construction/finish
• A quality low-profile troffer with specification
features for NEMA “G” grid, NEMA “NFG”
narrow face grid, NEMA “GR” grid regressed,
NEMA “NFSG” narrow faced slot grid, or
NEMA “F” flange ceiling types.
• 3" nominal housing depth.
• Smooth rolled edges on all four sides for easy
handling.
• Die-formed one piece housing includes stiffening
embosses and provides increased rigidity.
• Housing is multi-stage phosphate treated for
maximum corrosion resistance and finish coat is
high reflectance baked white enamel.
• Lamp pin openings in housing ends for easier
relamping when using straight lamps (can be
relamped without using openings).
• Integral baffling system to prevent light leaks.
• Integral wire hanger holes for independent wire
suspension.
• Embosses with holes provided in housing end for
screwing to T-bar if desired.
• Factory installed access plate in housing top
includes 7/8" hole with rolled edge and 7/8" K.O.
• Some models utilizing multiple ballasts will be
supplied with a top mounted ballast box, which will
increase the height of the luminaire.
• T-bar grid clips built into luminaire, no extra parts
required. Designed for use with standard grid
ceiling members, 1-1/2" maximum height.
• Carton includes integral carrying handle for easy
handling and tear tape for easy opening.
424-SR
electrical
• cULus listed for damp locations.
• Self-contained fluorescent emergency power packs
can be incorporated, listed for dry locations.
Static Recessed
enclosures
TG8 Troffer
• Full “C” channel door frames for improved lens
support and reduced shipping damage.
• Flat steel door frame features smooth rolled edges
inside and outside.
• Door frame uses T-hinges and can be hinged and
latched from either side.
• Opposable stainless steel spring loaded latches
are standard for easy operation and consistent
retention.
• Door frame has true mitered corners.
2x2 2 Lamp T8 U1-5/8" or U6
3 Lamp T8 U1-5/8"
2, 3, or 4 Lamp T5, T5HO, or T8
Specifier’s Reference
Project
Type
Model No.
Comments
Green Choice: 2TG8217R-01-UNV-1/2-EBHE-LPT835HL
2
T
Width
8
Ceiling Type
R
No. of Lamps
–
Revision
–
Door Finish
–
Options
BLANK – White 1/2 – One 2-lamp ballast
1/3 – One 3-lamp ballast
B – Black Door
1/21 – 2-lamp & 1-lamp ballasts
1/4 – One 4-lamp ballast
Lens
2/2 – Two 2-lamp ballasts
01 – Pattern 12 prismatic acrylic EB – Electronic ballast, <20% THD
12 – DB-12, .125" nominal
EB10I – T8 electronic ballast, instant start, <10% THD
19 – DB-19, .156" nominal
EB10R – Electronic ballast, program rapid start, <10% THD
21 – Pattern 12, .125" nominal EBHE – T8 electronic ballast, high efficiency, std. ballast factor
30 – 1/2"x1/2"x1/2" silver plastic EBLHE – T8 electronic ballast, high efficiency, low ballast factor
louver
EBHHE – T8 electronic ballast, high efficiency, high ballast factor
34 – 1-1/2"x1-1/2"x1" silver plastic
E1 – DEB-1 emerg. ballast, T8, 350-450 lumens, 120/277V
louver
E1CAN – DEB-1 emerg. ballast, Canada market, T8,
Family
Lamp Type/Wattage
Housing
52 – 3/4"x3/4"x1/2" silver plastic
350-450 lumens, 120/347V
T – TG8 Troffer 8 – Housing designed 14 – 14WT5 (22")
louver
E7 – DEB-7 emerg. ballast, T8, 600-700 lumens
around T8 lamps 17 – 17WT8 (24")
E5 – DEB-5 emerg. ballast, US or Canada market, T8,
24HO – 24WT5HO (22")
1100-1400 lumens, 120/277V
31U1 – 31WT8 1-5/8" (24")
E5CAN – DEB-5 emerg. ballast, Canada market, T8
(2 or 3 lamp only)
1100-1400 lumens, 120/347V
31U6 – 31WT8 6" (24")
E5ST – DEB-5ST emerg. ballast w/self test, T8,
(2 lamp only)
1100-1400 lumens
E7LP – DEB-7LP emerg. ballast T8/T5/T5HO,430-700 lumens
E6LP – DEB-6LP emerg. ballast, US or Canada market, T8/T5/
Voltage
T5HO, 750-1325 lumens, 120/277V
Door Frame
F1 – Installed flex, 3/8" diameter, 18 gauge, 3 wire, 6'
BLANK – Flat Steel
120
F2
–
Installed flex, 3/8" diameter, 18 gauge, 4 wire, 6'
277
GLR# – Fusing, fast blow (# = number of ballasts)
347
UNV – Universal LPT735 – Installed T8 lamps, 70+ CRI, 3500K
voltage, LPT835 – Installed lamps, 80+ CRI, 3500K
LPT835HL – Installed T8 hi lumen lamps, 80+ CRI, 3500K
120-277 volt
1W – 1-way gasketing, between lens & door frame
(not avail. w/RA door)
2W – 2-way gasketing, 1W + gasketing between
Accessories
door frame & housing
FKTG822 – Flange conversion kit 2x2
3W – 3-way gasketing, 2W + gasketing for field nstallation
FMA22 – 2'x2' “F” mounting frame for NEMA “F” mounting
between housing & ceiling
SI – Specular insert (reflector)
2 – 2'
G – Grid
F – Flange
424-SR 02/14 (not included)
2
3
4
R – Revised housing
423-SR
dimensions
2x2 TG8 Troffer 2, 3, or 4 Lamp CF TT5
ceiling configuration
2 Lamp 31U1
2
3" (76mm)
T
G
24" O.C. (610mm)
2 Lamp 31U6
F = Flange (NEMA F)
SIDE
SIDE
➞ 24"
(610 mm)
Access plate location
7/8" dia. hole
Grid clip
Access plate
90
Open with screwdriver
and bend to 90º and
over 90°
photometry
TG8 2x2 2 Lamp 31U6
Catalog No.
2TG8231U6R-01-1/2-EB
Test No.
27135
S/MH
1.3
Lamp Type
FB31U6
Lumens/Lamp
2800
Ballast Factor
0.88
Input Watts
55
Comparative yearly lighting energy cost per 1000
lumens – $3.58 based on 3000 hrs. and $.08 pwr
KWH.
The photometric results were obtained in the Philips
Day-Brite laboratory which is NVLAP accredited by the
National Institute of Standards and Technology.
TG8 2x2 3 Lamp 31U1
Catalog No.
2TG8331U1R-01-1/3-EB
Test No.
27150
S/MH
1.3
Lamp Type
FB31U1
Lumens/Lamp
2800
Ballast Factor
.88
Input Watts
78
Comparative yearly lighting energy cost per 1000
lumens – $3.43 based on 3000 hrs. and $.08 pwr
KWH.
The photometric results were obtained in the Philips
Day-Brite laboratory which is NVLAP accredited by the
National Institute of Standards and Technology.
R
25"
(635 mm)
(NEMA Type G)
Lay-in acoustical ceilings
using exposed grid
suspension, with tees for
luminaires on 24" x 48"
spacing.
7/8" dia. K.O.s
90
31U1
3" Max.
1" Min.
Luminaire end
Grid tees (by others)
2
G = Grid (NEMA G)
3 Lamp 31U1
1-1/2"
8
Ceiling type
(NEMA Type F)
Flange for acoustical ceilings using
concealed mechanical suspension.
Swing-jack mounting brackets:
adjustment 3" max. and 1" min. Refer
to sheet 801-CL for output information.
7/8" dia. K.O.
Efficiency – 74.7%
LER – 67
Candlepower
AngleEnd 45
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
Cross
165516551655
164916481654
162616321645
158616071629
153215661604
145615151568
135814431515
123713431425
109912151309
954 10341148
787836942
622651739
477475558
346324399
267216279
208173204
149141145
767772
Efficiency – 73.4%
AngleEnd 45
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
Light Distribution
Average Luminance
egrees Lumens % Lamp % Luminaire
D
0-30
130923.4 31.3
0-40
214338.3 51.2
0-60
354363.3 84.7
0-90
418274.7 100.0
AngleEnd 45°Cross
45 442147915320
55 355337194222
65 268325123093
75 263321902583
85 285728952707
Coefficients of Utilization
EFFECTIVE FLOOR CAVITY REFLECTANCE 20 PER (pfc=0.20)
pcc80
70
50
pw
705030
705030
5030
RCR
0
898989
868686
8282
181
7875
807773
7370
275
6864
726863
6561
368
6056
675955
5754
463
5548
615447
5246
557
4842
564741
4641
654
4538
534438
4236
750
4034
484034
3933
846
3630
463630
3529
944
3428
423428
3328
1040
3226
403026
2925
LER – 70
Candlepower
Cross
246424642464
244724572459
241424322441
235923862409
227223182364
215822342289
201221152196
184019632059
164517671894
142015341662
116912711375
914 10141088
678736823
498493583
383328401
306235278
230184200
120104106
TER – 60
TER – 62
Light Distribution
Average Luminance
egrees Lumens % Lamp % Luminaire
D
0-30
193323.0 31.4
0-40
315337.5 51.2
0-60
522562.2 84.8
0-90
616373.4 100.0
AngleEnd 45°Cross
45 658071087701
55 522157926215
65 386138224520
75 387429753519
85 451139103985
Coefficients of Utilization
EFFECTIVE FLOOR CAVITY REFLECTANCE 20 PER (pfc=0.20)
pcc80
70
50
pw
705030
705030
5030
RCR
0
868686
848484
8181
180
7773
787572
7169
273
6863
716761
6459
368
5955
665854
5653
461
5447
605346
5146
556
4741
564741
4640
653
4438
524236
4136
748
4034
473933
3833
846
3529
453529
3429
942
3428
413327
3227
1040
3025
393025
2925
Some luminaires use fluorescent or high intensity discharge (HID) lamps that
contain small amounts of mercury. Such lamps are labeled, “Contain Mercury”
and/or the symbol “HG”. Lamps that contain mercury must be disposed of in
accordance with local requirements. Information regarding lamp recycling and
disposal can be found at www.lamprecycle.org
© 2014 Koninklijke Philips N.V. All rights reserved.
Specifications are subject to change without notice.
www.philips.com/luminaires
424-SR 02/14 page 2 of 2
Philips Lighting
North America Corporation
200 Franklin Square Drive
Somerset, NJ 08873
Phone: 855-486-2216
Philips Lighting Company
281 Hillmount Road
Markham ON, Canada L6C 2S3
Phone: 800-668-9008