Lightolier 1128T specifications Candlepower Summary, Zonal Lumens and Percentages

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Lytecaster® Recessed Downlighting  1128T

Page of 2

6 3/4" Aperture Low Profile Diffuser Reflector Trim

spacing ratio = 1.2

certified test reported no. 0157FR

computed by lsI program **test-lite**

recessed lytecaster downlight

6 5/16” dia. aperture, white reflector, opal diffuser with white splay

two 26w quad tube 2 pin lamps. lumen rating = 1800 lms.

across 45 Along

100

200

300

tested according to ies procedures. test distance exceeds five times the greatest luminous opening of luminaire.

CANDLEPOWER SUMMARY

angle

along

22.5

45

67.5 across lumens

0

293

293

293

293

293

 

5

290

294

292

286

287

28

10

287

290

288

282

283

 

15

280

283

282

276

277

79

20

270

273

272

267

268

 

25

255

258

257

252

253

118

30

237

240

239

234

236

 

35

216

218

218

214

215

135

40

193

196

195

192

195

 

45

170

173

172

168

169

132

50

144

147

147

143

144

 

55

118

121

121

117

118

107

60

93

96

95

91

91

 

65

69

72

69

69

66

70

70

48

51

51

51

46

 

75

29

32

40

38

30

38

80

19

19

31

32

20

 

85

11

12

25

26

13

21

90

6

7

22

23

7

 

ZONAL LUMENS AND PERCENTAGES

ZONE

LUMENS

% LAMP

% LUMINAIRE

0–30

224

6.24

30.82

0–40

360

10.01

49.45

0–60

599

16.65

82.23

0–90

728

20.24

100.00

40–90

368

10.23

50.53

60–90

129

3.60

17.77

90–180

0

0.00

0.00

0–180

728

20.24

100.00

** efficiency = 20.2% **

coefficients of utilization

% effective ceiling cavity reflectance

Room cavity ratio

 

 

80

 

 

70

 

 

50

 

 

30

 

 

0

 

0

 

 

 

 

 

 

%

wall reflectance

 

 

 

 

 

0

 

50

30

10

50

30

10

50

30

10

50

30

10

50

30

10

1

.21

.21

.20

.21

.20

.20

.20

.20

.19

.19

.19

.18

.19

.18

.18

.17

2

.19

.18

.17

.19

.18

.17

.18

.17

.16

.17

.17

.16

.17

.16

.16

.15

3

.17

.16

.14

.17

.15

.11

.16

.15

.14

.16

.15

.14

.15

.14

.14

.13

4

.15

.14

.13

.15

.14

.12

.15

.13

.12

.14

.13

.12

.14

.13

.12

.12

5

.14

.12

.11

.14

.12

.11

.13

.12

.11

.13

.12

.11

.13

.11

.11

.10

6

.12

.11

.10

.12

.11

.10

.12

.11

.09

.12

.10

.09

.11

.10

.09

.09

7

.11

.10

.08

.11

.10

.08

.11

.09

.08

.10

.09

.08

.10

.09

.08

.08

8

.10

.09

.07

.10

.09

.07

.09

.08

.07

.09

.07

.07

.09

.07

.06

.07

9

.09

.08

.07

.09

.08

.07

.09

.08

.07

.09

.07

.07

.09

.07

.06

.06

10

.09

.07

.06

.08

.07

.06

.08

.07

.06

.08

.07

.06

.08

.07

.06

.05

20% Floor cavity reflectance

Conversion factors: 18W Quad Tube, C.U. x 1.0 3W Twin Tube, C.U. x 1.2

Job Information

Type:

 

 

Lightolier a Genlyte company

www.lightolier.com

631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710 We reserve the right to change details of design, materials and finish.

© 2006 Genlyte Group LLC • F1106

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Contents Labels FeaturesOptions & Accessories Candlepower Summary Zonal Lumens and Percentages

1128T specifications

Lightolier 1128T is a versatile and innovative lighting fixture that exemplifies the intersection of functionality and aesthetic appeal. Designed primarily for commercial applications, it stands out due to its robust construction and sophisticated technology, making it an ideal choice for various environments, including offices, retail spaces, and galleries.

One of the main features of the Lightolier 1128T is its ability to provide consistent and efficient illumination. The fixture incorporates advanced LED technology that not only enhances energy efficiency but also ensures that the light output remains stable over extended periods. This LED integration supports a longer lifespan compared to traditional lighting solutions, reducing the need for frequent replacements and, consequently, lowering maintenance costs.

In terms of design, the Lightolier 1128T boasts a sleek and modern aesthetic that can seamlessly blend into any interior décor. Its minimalist profile allows it to complement various architectural styles while ensuring it does not overpower the space. The fixture is available in multiple finishes, offering versatility to cater to diverse design preferences.

Another important characteristic of the Lightolier 1128T is its adjustable features. The fixture often comes with options for customizable beam angles and dimming capabilities, allowing users to create the perfect ambiance for their specific needs. Its capability to adjust light intensity not only enhances visual comfort but also helps in energy conservation, making it an eco-friendly solution.

The installation process for the Lightolier 1128T is designed to be user-friendly, featuring a simple mounting system that can be adapted to different ceiling types. This ensures that regardless of the setting, installation can be accomplished rapidly without compromising safety or structural integrity.

Furthermore, the Lightolier 1128T is designed with thermal management in mind. Effective heat dissipation technologies are incorporated to prevent overheating, thus ensuring that the fixture operates efficiently and prolongs its lifespan. This is particularly crucial in commercial settings where lights often operate for extended hours.

In conclusion, the Lightolier 1128T combines advanced LED technology, sleek aesthetics, customizable features, and user-friendly installation, making it a top choice for commercial lighting solutions. With its durable design and energy efficiency, this fixture meets modern lighting demands while providing a touch of elegance to any space.