STEL22-2
2' × 2' Stratus® Center Louver Recessed Indirect / 2-Lamp T5, T5HO, T8
Project Information
Project Name
Type
Catalog No.
Date
Construction
WCB Shown
Features
• Precision optical design produces high efficiency in a
high visual comfort architecturally styled direct/indirect
distribution
• Custom perforated metal basket is backed by a high
transmission lamp obscuring overlay
• Optimized coating process and unique paint formulation
provide exceptional reflectivity in a matte finish for a soft
visual image and balanced basket and reflector illumination.
• Completely recessed, provides a clean ceiling with uniform
illumination at mounting heights as low as 8 feet
• Available for use with T8, T5 or T5HO linear fluorescent lamps
• Optional acrylic dust guards pivot to close lamp
compartment against contaminants especially for schools,
medical facilities and public spaces
• Companion center basket (STE), side basket (STS) and
pendant (STP) models available
• Available with exclusive wiHUBB technology preinstalled
– Peer to peer, self-healing wireless mesh network
– Integrated control system for 0-10VDC or step dimming, or On/Off
Luminaire housing and end caps are die formed
code gauge cold rolled steel. The sturdy reflector is
stiffened with linear forms, profiled to a precision
curve. Choice of open straight blade baffle or
aluminum parabolic insert in perforated basket
with high transmission overlay for improved optical
efficiency plus lamp obscuration. Perforated panels,
white steel cross baffle and all reflective surfaces
are finished after fabrication with unique formula
high reflectivity matte white paint for soft, uniform
indirect illumination.
Cross baffle designs feature thermoplastic light
traps that snap into the housing at both ends of the
basket to prevent light leaks. Basket hinges down
for easy access to center wireway. Parabolic styles
feature spring steel louver retainer.
Installation
22
Model
2 Two
Ballasts
Example STEL22-224G-WCBMPO-EPU
MPO
Shielding
G Grid Lay-in
SM Surface Mount
MPO Metal Perf w/Overlay
Size
Lamp Type
Louver Type
14 2', T5: 14 Watt
17 2', T8: 17 Watt
24 2', T5HO: 24 Watt
High Efficiency (H)*
HLS Low Iridescent Specular
HMA Matte Anodized Low Iridescent
Semi-Specular
White Steel Cross Baffle
WCB White Cross Baffle
WPB White Perforated Cross Baffle
WCBO White Cross Baffle with Baffle Overlay
WPBO White Perforated Cross Baffle with
Baffle Overlay
*Not available in 3-Lamp TT cross section
Page 1/2 Rev. 03/20/13
–
Ceiling Type
22 2' × 2'
Not available with Surface Mount Ceiling Types
All luminaires are built to UL 1598 standards and
bear appropriate UL and cUL or CSA labels. Damp
location labeling is standard. Emergency-equipped
fixtures labeled UL 924.
Energy efficient, thermally protected, automatic
resetting, Class P, high power factor, sound rated A,
magnetic or electronic ballasts. CEE NEMA Premium
compliant.
–
No. of Lamps
STEL Stratus®
E-Series
Center Louver
Recessed
Indirect
1
2
–
Ceiling Compatibility
NEC-compliant T-Bar clips supplied with all grid trim
fixtures. See ceiling details on reverse. For type SG
ceilings order G trim. Fixture will be regressed 3/8”
from the face of the ceiling tee. For hard ceilings
order G trim and FK flange accessory. Assemble
then support FK accessory at the ceiling plane
using tie wires (by others). Contact your Columbia
representative for compatibility information
for specific ceiling types or for continuous row
applications in hard ceilings.
Certification
An access plate is furnished with each luminaire
for fast wiring access from the plenum. No need
to open fixture. Fixtures with two ballasts or
emergency-equipped fixtures may require using
end wireway access.
Ordering Information
STEL
Electrical
Standard class “P”, thermally protected,
autoresetting HPF ballast, sound rated A. CEE NEMA
Premium compliant. All ballast leads extend a
minimum of 6" through access location. NEC/CECcompliant ballast disconnect is standard.
–
Voltage
U 120V-277V
347 347V
Ballast
Options
GLR
GMF
EL
DG
NYC
NYCU
WIH
Fast Blow Fuse
Slow Blow Fuse
Emergency Battery Pack
Dust Guard
NYC Compliant
NYC Compliant, Union Label
wiHUBB Enabled 1
E Electronic T8, Instant Start
ED Electronic Dimming T8 and T5
EP Electronic T5, T5HO, or T8,
Programmed Start
Accessories
(Order Separately)
FK22 2' × 2' Single Flange Kit
(Shipped separately)
RECESSED ARCHITECTURAL / STEL22-2
© 2013 Columbia Lighting, a division of Hubbell Lighting, Inc. Because of continuing product improvement programs, Columbia Lighting reserves the right to change
specifications without notice. 701 Millennium Blvd. Greenville, SC 29607 / Tel 864.678.1000 / Website www.columbialighting.com
STEL22-2
2' × 2' Stratus® Center Louver Recessed Indirect / 2-Lamp T5, T5HO, T8
Photometric Data
Test 3485 Test Date 9/17/10
Luminaire Data
Zonal Lumen Summary
Zone
STEL22-217G-WPBMPO-EU
Stratus, Recessed/Architectural
2 x 2 2-lamp with white perforated
cross baffle, perforated metal
sides, and
opal overlay
ICN-3P32-SC
0.92
F17T8
1325
29
0º = 0 90º = 0
0º = 1.20 90º = 1.55
Length: 1.92
Width: 1.92
Height: 0.00
Ballast
Ballast Factor
Lamp
Lumens per Lamp
Watts
Shielding Angle
Spacing Criterion
Luminous Opening
in Feet
80
50 30
71 68
10
66
70
73
70
50 30
70 67
10
65
24.7
0-40
757
28.6
41.5
0-60
1431
54.0
78.5
0-90
1822
68.7
100.0
0-180
1822
68.8
100.0
165
150
Total Luminaire Efficiency
68.8%
Luminaire Efficacy Rating (LER)
IESNA RP-1-1993 Compliance
Comparative Yearly Lighting
Energy Cost per 1000 Lumens
55
Noncompliant
$4.36 based on
3000 hrs. and
$0.08 per KWH
AVG. LUMINANCE (Candela/Sq. M.)
135
120
300
50
67
10
63
2
68
62
57
53
66
61
56
52
58
54
51
47
3
62
54
48
44
60
53
48
43
51
46
43
40
4
56
48
41
37
55
47
41
36
45
40
36
33
5
51
42
36
31
50
42
36
31
40
35
31
29
6
47
38
32
27
46
37
31
27
36
31
27
25
7
44
34
28
24
43
34
28
24
33
27
24
22
8
41
31
25
21
40
31
25
21
30
25
21
19
9
38
29
23
19
37
28
23
19
27
22
19
17
10
36
26
21
17
35
26
21
17
25
20
17
15
RCR
17.0
600
0
0
57
Dimensional Data
449
180
50
30
65
RCR = Room Cavity Ratio
RC = Effective Ceiling Cavity Reflectance RW = Wall Reflectance
0-30
Indoor Candela Plot
Coefficients of Utilization (%)
RC
RW 70
1 75
Energy Data
Lumens % Lamp % Fixt.
105
90
75
300
Average Luminance Angle
Luminaire
0.0
22.5
45.0
67.5
90.0
0
1644
1644
1644
1644
1644
30
1534
1575
1706
1848
1935
40
1471
1551
1772
2024
2173
45
1429
1536
1813
2131
2308
2462
50
1395
1517
1853
2244
55
1308
1486
1873
2306
2510
60
1244
1442
1892
2207
2289
65
1168
1389
1824
1941
1900
70
1110
1323
1614
1596
1554
75
1038
1196
1309
1354
1376
80
958
1009
1110
1110
1127
85
804
838
938
905
905
60
600
0
0.0
15
30
Horiz 0-180
45.0
45
90.0
Ceiling Compatibility
Type G Ceiling
43/4"
End
24"
Recessed Section
Type G Ceiling Mounting
For lay-in installation in exposed grid ceilings. Maximum tee widths of 1" and maximum heights of
11/2" allowed.
5"
Type SG Side Ceiling
247/8"
Surface Section
End
Type SG Ceiling Mounting
Top View
Surface Mount K.O. Dimensions
A: 2" × 3" Access with (2) 7/8" Mount Supply Knockouts
For 9/16" slot grid type ceilings. Luminaire will be regressed 3/8" horizontal surface of the tee.
FK Flange Kit Ceiling
A A
3"
193/8"
247/8"
247/8"
For hard ceiling applications, fixtures must be ordered with a
flange kit that wires directly into the concealed ceiling opening
for a clean finished appearance. For row configurations contact
your local Columbia Representative.
Flange kit cut out dimension for single FK22 only: 243/8" × 243/8"
NOTE: All dimensions are in inches; dimensions and specifications are subject to change without notice. Please consult factory or check sample for verification.
Page 2/2 Rev. 03/20/13
RECESSED ARCHITECTURAL / STEL22-2
© 2013 Columbia Lighting, a division of Hubbell Lighting, Inc. Because of continuing product improvement programs, Columbia Lighting reserves the right to change
specifications without notice. 701 Millennium Blvd. Greenville, SC 29607 / Tel 864.678.1000 / Website www.columbialighting.com