St814

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ST814

1' × 4' Shallow Specification Troffer / 2-Lamp T5, T5HO, 2 or 3-Lamp T8
PROJECT INFORMATION
Project Name

Type

Catalog No.

Date

FLANGED FEATURES

FEATURES

Four adjustable Uni-Lugs for quick easy installation.
Optional plaster frames available for individual or
row mounting. Fixture end flanges are removable
for row mounting. Joiner cables are included.

• Optical performance designed for T8 and T5 lamp technology
• Mechanical light seal
• Mitered corners on door present a clean uninterrupted
appearance
• Spring loaded latches optional
• Rolled fixture edges reduce risk of injury during fixture
handling and installation
• Integral T-Bar clips quickly secure fixture to grid system
without the need for time consuming loose parts
• Snap-on ballast covers can be removed with lamps installed
• Corner hinging for easy insertion and removal of door frame
from either side
• Optional flush or regressed aluminum shielding frames
available with positive action or spring loaded latches
• Housing ends secured by unique corner interlock and screws

HOUSING

BALLASTS

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

ELECTRICAL

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.

Heavy gauge steel. Die formed for extra rigidity.
Designed for installation in standard inverted tee
grid ceilings.
Energy efficient, thermally protected, automatic
resetting, Class P, high power factor, sound rated
A, unless otherwise specified. CEE NEMA Premium
compliant.
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
ST8

14

SHIELDING

CERTIFICATION

EXAMPLE ST814-232G-FSA12-EU-F0735-C488

–

–

MODEL

NO. OF LAMPS

CEILING TYPE

ST8 Shallow
Specification
Troffer

1 One
2 Two
3 Three (T8 only)

G Inverted T-Bar (Std.)
F Overlap Flange (41/2"
overall fixture height)

SIZE

LAMP TYPE

14 1' × 4'

28 4', T5: 28 Watt
(2-Lamp only)
32 4', T8: 32, 30, 28 or
25 Watt
54 4', T5HO: 54 or 51 Watt
(2-Lamp Only)

Page 1/2 Rev. 03/15/17

FINISH

All metal parts are processed with a five phase
phosphate bonding treatment. Grid units are
pre-painted with high polyester baked white
enamel, 86% reflective. Flanged units are painted
after fabrication with a polyester powder coat,
reflectance of 90%.

–
SHIELDING

A12 Pattern 12 Acrylic 0.100"
Nominal (Standard)
A12.125 Pattern 12 Acrylic 0.125"
Nominal
A19 Pattern 19 Acrylic 0.15"
Male Prism
PC1
Silver Parabolic Louver
DOOR STYLE
1/2" × 1/2" × 1/2"
FS Flush Steel
PC2 Silver Parabolic Louver
FA Flush Aluminum
11/2" × 11/2" × 1"
RA Regressed
For more shielding see options and
Aluminum
accessories section.
PS Premium Steel

–
VOLTAGE
U 120V-277V
347 347V

BALLAST
E Electronic T8, Instant
Start
3E 3-Lamp Electronic T8,
Instant Start
EP Electronic T5 or T8,
Programmed Start
3EP 3-Lamp Electronic T8,
Programmed Start
For specific ballast vendor,
show as option.

OPTIONS
F830 T8, 78+CRI, 3000K Lamps,
Furnished/Installed
F835 T8, 78+CRI, 3500K Lamps,
Furnished/Installed
F841 T8, 78+CRI, 4100K Lamps,
Furnished/Installed
F0835 T8, 82CRI, 3500K Lamps,
Furnished/Installed
GLR Fast Blow Fuse
EL Emergency Battery Pack
PAF Paint After Fabrication
SLL Spring Loaded Latches
MS9 Master/Satellite Pair w/9'
Harness
C388 3/8" Flex with 3 No. 18 Wires
C488 3/8" Flex with 4 No. 18 Wires
NYC NYC Compliant
NYCU NYC Compliant, Union Label
CP Chicago Plenum
For a complete set of options, see
options and accessories section.

LENSED TROFFERS / ST814

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

ST814

1' × 4' Shallow Specification Troffer / 2-Lamp T5, T5HO, 2 or 3-Lamp T8

PHOTOMETRIC DATA

Ballast
Ballast Factor
Lamp
Lumens per
Lamp
Total Input
Watts
Mounting
Reflectance
Shielding
Angle
Spacing
Criterion

AVG. LUMINANCE (Candela/Sq. M.)

ST814-232G-FSA12
ST8 Lensed Troffer
1 × 4 2-Lamp with
A12 Prismatic Acrylic
Lens
REL-2P32-SC
0.88
F32T8
2900
59
Recessed
PCW 95.2
0º = 90 90º = 90
0° = 1.23

90° = 1.16

COEFFICIENTS OF UTILIZATION (%)

0.0 22.5 45.0 67.5 90.0
0
30
40
45
50
55
60
65
70
75
80
85

6843
6504
5896
5381
4840
4324
3732
3243
2968
2924
3194
3402

6843
6472
5782
5263
4667
3977
3300
2814
2580
2601
2732
3082

6843
6311
5446
4918
4417
3813
3083
2459
2101
2224
2651
2801

6843
6094
5222
4716
4194
3588
3027
2732
2682
2763
3033
3562

6843
6009
5191
4696
4189
3618
3139
2864
2794
3032
3374
3642

ZONAL LUMEN SUMMARY
Zone
0-30
0-40
0-60
0-90
0-180

25.8
40.8
64.0
74.9
74.9

RC
RW
1
2
3
4
5
6
7
8
9
10

70
82
76
70
64
59
55
51
48
45
42

80
50 30
79 76
70 65
62 57
56 50
50 44
46 40
42 36
38 32
35 30
33 27

10
73
61
52
45
40
35
31
28
26
23

70
80
74
68
63
58
54
50
47
44
41

70
50 30
77 75
69 64
61 56
55 49
50 44
45 39
41 35
38 32
35 29
32 27

10
72
61
52
45
39
35
31
28
26
23

50
74
66
59
53
48
44
40
37
34
32

50
30
72
62
55
48
43
39
35
32
29
27

INDOOR CANDELA PLOT
10
70
59
51
44
39
35
31
28
25
23

0
0
64
55
48
42
37
33
29
26
24
22

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

ENERGY DATA

Lumens % Lamp % Fixt.
1497
2368
3715
4346
4346

RCR

Luminaire

Average Luminance Angle

LUMINAIRE DATA

Test 13767 Test Date 12/27/04

34.5
54.5
85.5
100.0
100.0

Total Luminaire Efficiency

74.9%

Luminaire Efficacy Rating (LER)
IESNA RP-1-1993 Compliance
Comparative Yearly Lighting
Energy Cost per 1000 Lumens

65
Noncompliant
$3.69 based on 3000
hrs. and $0.08 per KWH

Test 13385 Test Date 4/14/03

LUMINAIRE DATA

85
N/A
0º = 1.25

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

8240
7964
7333
6729
6071
5434
4797
4215
3783
3604
3857
4104

8240
7984
7333
6749
6093
5428
4741
4115
3691
3549
3736
3983

8240
7992
7333
6764
6104
5422
4712
4082
3660
3549
3736
4104

8240
8154
7465
6858
6115
5288
4488
3883
3578
3658
3998
4586

8240
8166
7484
6888
6164
5355
4579
3991
3650
3658
3998
4425

90º = 1.28

ZONAL LUMEN SUMMARY
Zone
0-30
0-40
0-60
0-90
0-180

Lumens % Lamp % Fixt.
1838
2974
4821
5706
5706

21.1
34.2
55.4
65.6
65.6

32.2
52.1
84.5
100.0
100.0

RCR

Ballast
Ballast Factor
Lamp
Lumens per
Lamp
Total Input
Watts
Shielding
Angle
Spacing
Criterion

COEFFICIENTS OF UTILIZATION (%)

0.0 22.5 45.0 67.5 90.0

ST814-332G-FSA12
ST8 Lensed Troffer
1' × 4' 3-Lamp with
A12 Pattern Acrylic
Prismed Lens
REL3P32SC
0.88
F32T8
2900

Average Luminance Angle

Luminaire

AVG. LUMINANCE (Candela/Sq. M.)

RC
RW
1
2
3
4
5
6
7
8
9
10

70
72
66
60
56
51
48
44
41
39
36

80
50 30
69 66
61 57
54 49
48 43
43 38
39 34
36 30
33 27
30 25
28 23

10
64
53
45
39
34
30
26
24
22
20

70
70
64
59
54
50
46
43
40
38
36

70
50 30
67 65
60 56
53 48
47 42
43 37
39 33
35 30
32 27
30 25
28 23

10
63
53
45
38
34
30
26
24
21
20

50
65
57
51
46
41
38
34
32
29
27

50
30
63
54
47
41
37
33
30
27
25
23

INDOOR CANDELA PLOT
10
61
51
44
38
33
29
26
24
21
19

0
0
56
48
41
36
31
28
25
22
20
18

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

ENERGY DATA
Total Luminaire Efficiency

65.6%

Luminaire Efficacy Rating (LER)
IESNA RP-1-1993 Compliance
Comparative Yearly Lighting
Energy Cost per 1000 Lumens

59
Noncompliant
$4.07 based on 3000
hrs. and $0.08 per KWH

DIMENSIONAL DATA
2-LAMP

41/2"
48"
41/4"
A

K

113/4"
1' × 4' 2-Lamps Lay-in
35/32"

41/2"

A - 7/8" Diameter Knockout
K - 2" × 3" through hole for access plate

41/4"

123/4" × 495/8"
1' × 4' 2-Lamps Flanged

521/32"

NOTE:

All dimensions are in inches; dimensions and specifications are subject to
change without notice. Please consult factory or check sample for verification.

Flanged cut out dimensions for single unit only: 12" × 481/8"
Page 2/2 Rev. 03/15/17

LENSED TROFFERS / ST814

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