Sm24

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SM24

2' × 4' Surface Mount / 2, 3, or 4-Lamp T5, T5HO, T8
Project Information
Project Name

Type

Catalog No.

Date

Housing

Features

Heavy gauge steel. Die formed for extra rigidity.
Designed for surface mounting.

•	 Only 3½" deep. Modular dimensions
•	 Clean mitered corners, no overlap
•	 Heavy gauge flush steel shielding frame screw assembled for
easy diffuser replacement
•	 Optional flush or regressed aluminum shielding frames
available
•	 Rotary lock lampholders for positive lamp contact
•	 Heat sink embossments behind ballasts for cooler operation,
longer life
•	 Door frame and corners are sealed with an open cell foam
gasket

Ballasts

Energy efficient, thermally protected, automatic
resetting, Class P, high power factor, sound rated A,
magnetic or electronic ballasts. CEE NEMA Premium
compliant.
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.

Ordering Information
SM

24

Model

–

–

2 Two
3 Three
4 Four

Shielding

100% acrylic prismatic, extruded and rollembossed, diagonally oriented female prisms,
unless otherwise specified.
Certification

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.

–

–

Door

Voltage

FS Flush Steel
FA Flush Aluminum
RA Regressed Aluminum
For a complete list of lenses and louvers,
see options and accessories section.

U 120V-277V
347 347V

Size

Lamp Type

shielding

24 2' × 4'

28 4’, T5: 28 Watt
32 4', T8: 32, 30, 28 or 25 Watt
54 4', T5HO: 54 or 51 Watt

A12 Acrylic, Pattern 12
A12.125 Acrylic, Pattern 12.125
Nominal
A19 Acrylic, Pattern 19.156
Male Prism
PC1 Polystyrene Silver
Parabolic Louver
½" × ½" × ½"
PC2 Polystyrene Silver
Parabolic Louver
1½" × 1½" × 1"

Page 1/2 Rev. 02/03/11

All parts pre-painted with high gloss baked white
enamel, minimum reflectance 86%, applied over
iron phosphate pre-treatment for maximum
adhesion and rust resistance.

Example SM24-232-FSA12-EU

No. of Lamps

SM Surface
Mount

Finish

Options
GLR Fast Blow Fuse
EL Emergency Battery Pack
Note: 2' × 4' fixtures require four
stems for stem mounting.
For a complete list of options, see
options and accessories section.

Ballast
E
3E
4E
EP

Electronic T8, Instant Start
3-Lamp Electronic T8, Instant Start
4-Lamp Electronic T8, Instant Start
Electronic T5 or T8, Programmed
Start
3EP 3-Lamp Electronic T5HO or T8,
Programmed Start
4EP 4-Lamp Electronic T5HO (N/A 347V)
or T8, Programmed Start
For others available, see Ballast Options.

surface / SM24

© 2011 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 / Tech Support 864.678.1668 / Website www.columbialighting.com

SM24

2' × 4' Surface Mount / 2, 3, or 4-Lamp T5, T5HO, T8

Photometric Data

Test 10121 Test Date 1/8/03

Luminaire Data

Zonal Lumen Summary
Zone

SM24-232-FSA12
SM Surface Mounted
2 × 4 2-Lamp with A-12 Pattern
Acrylic Prismatic Lens
B232I120
0.96
FO32/41K
2900
60
N/A
0º = 1.25  90º = 1.42
Length: 3.83
Width: 1.82
Height: 0.00

Ballast
Ballast Factor
Lamp
Lumens per Lamp
Watts
Shielding Angle
Spacing Criterion
Luminous Opening
in Feet

0-30
0-40
0-60
0-90
0-180

Energy Data

Lumens % Lamp % Fixt.
1232
2058
3509
4131
4131

21.2
35.5
60.5
71.2
71.2

29.8
49.8
84.9
100.0
100.0

Indoor Candela Plot

RCR

70
78
71
65
60
55
51
48
44
41
39

80
50 30
75 72
66 61
58 53
52 46
47 41
42 36
38 32
35 29
32 26
30 24

10
69
58
49
42
36
32
28
25
22
20

70
76
70
64
59
54
50
46
43
40
38

70
50 30
73 71
65 60
57 52
51 46
46 40
41 36
38 32
34 29
32 26
29 24

10
68
57
48
41
36
31
28
25
22
20

50
70
62
55
49
44
40
37
34
31
29

50
30
68
59
51
45
39
35
31
28
26
24

0
0
61
52
44
38
33
29
26
23
21
19

10
66
56
47
41
35
31
28
25
22
20

71.2%

Luminaire Efficacy Rating (LER)
ANSI/IESNA RP-1-2004
Compliance
Comparative Yearly Lighting
Energy Cost per 1000 Lumens

66
Noncompliant
$3.64 based on
3000 hrs. and
$0.08 per KWH

AVG. LUMINANCE (Candela/Sq. M.)

Coefficients of Utilization (%)
RC
RW
1
2
3
4
5
6
7
8
9
10

Total Luminaire Efficiency

Average Luminance Angle

Luminaire

0
30
40
45
50
55
60
65
70
75
80
85

0.0

22.5

45.0

67.5

90.0

2353
2293
2163
2033
1826
1583
1362
1191
1079
1050
1174
1258

2353
2368
2300
2162
1956
1710
1455
1235
1079
1038
1112
1205

2353
2502
2510
2391
2189
1922
1600
1268
993
925
1094
1187

2353
2602
2645
2562
2342
2016
1646
1356
1196
1175
1236
1382

2353
2621
2689
2634
2434
2068
1655
1337
1165
1181
1325
1400

RCR = Room Cavity Ratio
RC = Effective Ceiling Cavity Reflectance RW = Wall Reflectance

Dimensional Data
2' × 4' 2-Lamp
24"
24"

8"
C
24"

2"

C

C

A
C

P

1"

C

87/16"

1¼"

24"

20"

A
C

4"

3½"

C

A

1"
A

4"

8"

C

2' × 4' 3-Lamp

3½"
141/16"

20"

24"

2' × 4' 4-Lamp

40"
48"

A - 7⁄8" Diameter Knockout
C - 5⁄8" Diameter Knockout
P - 1½" Diameter Knockout

Optional Regressed Aluminum Frame - RA

3½"
5½"
141/16"

Optional Flush Aluminum Frame - FA

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. 02/03/11

surface / SM24

© 2011 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 / Tech Support 864.678.1668 / Website www.columbialighting.com



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