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4” ecos™ square open reflector – Gotham 4 Ecos Square SpecSheet User Manual

Page 3

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

© 2009-2014 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 04/08/14. Specifications subject to change without notice.

PAGE 3 OF 3

ECSS-4-OPEN

PH

OTO
M

ET

RY

Distribution Curve

Distribution Data

Output Data

Coefficient of Utilization

Illuminance: Single Luminaire 30” Above Floor

4” Ecos™ Square

Open Reflector

Solid-State Lighting

ECSS 35/09 4AR LD

34W LED, 900 DELIVERED LUMENS, 1.3 S/MH, INPUT WATTS: 34, TEST NO. LTL18182

20°

40°

60°

80°

90°

180°

100

200

300

400

pf

20%

pc

80%

70%

50%

pw

50% 30% 10%

50% 30% 10%

50% 30% 10%

119

109

98

89

81

74

68

62

57

53

49

119

106

93

83

74

67

60

55

50

46

42

119

103

89

78

69

61

55

49

45

41

37

116

106

97

88

80

73

67

61

56

52

48

116

104

92

82

73

66

60

54

49

45

42

116

101

88

77

68

61

55

49

45

41

37

111

102

93

85

78

71

65

60

55

51

48

111

100

89

80

72

65

59

53

49

45

41

111

98

86

76

68

60

54

49

44

40

37

0

1

2

3

4

5

6

7

8

9

10

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

380

613

887

907

0

907

41.9

67.6

97.8

100.0

0.0

100.0

Ave Lumens

15°

25°

35°

45°

55°

65°

75°

85°

90

481

480

472

438

376

248

94

12

3

1

0

46

133

202

233

189

85

14

4

1

15.9

8.6

5.3

3.6

2.6

6.9

9.5

12.0

14.5

17.0

7.9

4.3

2.7

1.8

1.3

12.9

17.6

22.3

26.9

31.6

1.6

0.9

0.5

0.4

0.3

50% beam

64.5°

10% beam

99.0°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0

PHOTOMETRY NOTES

Tested in accordance with IESNA LM-79-08. products (yellow highlighted text may vary by product):

Tested to current IES and NEMA standards under stabilized laboratory conditions.

Actual performance may differ as a result of end-user environment and application.

Actual wattage may differ by +/- 10% when operating between 120-277V +/- 10%.

CRI: 83 typical.

Consult factory or IES file for microgroove baffle, black cone or other photometric reports.

ECSS 35/09 4DSR LD

34W LED, 900 DELIVERED LUMENS, 1.3 S/MH, INPUT WATTS: 34, TEST NO. LTL18183

20°

40°

60°

80°

90°

180°

100

200

300

pf

20%

pc

80%

70%

50%

pw

50% 30% 10%

50% 30% 10%

50% 30% 10%

119

107

96

85

77

69

63

57

52

48

44

119

104

90

78

69

61

54

49

44

40

37

119

101

85

73

63

55

48

43

39

35

32

116

105

94

84

75

68

62

56

51

47

44

116

102

89

77

68

60

54

48

44

40

37

116

99

84

72

63

55

48

43

39

35

32

111

101

90

81

73

66

60

55

50

46

43

111

98

86

76

67

59

53

48

43

39

36

111

96

82

71

62

54

48

43

38

35

32

0

1

2

3

4

5

6

7

8

9

10

Zone

Lumens % Lamp

0° - 30°

0° - 40°

0° - 60°

0° - 90°

90° - 180°

0° - 180°

297

486

810

875

0

875

34.0

55.6

92.5

100.0

0.0

100.0

Ave Lumens

15°

25°

35°

45°

55°

65°

75°

85°

90

365

366

370

343

303

244

156

47

11

2

0

35

104

158

189

188

136

50

13

3

12.1

6.5

4.0

2.8

2.0

7.2

9.8

12.4

15.0

17.6

6.0

3.2

2.0

1.4

1.0

14.8

20.2

25.6

31.0

36.4

1.2

0.6

0.4

0.3

0.2

50% beam

66.3°

10% beam

106.9°

Mounting

Height

Inital FC

Center

Beam Diameter FC Diameter FC

8.0

10.0

12.0

14.0

16.0