Catalog
Number
Notes
FEATURES & SPECIFICATIONS
Type
INTENDED USE — Specification premium air-handling luminaires offer general illumination for recessed
applications. Certain airborne contaminants can diminish integrity of acrylic. Click here for Acrylic
Environmental Compatibility table for suitable uses.
CONSTRUCTION — Black reveal provides floating door appearance, conceals optional air-supply slots.
Optional air flow controls available.
Standard door is fully gasketed flush or regressed aluminum with mitered appearance – completely frames
shielding. Spring-loaded latches and sturdy T-hinges are standard. Door latches and hinges from either side.
Urethane foam gasket eliminates light leaks between door frame and housing.
Overlapping flange and modular ceiling trims factory-installed with standard swing-gate hangers.
Housing formed from cold-rolled steel. Acrylic shielding material 100% UV stabilized. No asbestos is used
in this product.
Finish: Five‑stage iron‑phosphate pretreatment ensures superior paint adhesion and rust resistance. Painted
parts finished with high‑gloss, baked white enamel.
ELECTRICAL — Thermally-protected, resetting, Class P, HPF, non‑PCB, UL Listed, CSA certified ballast is
standard. Energy saving and electronic ballasts are sound rated A.
Luminaire is suitable for damp locations. AWM, TFN or THHN wire used throughout, rated for required
temperatures.
LISTINGS — UL Listed (standard). Optional: Canada CSA or C-UL. Mexico NOM.
WARRANTY — 1-year limited warranty. Complete warranty terms located at
www.acuitybrands.com/CustomerResources/Terms_and_conditions.aspx
NOTE: Specifications subject to change without notice.
Specification Premium Air-Handling Troffer
SP AIR 20"X4'
2, 3 or 4 Lamps
Specifications
4-15/16
(12.5)
Length: 48 (121.9)
Width: 20 (50.8)
20
(50.8)
Depth: 4-15/16 (12.5)
Weight: 24 lbs (10.8 kg)
All dimensions are inches (centimeters) unless otherwise specified.
ORDERING INFORMATION
Example: 20SP G B 3 32 FW A12125 MVOLT 1/3 GEB10IS
For shortest lead times, configure products using bolded options.
20SP
Series
Trim type
20SP 20"
wide
G
F
Grid
Overlapping
flanged1
ST Screw slot
Number
of lamps
Air function
A
Air supply/return
(slots in side trim)
H Heat removal
(through lamp cavity,
dampers available)
D Combination A and H
B Static (no air function,
matching appearance)
2
3
4
Not
included.
Lamp type
32
28T5
54T5HO
Door frame
32W T8
(48")
28W T5
(46")
54W T5HO
(46")
FN
FM
FW
RN
RM
RW
Diffuser type
Flush aluminum, natural
Flush aluminum, matte
black
Flush aluminum, white
Regressed aluminum,
natural
Regressed aluminum,
matte black
Regressed aluminum,
white
A12
A12125
A19
A15
PC1S
PC2S
PC3S
#12 pattern acrylic
#12 pattern acrylic, .125" thick
#19 pattern acrylic, .156" thick
#15 pattern acrylic, .2" thick
1/2" x 1/2" x 1/2" plastic cube
louver, silver
1-1/2" x 1-1/2" x 1" plastic
cube louver, silver w/ flange
3/4" x 3/4" x 1/2" plastic cube
louver, silver
Voltage
120
277
3472
MVOLT
Others
available.
Options
1/4
1/3
GEB10IS
GEB10PS
GEB10RS
EL
One 4-lamp ballast
One 3-lamp ballast
Electronic ballast, <10% THD, instant start
Electronic ballast, <10% THD, programmed start
Electronic ballast, <10% THD, rapid start
Emergency battery pack (nominal 300 lumens)
GLR
GMF
PWS1836
LP_
HRD
APB
Internal fast-blow fuse3
Internal slow-blow fuse3
6' prewire, 3/8" dia., 18-gauge, 1 circuit
Lamped, specify lamp type and color
Heat-removal dampers (H and D models only)
Air-pattern control blades (A and D models only)
ACS
PAF
SSR
CSA
NOM
JP10
Air closure strips (A and D models only)
Painted after fabrication (white enamel)
Specular silver interior finish (95% reflective)
Listed and labeld to comply with Canadian Standards
Listed and labeld to comply with Mexican Standards
Job pack without individual cartons (10 per), G trim only
NOTES:
1 F trim options have 5-15/16" deep housing.
2 Not available with GEB10PS.
3 Must specify voltage 120V or 277V.
FLUORESCENT:SP-Air-20x4
SP
Air 20"x4' Air-Handling
MOUNTING DATA
DIMENSIONS
Row mounting of flanged units requires continuous row trim options CRE and CRM (see options).
All dimensions are inches (centimeters). Specifications subject to change without notice.
CL
3-1/16
(7.8)
4-15/16
(12.5)
4-5/16
(10.9)
20
(50.8)
CL
3-1/16
(7.8)
5-3/4
(14.6)
4-15/16
(12.5)
20
(50.8)
CL
3-1/16
(7.8)
NOTES:
1 Recommended rough-in dimensions for F trim fixtures 20"x48" (Tolerance is +1/4", -O”). Swing-gate range 1" to 3-1/4",
span 19" to 19-1/2".
3-1/16
(7.8)
20
(50.8)
4-15/16
(12.5)
2-11/16
(6.8)
PHOTOMETRICS
Calculated using the zonal cavity method in accordance with IESNA LM41 procedure. Floor reflectances are 20%. Lamp configurations shown are typical. Full photometric data on these and other configurations available
upon request.
20SP G B 2 40 FW A12
Report LTL3311 – Lumens per lamp = 3150
S/MH (along) 1.2 (across) 1.3
S/MH (along) 1.2 (across) 1.3
Coefficient of Utilization
Ceiling
80%
Wall 70% 50% 30%
70%
70% 50% 30%
50%
50% 30% 10%
0
1
2
3
4
5
6
7
8
9
10
77
71
66
61
56
52
48
44
41
38
35
73
66
59
53
48
43
39
36
32
29
26
79
73
67
62
58
53
49
45
42
39
36
79
70
63
56
51
45
41
37
33
30
27
79
68
59
52
45
40
36
32
28
25
22
77
69
62
55
50
45
40
37
33
30
27
77
67
58
51
45
40
35
31
28
25
22
73
64
56
50
44
39
35
31
28
24
22
73
63
54
47
41
35
31
28
24
21
19
Zonal Lumens Summary
Zone
0-30
0-40
0-60
0-90
90-180
0-180
Lumens %Lamp
1396
2244
3554
4157
0
4157
22.2
35.6
56.4
66.0
0.0
66.0
%Fixture
33.6
54.0
85.5
100.0
0.0
100.0
FLUORESCENT:
One Lithonia Way Conyers, GA 30012
Phone: 800-315-4963
Fax: 770-981-8191
www.lithonia.com
SP-Air-20x4
©1995-2012 Acuity Brands Lighting, Inc. All rights reserved. Rev. 06/20/12