additional parts or modifications.

• 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 10AR

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 10AR Clear

10PR Pewter
10UBR Umber
10WTR Wheat
10GR Gold

2

10WR

White painted

2

10MB

Black baffle

2

10WB

White baffle

(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)
SF Single fuse
TRW White painted flange
TRBL Black painted flange
GSKT Foam gasketing

4

RRL

RELOC®-ready luminaire. Provides compatibility with Lithonia
RELOC system. Access above ceiling required.

ACCESSORIES order as separate catalog numbers (shipped separately)

SCA10 Sloped ceiling adapter

. Degree of slope must be specified (10D, 15D, 20D, 25D, 30D). Ex: SCA10 10D.

CTA10 YK Trim retention yoke with constant force spring to accommodate ceiling thickness up to 6” (ships standard with MB and WB trims)

ORDERING NOTES

1. Maximum wattage: 150W A21-IF lamp; 200W A23-IF or 300W PS25-IF lamp.

2. Not available with finishes.

3. For compatible RELOC systems, refer to TECH-110.

A-10-OPEN

PAGE 1 OF 3

GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com

© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.

10” A
Open Reflector

A21, A23 or PS25 Lamp

DIMENSIONAL DATA

All dimensions are inches (centimeters) unless otherwise noted.

17-1/4

(43.8)

16-15/16

(43.0)

Aperture: 9-3/4 (24.8)
Ceiling Opening: 10-3/8 (26.4)
Overlap Trim: 10-3/4 (27.3)

15-7/8

(40.3)

Lens Recess: 4-1/8 (10.5)

GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com

© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.

A-10-OPEN

PAGE 2 OF 3

10” A

1000

1500

2000

2500

90°

1200

1500

1800

0° 10° 20° 30°

1000

1500

2000

2500

e

Open Reflector

A21, A23 or PS25 Lamp

PHOTOMETRY

Distribution Curve Distribution Data Output Data Coefficient of Utilization Illuminance: Single Luminaire 30” Above Floor

A 10AR

500

A 10AR

300

600

900

0° 10° 20° 30°

90°

80°

70°

60°

50°

40°

80°

70°

60°

50°

40°

150W A21 LAMP, 2850 RATED LUMENS, 0.6 S/MH, TEST NO. LTL15133

From 0° AveLumens

0

2534

5

2361
1595
1088

665
113

12

6
3
1
0

211
442
498
407
114

11

6
3
1

15
25
35
45
55
65
75
85
90

Zone Lumens % Lamp

1150.5

0° - 30°

1557.8

0° - 40°

1683.1

0° - 60°

1692.7

0° - 90°

90° - 180°

0° - 180°

0.0

1692.7

*E ciency

*59.4

40.4

54.7

59.1

59.4

0.0

pf
pc

80% 70% 50%

pw

50% 30% 50% 30% 50% 30%

1

.66

.64

2

.61

.59

3

.57

.54

4

.53

.50

5

.50

.46

6

.47

.43

7

.44

.40

8

.41

.38

9

.39
.37

.36
.34

10

200W A23 LAMP, 3800 RATED LUMENS, 1.4 S/MH, TEST NO. LTL15132

From 0° AveLumens

0

1194

5
15
25
35
45
55
65
75
85
90

1282
1924
1740

978
324

23
10

4
1
0

133
533
795
606
232

24
10

4
1

Zone Lumens % Lamp

1461.0

0° - 30°

2067.1

0° - 40°

2323.4

0° - 60°

2338.4

0° - 90°

90° - 180°

0° - 180°

0.0

2338.4

*E ciency

*61.5

38.4

54.4

61.1

61.5

0.0

pf
pc

80%70% 50%

pw

50%30% 50%30% 50%30%

1

.68

.66

2

.63

.60

3

.58

.55

4

.54

.50

5

.50

.46

6

.46

.42

7

.43

.39

8

.40

.36

9

.38
.35

.34
.31

10

.66
.62
.57
.53
.49
.46
.43
.40
.37
.35

.64

.60
.56
.53
.49
.46
.44
.41
.39
.37

20%

20%

.65
.59
.54
.50
.46
.42
.39
.36
.34
.31

.63
.58
.53
.50
.46
.43
.40
.38
.36
.33

.64
.60
.55
.52
.48
.45
.42
.39
.37
.34

.62
.58
.55
.51
.48
.45
.43
.40
.38
.36

.63
.58
.53
.49
.45
.42
.38
.36
.33
.31

.61
.56
.52
.49
.45
.42
.40
.37
.35
.33

Mount
height

Mount
height

8
10
12
14
16

8
10
12
14
16

Inital fc

at be am

center

83.8

45.0

28.1

19.2

13.9

Inital fc
at be am

center

39.5

21.2

13.2

9.0

6.6

50% be am angle

34.0°

beam

Beam

diameter

3.4

4.6

5.8

7.0

8.2

50% be am angle

68.6°
fc at

beam

Beam

7.5

10.2

13.0

15.7

18.4

edge

19.7

10.6

6.6

4.5

3.3

diameter

10% be am angl

fc at

edge

diameter

41.9

22.5

14.0

9.6

7.0

10% be am angle

Beam

diameter

10.9

14.9

18.8

22.8

26.8

Beam

8.6

11.7

14.8

17.9

21.0

89.5°

75.7°

fc at

beam

edge

beam

3.9

2.1

1.3

0.9

0.7

fc at

edge

8.4

4.5

2.8

1.9

1.4

A-10-OPEN

PAGE 3 OF 3

A 10AR

500

0° 10° 20° 30°

90°

80°

70°

60°

50°

40°

300W PS25 LAMP, 6200 RATED LUMENS, 1.4 S/MH, TEST NO. LTL15131

From 0° AveLumens

0

2093

5

2206
2629
2872
1835

474

44
18

6
1
0

217

749
1298
1113

366

44
18

7
1

15
25
35
45
55
65
75
85
90

Zone Lumens % Lamp

2264.6

0° - 30°

3378.0

0° - 40°

3788.4

0° - 60°

3815.1

0° - 90°

90° - 180°

0° - 180°

0.0

3815.1

*E ciency

*61.5

36.5

54.5

61.1

61.5

0.0

pf
pc
pw

50% 30% 50% 30% 50% 30%

1

.68

2

.62

3

.58

4

.53

5

.49

6

.46

7

.43

8

.40

9

.37

10

.35

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

© 2007-2013 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 06/26/13. Specifications subject to change without notice.

.66
.60
.54
.50
.45
.42
.38
.36
.33
.31

.66

.61
.57
.53
.49
.45
.42
.39
.37
.34

20%

.65
.59
.54
.49
.45
.41
.38
.35
.33
.31

.64
.59
.55
.51
.48
.44
.41
.39
.36
.34

80% 70% 50%

.63
.57
.53
.48
.44
.41
.38
.35
.33
.30

Mount
height

8
10
12
14
16

Inital fc
at be am

center

69.2

37.2

23.2

15.8

11.5

50% be am angle

69.4°
fc at

beam

Beam

7.6

10.4

13.2

15.9

18.7

edge

34.6

18.6

11.6

7.9

5.7

diameter

10% be am angle

87.9°
fc at

beam

Beam

10.6

14.4

18.3

22.2

26.0

edge

6.9

3.7

2.3

1.6

1.1

diameter