Luminaire Type:
Catalog Number
(autopopulated):
Gotham Architectural Downlighting
Square LED Downlights
6” Ecos™ Square
Open Reflector
Solid-State Lighting
Discontinued product with limited availability.
Please see the Evo family of products as an alternate.
FEATURES
OPTICAL SYSTEM
•
Self-flanged matte-diffuse high-impact polymer finishing trim with a durable,
proprietary, vapor deposition finish.
•
Patented Bounding Ray™ Optical Principle design (U.S. Patent No. 5,800,050)
provides lamp before lamp image and smooth transition from top of the reflector
to bottom.
MECHANICAL SYSTEM
•
Housing accommodates a maximum 1-1/2” ceiling thickness.
•
Light engine and driver are accessible from above or below ceiling and can be
upgraded to accommodate future technology improvements.
•
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. Three
combination 1/2”-3/4” and one 1/2” knockout for straight-through conduit runs.
Capacity: 8 (4in, 4out) No. 12 AWG conductors rated for 90°C.
•
Secondary housing adjustment system for precise, final ceiling to flange
alignment.
•
Patented adjustable aperture allows 1/4” adjustments in all directions and up
to 5° of rotation, allowing post-installation adjustments to ensure trim-to-trim
alignment.
ELECTRICAL SYSTEM
•
Solid state LED light engine available in 3500 K or 4100 K color temperatures.
•
Class P, thermally protected 0-10V solid-state dimming driver is standard.
•
Rated system life of 50,000 hours at 70% output.
•
Thermally activated insulation detector.
•
Emergency battery pack and SIMPLY5™ energy management system available.
LISTING
•
Fixtures are UL Listed for thru-branch wiring, non-IC recessed mounting and
damp locations. Listed and labeled to comply with Canadian standards. Tested
to IESNA LM-79 and LM-80 standards.
WARRANTY
•
5-year limited warranty. Complete warranty terms located at:
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
ORDERING INFORMATION
EXAMPLE: ECSS 35/12 6AR LD 120
Series
Color temperature
Nominal lumen values
Aperture/Trim color
Finish
ECSS
35/
41/
12
6AR
6PR
6WTR
6DSR
6WR
6BR
6PDSR
6WDSR
(blank)
LD
3500 K
4100 K
1200 lumens
Clear
Pewter
Wheat
Stepped
White
Black
Stepped pewter
Stepped wheat
1
Semi-specular
Matte-diffuse
Voltage
Driver
120
277
3472
(blank)
Options
SF
EL3
ELR3
ELRHL3
TRW
TRBL
Single fuse
Emergency battery pack with integral test switch
Emergency battery pack with remote test switch
High-lumen-output emergency battery pack with
remote test switch
White flange
Black flange
MFLG
SQMT4
RRL5
NEPP
Microflange™ trim
Square metal trim
RELOC®-ready luminaire. Provides compatibility with
Lithonia RELOC system. Access above ceiling required.
Interface for Sensor Switch® nLight® network with integral
power supply. Refer to TN-623-01.
NOTES
ORDERING NOTES
1.
2.
3.
Available with WR and BR trim colors and SQMT metal trim option.
Height of fixture increases 3”.
For dimensional changes, refer to TECH-140.
4.
5.
Not available with stepped trims or MFLG option.
For compatible RELOC systems, refer to TECH-110.
ECSS-6-OPEN
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
PAGE 1 OF 3
© 2009-2015 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 02/02/15. Specifications subject to change without notice.
0-10V dimming driver
6” Ecos™ Square
Open Reflector
Solid-State Lighting
DIMENSIONAL DATA
All dimensions are inches (centimeters) unless otherwise noted.
18-5/8
(47.3)
5-9/16
(14.1)
Aperture:
6 (15.2)
Ceiling opening: 6-5/8 (16.8)
Overlap trim:
7-3/16 (18.3)
19-3/4
(50.2)
DIMENSIONAL NOTES
•
Minimum of 9” required above fixture for non-accessible ceilings.
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
ECSS-6-OPEN
© 2009-2015 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 02/02/15. Specifications subject to change without notice.
PAGE 2 OF 3
6” Ecos™ Square
Open Reflector
Solid-State Lighting
PHOTOMETRY
Distribution Curve
Distribution Data
ECSS 35/12 6AR LD
180°
0°
90° 5°
80° 15°
25°
35°
45°
60°
55°
65°
75°
85°
90
40°
100
200
300
400
500
600
0°
Output Data
Coefficient of Utilization
Illuminance: Single Luminaire 30” Above Floor
39W LED, 1200 DELIVERED LUMENS, 1.3 S/MH, INPUT WATTS: 39, TEST NO. LTL18184
Ave Lumens
659
659
63
651
183
609
281
536
332
360
273
121
113
15
18
4
5
1
1
0
Zone
Lumens % Lamp
0° - 30°
527
41.5
0° - 40°
859
67.7
0° - 60°
1244
98.1
0° - 90°
1268
100.0
90° - 180°
0
0.0
0° - 180° 1268
100.0
pf
pc
pw
0
1
2
3
4
5
6
7
8
9
10
80%
50% 30% 10%
119 119 119
109 106 103
99 94 89
89 83 78
81 74 69
74 67 61
68 60 55
62 55 49
57 50 45
53 46 41
49 42 37
20%
70%
50% 30% 10%
116 116 116
106 104 101
97 92 88
88 82 77
80 73 68
73 66 61
67 60 55
61 54 49
56 49 45
52 45 41
48 42 37
50%
50% 30% 10%
111 111 111
102 100 98
93 90 86
85 80 76
78 72 68
71 65 60
65 59 54
60 53 49
55 49 44
51 45 40
47 41 37
20°
ECSS 35/12 6DSR LD
180°
0°
5°
80° 15°
25°
35°
45°
60°
55°
65°
75°
85°
90
40°
90°
100
200
300
400
5000°
39W LED, 1200 DELIVERED LUMENS, 1.3 S/MH, INPUT WATTS: 39, TEST NO. LTL18185
Ave Lumens
496
498
48
504
142
465
215
412
257
334
256
219
192
72
76
15
18
2
3
0
Zone
0° - 30°
0° - 40°
0° - 60°
0° - 90°
90° - 180°
0° - 180°
Lumens % Lamp
404
33.5
661
54.8
1109
92.0
1206
100.0
0
0.0
1206
100.0
pf
pc
pw
0
1
2
3
4
5
6
7
8
9
10
80%
50% 30% 10%
119 119 119
107 104 101
95 90 85
85 78 72
76 68 63
69 61 55
62 54 48
57 48 43
52 44 38
48 40 35
44 36 31
20%
70%
50% 30% 10%
116 116 116
105 102 99
94 88 84
84 77 72
75 68 62
68 60 54
61 53 48
56 48 43
51 43 38
47 40 34
43 36 31
50%
50% 30% 10%
111 111 111
101 98 96
90 86 82
81 75 71
73 66 61
66 59 54
60 53 47
54 47 42
50 43 38
46 39 34
42 36 31
20°
PHOTOMETRY NOTES
•
•
•
•
•
•
50% beam
10% beam
68.5°
99.2°
Inital FC
Mounting Center
Height
Beam Diameter FC Diameter FC
10.9 12.9
21.8
7.1
2.2
8.0
5.9
11.7
9.7
17.6
1.2
10.0
3.7
7.3
12.3
22.3
0.7
12.0
2.5
5.0
14.9
27.0
0.5
14.0
1.8
3.6
17.5
31.7
0.4
16.0
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-6-OPEN
GOTHAM ARCHITECTURAL DOWNLIGHTING | 1400 Lester Road Conyers GA 30012 | P 800.315.4982 | gothamlighting.com
PAGE 3 OF 3
© 2009-2015 Acuity Brands Lighting, Inc. All Rights Reserved. Rev. 02/02/15. Specifications subject to change without notice.
50% beam 10% beam
66.3°
107.2°
Inital FC
Mounting Center
Height Beam Diameter FC Diameter FC
16.4
7.2
8.2
14.9
1.6
8.0
8.8
9.8
4.4
20.3
0.9
10.0
5.5
12.4
2.7
25.8
0.6
12.0
3.8
15.0
1.9
31.2
0.4
14.0
2.7
17.6
1.4
36.6
0.3
16.0