STEL24-2-T8 - Columbia Lighting
STEL24-2-T8
2' × 4' Stratus® Center Louver Recessed Indirect / 2-Lamp T8 PROJECT INFORMATION Project Name
Type
Catalog No.
Date
CONSTRUCTION
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 by 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.
WCB Shown
FEATURES • Precision optical design produces high efficiency in a high visual comfort architecturally styled direct/indirect distribution • Custom perforated metal basket with 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 • Optional acrylic dust guard pivots to seal lamp compartment against contaminants especially for schools, medical facilities and public spaces • Companion center basket (STE), side basket (STS) and pendant (STP) models available
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
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. BALLASTS
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.
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.
ORDERING INFORMATION STEL
24
–
MODEL
2
EXAMPLE STEL24-232G-WCBMPO-EU 32
NO. OF LAMPS
STEL Stratus®
SIZE 24 2' × 4'
Page 1/2 Rev. 04/24/17
G Grid Lay-in SM Surface Mount
LAMP TYPE 32 4', T8: 32, 30, 28 or 25 Watt
–
– VOLTAGE
OPTIONS
U 120V-277V 347 347V
GLR Fast Blow Fuse GMF Slow Blow Fuse EL Emergency Battery Pack DG Dust Guard Clear Acrylic NYC NYC Compliant NYCU NYC Compliant, Union Label
SHIELDING
CEILING TYPE
2 Two
E-Series Center Louver Recessed Indirect
MPO
–
MPO Metal Perf w/ Overlay
LOUVER TYPE
BALLAST
High Efficiency (H) HLS Low Iridescent Specular HMA Matte Anodized Low Iridescent SemiSpecular 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
E Electronic T8, Instant Start ED Electronic Dimming T8 and T5 EP Electronic T5, T5HO, or T8, Programmed Start* *Contact factory for availability .
ACCESSORIES (ORDER SEPARATELY) FK24 2' × 4' Single Flange Kit (Shipped separately)
RECESSED ARCHITECTURAL / STEL24-2-T8
© 2017 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
STEL24-2-T8
2' × 4' Stratus® Center Louver Recessed Indirect / 2-Lamp T8
PHOTOMETRIC DATA
Test 3468 Test Date 7/23/10
LUMINAIRE DATA
ZONAL LUMEN SUMMARY Zone
STEL24-232G-HMAMPO-EU Stratus, Recessed/Architectural 2 x 4 2-lamp with semi-specular louver and perforated metal sides with opal overlays B232IUNVHP-B 1.00 F28T8 2725 49 0º = 0 90º = 0 0º = 1.25 90º = 1.22 Length: 3.92 Width: 1.92 Height: 0.00
Ballast Ballast Factor Lamp Lumens per Lamp Watts Shielding Angle Spacing Criterion Luminous Opening in Feet
Lumens % Lamp % Fixt.
0-30
1211
22.2
27.3
0-40
1982
36.4
44.7
0-60
3633
66.7
81.9
0-90
4435
81.4
100.0
0-180
4435
82.6
100.0
INDOOR CANDELA PLOT 180
165
150
RCR
80 50 30 85 82
10 79
70 87
70 50 30 83 80
10 78
Total Luminaire Efficiency
82.6%
Luminaire Efficacy Rating (LER) IESNA RP-1-1993 Compliance Comparative Yearly Lighting Energy Cost per 1000 Lumens
82 Noncompliant $2.93 based on 3000 hrs. and $0.08 per KWH
AVG. LUMINANCE (Candela/Sq. M.)
135
1600
120 800
COEFFICIENTS OF UTILIZATION (%) RC RW 70 1 89
ENERGY DATA
105
50 80
50 30 77
10 75
0 0 69
2
81
74
69
64
79
73
68
64
70
66
62
58
3
74
65
59
54
72
64
58
53
62
56
52
49
4
68
58
51
45
66
57
50
45
55
49
44
41
5
62
52
44
39
60
51
44
39
49
43
38
36
6
57
46
39
34
56
46
39
34
44
38
33
31 27
7
53
42
35
30
52
41
35
30
40
34
30
8
49
38
31
27
48
38
31
27
37
31
26
24
9
46
35
28
24
45
35
28
24
34
28
24
22
10
43
32
26
22
42
32
26
22
31
25
21
20
90
75 800 60
Average Luminance Angle
Luminaire
0.0
22.5
45.0
67.5
90.0
0
2281
2281
2281
2281
2281
30
2221
2172
2106
2120
2130
40
2119
2063
2119
2266
2293
45
2021
1962
2140
2364
2486
50
1889
1838
2140
2650
3010
55
1720
1733
2154
2915
3169
60
1473
1593
2251
2629
2643
65
1181
1364
1997
2007
1986
70
907
1142
1568
1723
1744
75
829
1089
1398
1105
1111
80
749
1104
889
898
857
85
689
706
722
738
722
1600 0 0.0
RCR = Room Cavity Ratio RC = Effective Ceiling Cavity Reflectance RW = Wall Reflectance
DIMENSIONAL DATA
15
30 Horiz 0-180
45.0
45 90.0
CEILING COMPATIBILITY Type G Side
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 Ceiling 247/8" Surface Section End Type SG Ceiling Mounting
Top View
For 9/16" slot grid type ceilings. Luminaire will be regressed 3/8" horizontal surface of the tee.
Surface Mount K.O. Dimensions A: 7/8 K.O. Mount B: 2" × 3" Access (Cover Removed) C: 2" × 3" Rectangular Knockout
3"
FK Flange Kit
A
247/8" 43/4" 437/16" 487/8"
3" B
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" × 483/8"
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. 04/24/17 RECESSED ARCHITECTURAL / STEL24-2-T8 © 2017 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
2' × 4' Stratus® Center Louver Recessed Indirect / 2-Lamp T8 PROJECT INFORMATION Project Name
Type
Catalog No.
Date
CONSTRUCTION
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 by 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.
WCB Shown
FEATURES • Precision optical design produces high efficiency in a high visual comfort architecturally styled direct/indirect distribution • Custom perforated metal basket with 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 • Optional acrylic dust guard pivots to seal lamp compartment against contaminants especially for schools, medical facilities and public spaces • Companion center basket (STE), side basket (STS) and pendant (STP) models available
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
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. BALLASTS
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.
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.
ORDERING INFORMATION STEL
24
–
MODEL
2
EXAMPLE STEL24-232G-WCBMPO-EU 32
NO. OF LAMPS
STEL Stratus®
SIZE 24 2' × 4'
Page 1/2 Rev. 04/24/17
G Grid Lay-in SM Surface Mount
LAMP TYPE 32 4', T8: 32, 30, 28 or 25 Watt
–
– VOLTAGE
OPTIONS
U 120V-277V 347 347V
GLR Fast Blow Fuse GMF Slow Blow Fuse EL Emergency Battery Pack DG Dust Guard Clear Acrylic NYC NYC Compliant NYCU NYC Compliant, Union Label
SHIELDING
CEILING TYPE
2 Two
E-Series Center Louver Recessed Indirect
MPO
–
MPO Metal Perf w/ Overlay
LOUVER TYPE
BALLAST
High Efficiency (H) HLS Low Iridescent Specular HMA Matte Anodized Low Iridescent SemiSpecular 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
E Electronic T8, Instant Start ED Electronic Dimming T8 and T5 EP Electronic T5, T5HO, or T8, Programmed Start* *Contact factory for availability .
ACCESSORIES (ORDER SEPARATELY) FK24 2' × 4' Single Flange Kit (Shipped separately)
RECESSED ARCHITECTURAL / STEL24-2-T8
© 2017 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
STEL24-2-T8
2' × 4' Stratus® Center Louver Recessed Indirect / 2-Lamp T8
PHOTOMETRIC DATA
Test 3468 Test Date 7/23/10
LUMINAIRE DATA
ZONAL LUMEN SUMMARY Zone
STEL24-232G-HMAMPO-EU Stratus, Recessed/Architectural 2 x 4 2-lamp with semi-specular louver and perforated metal sides with opal overlays B232IUNVHP-B 1.00 F28T8 2725 49 0º = 0 90º = 0 0º = 1.25 90º = 1.22 Length: 3.92 Width: 1.92 Height: 0.00
Ballast Ballast Factor Lamp Lumens per Lamp Watts Shielding Angle Spacing Criterion Luminous Opening in Feet
Lumens % Lamp % Fixt.
0-30
1211
22.2
27.3
0-40
1982
36.4
44.7
0-60
3633
66.7
81.9
0-90
4435
81.4
100.0
0-180
4435
82.6
100.0
INDOOR CANDELA PLOT 180
165
150
RCR
80 50 30 85 82
10 79
70 87
70 50 30 83 80
10 78
Total Luminaire Efficiency
82.6%
Luminaire Efficacy Rating (LER) IESNA RP-1-1993 Compliance Comparative Yearly Lighting Energy Cost per 1000 Lumens
82 Noncompliant $2.93 based on 3000 hrs. and $0.08 per KWH
AVG. LUMINANCE (Candela/Sq. M.)
135
1600
120 800
COEFFICIENTS OF UTILIZATION (%) RC RW 70 1 89
ENERGY DATA
105
50 80
50 30 77
10 75
0 0 69
2
81
74
69
64
79
73
68
64
70
66
62
58
3
74
65
59
54
72
64
58
53
62
56
52
49
4
68
58
51
45
66
57
50
45
55
49
44
41
5
62
52
44
39
60
51
44
39
49
43
38
36
6
57
46
39
34
56
46
39
34
44
38
33
31 27
7
53
42
35
30
52
41
35
30
40
34
30
8
49
38
31
27
48
38
31
27
37
31
26
24
9
46
35
28
24
45
35
28
24
34
28
24
22
10
43
32
26
22
42
32
26
22
31
25
21
20
90
75 800 60
Average Luminance Angle
Luminaire
0.0
22.5
45.0
67.5
90.0
0
2281
2281
2281
2281
2281
30
2221
2172
2106
2120
2130
40
2119
2063
2119
2266
2293
45
2021
1962
2140
2364
2486
50
1889
1838
2140
2650
3010
55
1720
1733
2154
2915
3169
60
1473
1593
2251
2629
2643
65
1181
1364
1997
2007
1986
70
907
1142
1568
1723
1744
75
829
1089
1398
1105
1111
80
749
1104
889
898
857
85
689
706
722
738
722
1600 0 0.0
RCR = Room Cavity Ratio RC = Effective Ceiling Cavity Reflectance RW = Wall Reflectance
DIMENSIONAL DATA
15
30 Horiz 0-180
45.0
45 90.0
CEILING COMPATIBILITY Type G Side
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 Ceiling 247/8" Surface Section End Type SG Ceiling Mounting
Top View
For 9/16" slot grid type ceilings. Luminaire will be regressed 3/8" horizontal surface of the tee.
Surface Mount K.O. Dimensions A: 7/8 K.O. Mount B: 2" × 3" Access (Cover Removed) C: 2" × 3" Rectangular Knockout
3"
FK Flange Kit
A
247/8" 43/4" 437/16" 487/8"
3" B
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" × 483/8"
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. 04/24/17 RECESSED ARCHITECTURAL / STEL24-2-T8 © 2017 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
